patent drawings

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[Механическая система часов, приводимых в движение весами и маятником]

[Механическая система часов, приводимых в движение весами и маятником]

Illus. in: Theatrum machinarium, oder, Schau-Platz der Heb-Zeuge .... Leipzig : Zufinden bey dem Autore und Joh. Friedr. Gleditschens seel. Sohn : Gedruckt bey Christoph Zunkel, 1725. Published in: The traditi... Еще

[Types of drawbridges]. Book illustration from Library of Congress

[Types of drawbridges]. Book illustration from Library of Congress

Illus. in: Theatrum pontificiale, oder Schau-Platz der Brücken und Brücken-Baues .... Leipzig : Zufinden bey dem Autore und Joh. Friedr. Gleditschens seel. Sohn : Gedruckt bey Christoph Zunkel, 1726. Published... Еще

Patent drawing - Drawing of Hat to Prevent Drowning Public domain  image

Patent drawing - Drawing of Hat to Prevent Drowning Public domain ima...

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Patent drawing - Drawing of a Harp Guitar Public domain  image

Patent drawing - Drawing of a Harp Guitar Public domain image

Восстановленные патентные чертежи

Patent drawing - Drawing of Fan Moved by Mechanism Public domain  image

Patent drawing - Drawing of Fan Moved by Mechanism Public domain imag...

Восстановленные патентные чертежи

Patent drawing - Drawing of Submarine Explorer - Public domain book scan / drawing Public domain  image

Patent drawing - Drawing of Submarine Explorer - Public domain book sc...

Восстановленные патентные чертежи

Patent drawing - Drawing of Raft - Public domain book scan / drawing Public domain  image

Patent drawing - Drawing of Raft - Public domain book scan / drawing P...

Восстановленные патентные чертежи

Patent drawing - Drawing of Diving Dress Public domain  image

Patent drawing - Drawing of Diving Dress Public domain image

Восстановленные патентные чертежи

Patent drawing - Drawing of Fire Ladder Public domain  image

Patent drawing - Drawing of Fire Ladder Public domain image

Восстановленные патентные чертежи

Ritning av John Ericssons ångbrandspruta 1841.

Ritning av John Ericssons ångbrandspruta 1841.

Ritning av John Ericssons ångbrandspruta 1841. Public domain image of steam locomotive, train, railways, railroad, Sweden, historical photograph, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - [Design drawings for paddle wheel steamer] / lith. by N. Currier, 2 Spruce St. N.Y. Public domain  image

Patent Drawing of Engine - [Design drawings for paddle wheel steamer] ...

Дизайн боковых колес, показывающий механику колес, вид сбоку и поперечное сечение в 10 цифрах. Написано на recto: E.F. Horicks, New York City. Надпись на версо: с письмом Э.Ф. Олдрикса 30 марта 1942 года.

Patent drawing - for Jonathan Russell's Artificial Leg Public domain  image

Patent drawing - for Jonathan Russell's Artificial Leg Public domain ...

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Patent drawing - Drawing for a Life - Preserving Coffin Public domain  image

Patent drawing - Drawing for a Life - Preserving Coffin Public domain ...

Это печатный патентный рисунок спасающего жизнь гроба, изобретенного Кристианом Х. Айзенбрандтом. Файлы патентных дел

Patent drawing - Drawing of a Surveyor's Compass Public domain  image

Patent drawing - Drawing of a Surveyor's Compass Public domain image

This patent was designed by Samuel Kern. Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Design for Silver Forks Public domain  image

Patent drawing - Drawing of Design for Silver Forks Public domain ima...

This drawing was produced by Michael Gibney. Design Patent Drawings. Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Abraham Lincoln's  for Improved Manner of Buoying Vessels Public domain  image

Patent drawing - Abraham Lincoln's for Improved Manner of Buoying Ves...

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Patent drawing - Aérostat dirigeable système Vaussin Chardanne, brevet ... Nouveaux procédés de direction aérienne présenté à lʹInstitut de France, 1852 Public domain  image

Patent drawing - Aérostat dirigeable système Vaussin Chardanne, brevet...

Scaled design drawings for patent issued to Vaussin Chardanne in 1853 for an airship operated by means of six propellers and having accommodations for passengers on two levels. Airship proposal presented to the... Еще

Patent drawing - Appareil propre à la direction des aerostats plans annèxes à la demande d'un brevet pour une durée de 15 ans / / apprové à [...] Sourbieu & Pre. Pradel, 1852 septembre 9. Public domain  image

Patent drawing - Appareil propre à la direction des aerostats plans an...

Patent drawing submitted by Sourbieu & Pradel shows two views of an apparatus for steering or controlling the direction of balloons by hand-cranking a series of four rotating sails. (Source: A.G. Renstrom, LC s... Еще

Patent drawing - Aèrostat système Vaussin Chardanne (brevetè). Moyens simples et peu couteuse pour faire descendre et remonter à volanté un ballon dans lʹair sans perté de gaz et de lest, sans crainté l'accidents / / Villenueve St. Georges (Seine et Oise), le novembre 1853, Vaussin Chardanne. Public domain  image

Patent drawing - Aèrostat système Vaussin Chardanne (brevetè). Moyens ...

Patent design drawing for a safe system to regulate the altitude of a balloon while preserving gas and ballast. Includes 9 detail views, cross section, elevation, and identification key. Tissandier collection.

Patent drawing - Navigation aérienne. Solution dʹun grand problème par lʹemploi des voiles mobiles ... Systéme Augte. Lanteigne, menuisier mʹecen., ... / dessiné par lʹauteur. Public domain  image

Patent drawing - Navigation aérienne. Solution dʹun grand problème par...

Scaled design drawings for a patent show Aug. Lanteigne's system of aerial navigation, which used a continuous belt of sails to achieve propulsion. (Source: A.G. Renstrom, LC staff, 1981-82.) Tissandier collection.

Patent drawing - Aèrostat système Vaussin Chardanne (brevetè). moyens simples et peu couteuse pour faire descendre et remonter à volanté un ballon dans lʹair sans perté le gaz et le leste / / Villeneuve St. Georges (Seine et Oise), le dix octobre mil [...] cinquante trois, Vaussin-Chardanne. Public domain  image

Patent drawing - Aèrostat système Vaussin Chardanne (brevetè). moyens ...

Patent design drawing for a system to regulate the altitude of a balloon while preserving gas and ballast. Features a cross section, scaled detail drawings of component parts and an identification key. Tissand... Еще

Patent drawing - Drawing of Design for Spoons Public domain  image

Patent drawing - Drawing of Design for Spoons Public domain image

Design Patent Drawings. Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improvement in Breech Loading Firearms Public domain  image

Patent drawing - Drawing of Improvement in Breech Loading Firearms Pub...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improvement in Tents Public domain  image

Patent drawing - Drawing of Improvement in Tents Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improved Artificial Leg Public domain  image

Patent drawing - Drawing of Improved Artificial Leg Public domain ima...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Navire aérien dirigeable. Systême J.B. Métivier, force ascensionnelle 90,000 kos. Public domain  image

Patent drawing - Navire aérien dirigeable. Systême J.B. Métivier, forc...

Scaled design drawing for a patent submitted by J.B. Métivier shows two cross-sections for a fish shaped airship utilizing balloons, sails, bellows, and propellers to transport passengers. (Source: A.G. Renstro... Еще

Patent drawing - Le trans-ether, aéro-moteur de la navigation atmosphérique / F. Ducroz, breveté S.G. du Gt., 25, rue du Buloi ; Harent, lith. Public domain  image

Patent drawing - Le trans-ether, aéro-moteur de la navigation atmosphé...

Масштабный эскизный чертеж для патента парового мотора с приводом на колесные диски, разработанный Ф. Дюкрозом из Булони, 1859 год. (Источник: А.Г. Ренстром, LC staff, 1981-82).

Patent drawing - Drawing of a Life Boat Public domain  image

Patent drawing - Drawing of a Life Boat Public domain image

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Elisha Otis's Elevator Public domain  image

Patent drawing - Elisha Otis's Elevator Public domain image

Лифт Элиши Отиса был первым с предохранителем, предохраняющим от обрыва кабеля. Компания Отис станет ведущим производителем электрических лифтов. Рисунки патентов на полезные объекты

Patent drawing - Drawing of Improvements in Hoop Skirts Public domain  image

Patent drawing - Drawing of Improvements in Hoop Skirts Public domain ...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Military Cap Public domain  image

Patent drawing - Drawing of Military Cap Public domain image

Utility Patent Drawings Public domain photograph - hat, dress accessory, fashion, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - Drawing of Hand Grenade Public domain  image

Patent Drawing of Engine - Drawing of Hand Grenade Public domain imag...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improvement in Projectiles for Rifled Ordnance Public domain  image

Patent drawing - Drawing of Improvement in Projectiles for Rifled Ordn...

Utility Patent Drawings Public domain photograph of the US industrial development, construction, work of U.S. government, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Combined Military Cloak and Mattress Public domain  image

Patent drawing - Drawing of Combined Military Cloak and Mattress Publi...

Utility Patent Drawings Public domain photograph - United States military, propaganda free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improved Breech Loading Cannon Public domain  image

Patent drawing - Drawing of Improved Breech Loading Cannon Public doma...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Floating Battery Public domain  image

Patent drawing - Drawing of Floating Battery Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description Public domain photograph of a technical diagram, ... Еще

Patent drawing - Drawing of Improvements in Explosive Projectiles Public domain  image

Patent drawing - Drawing of Improvements in Explosive Projectiles Publ...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improvements in Breech-Loading Repeating Cannon Public domain  image

Patent drawing - Drawing of Improvements in Breech-Loading Repeating C...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - Drawing of Improvements in Breech Loading Fire Arms Public domain  image

Patent Drawing of Engine - Drawing of Improvements in Breech Loading F...

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description Public domain photograph of a technical diagram, ... Еще

Patent drawing - Drawing of an Improvement in School Globes Public domain  image

Patent drawing - Drawing of an Improvement in School Globes Public dom...

Этот патент был разработан Джоном Р. Агнью. Рисунки патентов на полезные объекты

Patent drawing - Drawing of Portable Tent and Abri Public domain  image

Patent drawing - Drawing of Portable Tent and Abri Public domain imag...

Utility Patent Drawings Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improved Artificial Leg Public domain  image

Patent drawing - Drawing of Improved Artificial Leg Public domain ima...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of an Improvement in School Globes Public domain  image

Patent drawing - Drawing of an Improvement in School Globes Public dom...

Этот патент был разработан Джоном Р. Агнью. Рисунки патентов на полезные объекты

Patent drawing - Drawing of Improved Knapsack, Litter and Tent Combined Public domain  image

Patent drawing - Drawing of Improved Knapsack, Litter and Tent Combine...

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Patent drawing - Drawing of Improvements in Magneto-electric Telegraphs Public domain  image

Patent drawing - Drawing of Improvements in Magneto-electric Telegraph...

Utility Patent Drawings Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Soldiers Filtering Drinking Cup Public domain  image

Patent drawing - Drawing of Soldiers Filtering Drinking Cup Public dom...

Utility Patent Drawings Public domain reproduction of a teapot, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improved Hand Grenade Public domain  image

Patent drawing - Drawing of Improved Hand Grenade Public domain image

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improvement in Magic Lanterns Public domain  image

Patent drawing - Drawing of Improvement in Magic Lanterns Public domai...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Submarine Telescope Public domain  image

Patent drawing - Drawing of Submarine Telescope Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Improved Ambulance Carriage Public domain  image

Patent drawing - Drawing of Improved Ambulance Carriage Public domain ...

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Crutch Public domain  image

Patent drawing - Drawing of Crutch Public domain image

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Time Registering Barometer and Thermometer Public domain  image

Patent drawing - Drawing of Time Registering Barometer and Thermometer...

Этот патент был разработан Гарретом В. Муни. Рисунки патентов на полезные объекты

Patent drawing - for John Deere's Improvement in Plows Public domain  image

Patent drawing - for John Deere's Improvement in Plows Public domain ...

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Patent drawing - Drawing of Artificial Leg Public domain  image

Patent drawing - Drawing of Artificial Leg Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - for Pierre Lallement's Improvement in Velocipedes Public domain  image

Patent drawing - for Pierre Lallement's Improvement in Velocipedes Pub...

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Patent drawing - Drawing of Marine Compasses Public domain  image

Patent drawing - Drawing of Marine Compasses Public domain image

This patent was designed by Samuel Custer. Utility Patent Drawings Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - P... Еще

Patent drawing - Drawing of Improvement in Skates Public domain  image

Patent drawing - Drawing of Improvement in Skates Public domain image

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Patent drawing - Drawing of Improved Boot Public domain  image

Patent drawing - Drawing of Improved Boot Public domain image

Utility Patent Drawings Public domain photograph of the US industrial development, construction, work of U.S. government, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Toy Horse Public domain  image

Patent drawing - Drawing of Toy Horse Public domain image

Utility Patent Drawings Picryl description: Public domain artwork of horse, equestrian horse riding, free to use, no copyright restrictions image.

Patent drawing - Drawing of Improved Boot Public domain  image

Patent drawing - Drawing of Improved Boot Public domain image

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Patent drawing - Drawing of a Terrestrial Globe Public domain  image

Patent drawing - Drawing of a Terrestrial Globe Public domain image

Этот патент был разработан Г. П. Кларком. Рисунки патентов на полезные объекты

Patent drawing - Drawing of a Chair Public domain  image

Patent drawing - Drawing of a Chair Public domain image

Этот патент был разработан Фрэнсисом Т. Коутсом. Чертежи патентов на полезные объекты

Patent drawing - Drawing of Suspender Fastening Public domain  image

Patent drawing - Drawing of Suspender Fastening Public domain image

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Patent Drawing of Engine - Drawing for a Phonograph Public domain  image

Patent Drawing of Engine - Drawing for a Phonograph Public domain ima...

Это печатный патентный рисунок для фонографа, изобретенного Томасом А. Эдисоном. Патенты, выданные Томасу А. Эдисону

Patent drawing - for R. S. Jennings Toy "Little Wonder" Public domain  image

Patent drawing - for R. S. Jennings Toy "Little Wonder" Public domain ...

Design Patent Drawings. Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - Drawing of a Travelers Trunk Public domain  image

Patent Drawing of Engine - Drawing of a Travelers Trunk Public domain ...

Этот патент был разработан Джоном Н. Вундерлихом. Чертежи патентов на полезные объекты

Patent drawing - Drawing of an Inflatable Globe Public domain  image

Patent drawing - Drawing of an Inflatable Globe Public domain image

This patent was designed by Gorham Dabbot. Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of an Improved Method of Constructing Vanes Public domain  image

Patent drawing - Drawing of an Improved Method of Constructing Vanes P...

Этот патент был разработан LW Cushing и Stillman White. Чертежи патентов на полезные объекты

Patent drawing - Drawing of an Improved Traveling Trunk Public domain  image

Patent drawing - Drawing of an Improved Traveling Trunk Public domain ...

Этот патент был разработан Гиртом де Бреттоном. Чертежи патентов на полезные объекты

Patent drawing - Drawing of Velocipede Public domain  image

Patent drawing - Drawing of Velocipede Public domain image

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Patent drawing - Drawing of Flying Comet Toy Public domain  image

Patent drawing - Drawing of Flying Comet Toy Public domain image

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Patent drawing - for a Flying Machine Public domain  image

Patent drawing - for a Flying Machine Public domain image

Это печатный патентный чертеж летательного аппарата, изобретенного У. Ф. Куимби. Файлы патентных дел

Patent drawing - Drawing of Aquatic Toy Public domain  image

Patent drawing - Drawing of Aquatic Toy Public domain image

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Patent drawing - Leather Waist Belt - . Public domain  image

Patent drawing - Leather Waist Belt - . Public domain image

Leather Waist Belt Public domain photograph of leather object, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - Drawing of an Improvement in Compasses Public domain  image

Patent Drawing of Engine - Drawing of an Improvement in Compasses Publ...

Этот патент был разработан Джоном и Джорджем Х. Блиссами. Чертежи патентов на полезные объекты

Patent drawing - for a See Saw Public domain  image

Patent drawing - for a See Saw Public domain image

Это напечатанный патентный чертеж водяной пилы, изобретенной г-жой С.Е. Саул. Файлы патентных дел

Patent Drawing of Engine - for J. Gates' Monkey Wrench Public domain  image

Patent Drawing of Engine - for J. Gates' Monkey Wrench Public domain ...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Creeping Baby Doll Public domain  image

Patent drawing - Drawing of Creeping Baby Doll Public domain image

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Patent Drawing of Engine - Drawing of Toy Monument Public domain  image

Patent Drawing of Engine - Drawing of Toy Monument Public domain imag...

Utility Patent Drawings Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description

Patent drawing - for H. L. Deden's Keyed Violins, Cellos, Etc. Public domain  image

Patent drawing - for H. L. Deden's Keyed Violins, Cellos, Etc. Public ...

Utility Patent Drawings Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Picryl description

Patent drawing - for a Toy Gymnast Public domain  image

Patent drawing - for a Toy Gymnast Public domain image

Это печатный патентный рисунок игрушечной гимнастки, изобретенный Рубеном А. Смитом. Файлы патентных дел

Patent drawing - for D. W. Hoshall's Targets for Shooting Galleries Public domain  image

Patent drawing - for D. W. Hoshall's Targets for Shooting Galleries Pu...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - for W. H. Broden's Target Public domain  image

Patent drawing - for W. H. Broden's Target Public domain image

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - for M. E. Walton's Locomotive and Other Chimneys Public domain  image

Patent Drawing of Engine - for M. E. Walton's Locomotive and Other Chi...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - for A. M. Smith's Safety Pin Public domain  image

Patent drawing - for A. M. Smith's Safety Pin Public domain image

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Patent drawing - for T. A. Edison's Electric Lighting Public domain  image

Patent drawing - for T. A. Edison's Electric Lighting Public domain i...

Utility Patent Drawings Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description

Patent drawing - for T. A. Edison's Incandescent Electric Lamp Public domain  image

Patent drawing - for T. A. Edison's Incandescent Electric Lamp Public ...

Utility Patent Drawings Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description

Patent drawing - for G. L. Witsil's Sandwiched Bread Public domain  image

Patent drawing - for G. L. Witsil's Sandwiched Bread Public domain im...

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - for N. P. Otis and R. C. Schmidt's Elevator Public domain  image

Patent Drawing of Engine - for N. P. Otis and R. C. Schmidt's Elevator...

Utility Patent Drawings Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Picryl description

Patent drawing - for F. A. Combes' Roller Skate Public domain  image

Patent drawing - for F. A. Combes' Roller Skate Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - for W. Le Conte Stevens' Stereoscope Public domain  image

Patent drawing - for W. Le Conte Stevens' Stereoscope Public domain i...

Utility Patent Drawings Public domain photograph of stereoscopic card, free to use, no copyright restrictions image - Picryl description

Patent drawing - for A. Bayer's Thermometer Public domain  image

Patent drawing - for A. Bayer's Thermometer Public domain image

Utility Patent Drawings Public domain photograph of a patent diagram drawings, free to use, no copyright restrictions image - Picryl description

Patent drawing - for C. P. Fest's Air Ship Public domain  image

Patent drawing - for C. P. Fest's Air Ship Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - for H. A. Whiting and W. J. Winghart's Umbrella and Cane Combined Public domain  image

Patent drawing - for H. A. Whiting and W. J. Winghart's Umbrella and C...

Utility Patent Drawings Public domain photograph of architecture design drawing, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of a Velocipede Public domain  image

Patent drawing - Drawing of a Velocipede Public domain image

This patent was designed by R. Tragardh. Utility Patent Drawings Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description

Patent drawing - for J. Sperry's Clothes Pin Public domain  image

Patent drawing - for J. Sperry's Clothes Pin Public domain image

Utility Patent Drawings Public domain photograph of architecture design drawing, building plan, diagram, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - for M. Boom's Music Box Public domain  image

Patent Drawing of Engine - for M. Boom's Music Box Public domain imag...

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Patent drawing - for P. Plant's Cork Swimming Suit Public domain  image

Patent drawing - for P. Plant's Cork Swimming Suit Public domain imag...

Utility Patent Drawings Public domain photograph - United States military, propaganda free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - for J. Wilkie's Corn Popper Public domain  image

Patent Drawing of Engine - for J. Wilkie's Corn Popper Public domain ...

Utility Patent Drawings Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description

Patent drawing - for R. W. Turner's Fork for Domestic and Other Uses Public domain  image

Patent drawing - for R. W. Turner's Fork for Domestic and Other Uses P...

Utility Patent Drawings Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description

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