Pythagoras reading and teaching; Thales, measuring the sun, calculated...
Public domain scan of a medieval manuscript, free to use, no copyright restrictions image - Picryl description.
And now a beer meter. Washington, D.C., May 1. To aid Uncle Same in co...
Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
[Rhea Quintin - 14 years old. Hand drawing in on Webb frame. Been at i...
Picryl description: Public domain image of child labor, exploitation, children workers, economic conditions, free to use, no copyright restrictions.
[Rhea Quintin - 14 years old. Hand drawing in on Webb frame. Been at i...
Picryl description: Public domain image of a child labor, factory, plant, manufacture, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.
Airplanes - Propellers - Manufacturing airplanes at the Dayton Wright ...
Photographer: Dayton-Wright Airplane Co. Airplanes - Propellers Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
Accuracy always This blind former soldier is enabled to attain marvelo...
Caption from negative sleeve: Hughes Co. Title, date and notes from Red Cross caption card. Photographer name or source of original from caption card or negative sleeve: Red Cross Institute. Data: Pub. Infor., ... More
Carl Bronner, sightless and with both hands off at the wrists is one o...
Caption from negative sleeve: Hughes Co. Title, date and notes from Red Cross caption card. Photographer name or source of original from caption card or negative sleeve: Red Cross Institute. Data: Public Inform... More
Adding prize winner. Washington D.C. In a speed and accuracy contest f...
A man sitting at a desk typing on a typewriter. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Fingerprint met hard on crooks. It is possible, according to E.K. Thod...
Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
Bureau of Standards. Accuracy reading of thermometer
Public domain photograph of a woman, female portrait, free to use, no copyright restrictions image - Picryl description
Negro men and women work side by side on the production lines at the S...
Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less
Vice president pulls number for secret unemployment census key. Washin...
Two men standing next to each other in a room. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Baltimore, MD. Strange as it may seem, many persons misspell or change...
Public domain historical photo, free to use, no copyright restrictions image - Picryl description
Baltimore, MD. In handling millions of records two things are of great...
Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description
New time saving voting machine designed to U.S. Capitol employee. Wash...
A black and white photo of a man typing on a typewriter. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
Army truck manufacture (Dodge). An expert installs the accessories for...
Picryl description: Public domain photograph of a machine, industrial equipment, engine, generator, free to use, no copyright restrictions.
To save time in checking threads on a twenty-millimeter shell booster,...
Picryl description: Public domain photograph of costume accessory, free to use, no copyright restrictions image.
Aircraft. Naval. The Navy's SBD light dive bomber is the counterpart o...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Chrysler tank arsenal. This is a milling operation. The four-pound met...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Aircraft. Naval. The Navy's SBD light dive bomber is the counterpart o...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Shipbuilding (Newport News). This craftsman is measuring the rudder be...
Public domain photograph of Virginia, 1930s, free to use, no copyright restrictions image - Picryl description
Antiaircraft gun carriage. A casting is machined for the traversing as...
Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less
Centering fabric on the drum. The fabric layer is slipped onto the dru...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Production. B-24 bombers and C-87 transports. A new consolidated trans...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Production. P-51 "Mustang" fighter planes. The accuracy of a milling m...
Public domain photograph of California in 1930s, free to use, no copyright restrictions image - Picryl description
The Douglas A-24 (Dauntless) light dive bomber, is the Army counterpar...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
The Douglas A-24 (Dauntless) light dive bomber, is the Army counterpar...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Training high school boys to identify planes. Student's test model pla...
Public domain photograph of manufacturing, industry, free to use, no copyright restrictions image - Picryl description
Conversion. Merry-go-round plant. These hands and this machine used to...
Picryl description: Public domain image of a child labor, factory, plant, manufacture, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions.
Check and triple check. Final inspection of breach rings for medium ca...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Testing for accuracy. Checking the straight-shooting qualities of one ...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Women in war. Machine gun production operators. Operating a multiple d...
Picryl description: Public domain image of a factory worker, plant, manufacture, assembly line, industrial facility, early 20th-century industrial architecture, free to use, no copyright restrictions. show less
Another batch coming up. Parts for dozens of small guns are checked fo...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
The Douglas A-24 (Dauntless) light dive bomber is the Army counterpart...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Making accuracy certain. Rifling grooves to speed shells on their way ...
Actual size of negative is C (approximately 4 x 5 inches). Caption edited by agency. Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division.... More
Forty-two keys to victory. An old typing exercise assumes new importan...
Public domain photograph of office, auditorium, free to use, no copyright restrictions image - Picryl description
Accuracy comes first. Experienced inspectors check clip hoops for the ...
Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description
On the "assembly" line. Scores of parts go into Uncle Sam's big guns. ...
Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description
Production. B-24 bombers and C-87 transports. A wing center section fo...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
The Douglas A-24 (Dauntless) light dive bomber is the Army counterpart...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
To save time in checking threads on a twenty-millimeter shell booster,...
Picryl description: Public domain photograph of costume accessory, free to use, no copyright restrictions image.
No second guesses. Every part of every gun turned out for national def...
Picryl description: Public domain image of an aircraft, assembly line, industrial facility, 1930s aviation, free to use, no copyright restrictions.
Production. B-24 bombers and C-87 transports. Maiden flight for a new ...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
A skilled machinist on a turret lathe in North America's machine shop ...
Picryl description: Public domain photograph of a machine, worker, factory, industrial equipment, free to use, no copyright restrictions.
Conversion. Auto plant to 75- and 155-mm shell production. The work of...
Public domain photograph of factory building, free to use, no copyright restrictions image - Picryl description
Forest Products Laboratory, Madison, Wisconsin. Checking the accuracy ...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Conversion. Merry-go-round plant. In times of peace, this horizontal b...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Superhuman electrical accuracy. Gauging the accuracy of a 155 mm shell...
Actual size of negative is C (approximately 4 x 5 inches). Caption card lists some of the printing history of image. Title and other information from caption card. Transfer; United States. Office of War Informa... More
Making accuracy certain. Rifling grooves to speed shells on their way ...
Public domain photograph of New York in 1930s, free to use, no copyright restrictions image - Picryl description
Superhuman electrical accuracy. Gauging the accuracy of a 155 mm shell...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Liberator (B-24E) bomber. Two Liberator (B-24E) bombers on trial fligh...
Picryl description: Public domain image of a bomber aircraft, military aviation, air forces, free to use, no copyright restrictions.
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bu...
Picryl description: Public domain photograph of an office worker, 1930s, free to use, no copyright restrictions.
United States "lend-lease" program in eastern India. An Indian technic...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
[Matthew A. Donohue, inspector of weights and measures for the N. Y. D...
NYWT&S staff photograph. Forms part of: New York World-Telegram and the Sun Newspaper Photograph Collection (Library of Congress).
Pad 6. Launch of US Army Redstone (2040) for accuracy and vehicle re-...
Pad 6. Launch of US Army Redstone (2040) for accuracy and vehicle re-entry observation, at 9: 30 P.M. EST. (Lift-off) Photo by: Bundy.
An Air Force F-100D Super Sabre aircraft fires a salvo of 2.75-inch ro...
The original finding aid described this photograph as: Base: Saigon Country: Viet Nam (VNM) Scene Camera Operator: Unknown Release Status: Released to Public Combined Military Service Digital Photographic Files
Landing Accuracy on Mars: A Historical Perspective
This image illustrates how spacecraft landings on Mars have become more and more precise over the years. Since NASA first Mars landing of Viking in 1976, the targeted landing regions, or ellipses, have shrunk. ... More
A refueling boom operator checks a sextant for accuracy during preflig...
The original finding aid described this photograph as: Base: Kelly Air Force Base State: Texas (TX) Country: United States Of America (USA) Scene Camera Operator: SSGT. Rich Miller Release Status: Released... More
A sergeant checks the accuracy of an oscilloscope
The original finding aid described this photograph as: Base: Ramstein Air Base State: Rheinland-Pfalz Country: Deutschland / Germany (DEU) Scene Camera Operator: SSGT Virgil E. Short Release Status: Releas... More
A Royal Canadian Air Force member checks his target for accuracy at th...
The original finding aid described this photograph as: Base: Pope Air Force Base State: North Carolina (NC) Country: United States Of America (USA) Scene Camera Operator: SSGT William W. Magel Release Stat... More
SRA George Cain and SSGT Wilmer Shelton from the 8th Tactical Fighter ...
The original finding aid described this photograph as: Base: Kunsan Air Base Country: Republic Of Korea (KOR) Scene Camera Operator: A1C Ted Koniares Release Status: Released to Public Combined Military Ser... More
A member of the 9th Division Artillery checks a spotting scope for acc...
The original finding aid described this photograph as: Base: Fort Lewis State: Washington (WA) Country: United States Of America (USA) Scene Camera Operator: SPC David Schad Release Status: Released to Pub... More
SSGT Ernest Ray Todd talks on the phone as he performs height accuracy...
The original finding aid described this photograph as: Subject Operation/Series: COPPER FLAG Base: Tyndall Air Force Base State: Florida (FL) Country: United States Of America (USA) Scene Camera Operator: ... More
SSGT Ernest Ray Todd talks on the phone as he performs height accuracy...
The original finding aid described this photograph as: Subject Operation/Series: COPPER FLAG Base: Tyndall Air Force Base State: Florida (FL) Country: United States Of America (USA) Scene Camera Operator: ... More
Mr. Samuels, chief of the Chemistry section at Gorgas Army Hospital, t...
The original finding aid described this photograph as: Base: Fort Clayton Country: Panama (PAN) Scene Camera Operator: Martin Shapiro Release Status: Released to Public Combined Military Service Digital Pho... More
A silhouette view of a member of the US team checking her accuracy dur...
The original finding aid described this photograph as: Base: Chino State: California (CA) Country: United States Of America (USA) Scene Camera Operator: SMSGT Don Sutherland Release Status: Released to Pub... More
Gun Crew Two, from Fox Battery, 2nd Battalion, 12th Marines, loads a 1...
The original finding aid described this photograph as: State: Okinawa Country: Japan (JPN) Scene Camera Operator: CPL. L. A. Ziegler Release Status: Released to Public Combined Military Service Digital Phot... More
Range : 6.1 million km ( 3.8 million miles) This image of clouds in N...
Range : 6.1 million km ( 3.8 million miles) This image of clouds in Neptune's atmosphere is the first that tests the accuracy of the weather forecast that was made eight days earlier to select targets for the ... More
Voyager II Imagery - Neptune: This image of clouds in Neptune's atmosp...
Voyager II Imagery - Neptune: This image of clouds in Neptune's atmosphere is the first that tests the accuracy of the weather forecast that was made eight days earlier to select targets for the Voyager narrow-... More
SEAMAN Recruit Ken Fulmer tests the accuracy of a high pressure gauge ...
The original finding aid described this photograph as: Base: Corry Station, Pensacola State: Florida (FL) Country: United States Of America (USA) Scene Camera Operator: Jim Bryant Release Status: Released ... More
(Left to right) CMSGT Cecil Fultz, MSGT J. B. Rickert, CMSGT Bob Schei...
The original finding aid described this photograph as: Subject Operation/Series: RODEO 92 Base: Pope Air Force Base State: North Carolina (NC) Country: United States Of America (USA) Scene Camera Operator:... More
Umpires in the RODEO 92 C-141 accuracy landing event await the landing...
The original finding aid described this photograph as: Subject Operation/Series: RODEO 92 Base: Pope Air Force Base State: North Carolina (NC) Country: United States Of America (USA) Scene Camera Operator:... More
A Marine from the 24th Marine Expeditionary Unit, Camp Lejeune, NC, se...
The original finding aid described this photograph as: Subject Operation/Series: UNOSOM II Base: Mogadishu Country: Somalia (SOM) Scene Camera Operator: SRA Joanna Seltzer Release Status: Released to Publi... More
F-16 No. 353 in flight with the Wind Corrected Munitions Dispenser (WC...
The original finding aid described this photograph as: Base: Eglin Air Force Base State: Florida (FL) Country: United States Of America (USA) Scene Camera Operator: Kenneth Moyer Release Status: Released t... More
US Air Force Major Butch Jensen, demonstrates the capabilities of the ...
The original finding aid described this photograph as: Subject Operation/Series: DECISIVE ENDEAVOR Base: Vicenza Country: Italy (ITA) Scene Camera Operator: MSGT Joseph M. Juarez, USAF Release Status: Rele... More
US Army Sergeant John Felton, from Delta Battery, 319th Airborne Field...
The original finding aid described this photograph as: Base: Aviano Air Base State: Pordenone Country: Italy (ITA) Scene Camera Operator: SRA Suzanne M. Jenkins, USAF Release Status: Released to Public Com... More
US Army SPECIALIST Joel Bates (Foreground) and Sergeant Mauro Spiegel ...
The original finding aid described this photograph as: Base: Aviano Air Base State: Pordenone Country: Italy (ITA) Scene Camera Operator: SRA Suzanne M. Jenkins, USAF Release Status: Released to Public Com... More
US Army Soldiers from the Delta Battery, 319th Airborne Field Artiller...
The original finding aid described this photograph as: Base: Aviano Air Base State: Pordenone Country: Italy (ITA) Scene Camera Operator: SRA Suzanne M. Jenkins, USAF Release Status: Released to Public Com... More
Left side profile medium close-up shot as US Air Force SENIOR AIRMAN P...
The original finding aid described this photograph as: Base: Aviano Air Base State: Pordenone Country: Italy (ITA) Scene Camera Operator: SRA Suzanne Jenkins, USAF Release Status: Released to Public Combin... More
Department of the Army civilian Donald Beardslee (Seated) checks out i...
The original finding aid described this photograph as: Base: Fort Sam Houston, San Antonio State: Texas (TX) Country: United States Of America (USA) Scene Camera Operator: Edward Dixon, USA Civilian Releas... More
Team Vandenberg successfully launches an unarmed Minuteman III interco...
The original finding aid described this photograph as: Base: Vandenberg Air Force Base State: California (CA) Country: United States Of America (USA) Scene Camera Operator: SSGT Richard W. Freeland, USAF R... More
Team Vandenberg successfully launches an unarmed Minuteman III interco...
The original finding aid described this photograph as: Base: Vandenberg Air Force Base State: California (CA) Country: United States Of America (USA) Scene Camera Operator: SSGT Richard W. Freeland, USAF R... More
Team Vandenberg successfully launches an unarmed Minuteman III interco...
The original finding aid described this photograph as: Base: Vandenberg Air Force Base State: California (CA) Country: United States Of America (USA) Scene Camera Operator: SSGT Richard W. Freeland, USAF R... More
A US Air Force competitor in the pistol competition is evaluated on ac...
The original finding aid described this photograph as: Subject Operation/Series: DEFENDER CHALLENGE 2000 Base: Lackland Air Force Base State: Texas (TX) Country: United States Of America (USA) Scene Camera... More
Targets are evaluated for accuracy during DEFENDER CHALLENGE 2000 at L...
The original finding aid described this photograph as: Subject Operation/Series: DEFENDER CHALLENGE 2000 Base: Lackland Air Force Base State: Texas (TX) Country: United States Of America (USA) Scene Camera... More
Targets are evaluated for accuracy during DEFENDER CHALLENGE 2000 at L...
The original finding aid described this photograph as: Subject Operation/Series: DEFENDER CHALLENGE 2000 Base: Lackland Air Force Base State: Texas (TX) Country: United States Of America (USA) Scene Camera... More
US Air Force Captain Steve Sugiyama fires his M16A2 rifle down range a...
The original finding aid described this photograph as: Subject Operation/Series: DEFENDER CHALLENGE '00 Base: Camp Bullis State: Texas (TX) Country: United States Of America (USA) Scene Camera Operator: A1... More
KENNEDY SPACE CENTER, FLA. -- Inside the Spacecraft Assembly and Enca...
KENNEDY SPACE CENTER, FLA. -- Inside the Spacecraft Assembly and Encapsulation Facility 2, a covered Microwave Anisotropy Probe (MAP) satellite is revealed after removal of the container (far right). MAP will ... More
KENNEDY SPACE CENTER, FLA. -- The container with the Microwave Anisotr...
KENNEDY SPACE CENTER, FLA. -- The container with the Microwave Anisotropy Probe (MAP) satellite inside moves into the Spacecraft Assembly and Encapsulation Facility 2. MAP will undergo testing in the SAEF-2 bef... More
KENNEDY SPACE CENTER, FLA. -- The Microwave Anisotropy Probe (MAP) sat...
KENNEDY SPACE CENTER, FLA. -- The Microwave Anisotropy Probe (MAP) satellite arrives at KSC’s Spacecraft Assembly and Encapsulation Facility 2. MAP will undergo testing in the SAEF-2 before its scheduled launch... More
KENNEDY SPACE CENTER, FLA. -- The container with the Microwave Anisot...
KENNEDY SPACE CENTER, FLA. -- The container with the Microwave Anisotropy Probe (MAP) satellite inside is backed into the Spacecraft Assembly and Encapsulation Facility 2. MAP will undergo testing in the SAEF-... More
KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and ...
KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and Encapsulation Facility 2 place an antenna on the Microwave Anisotropy Probe (MAP). Several other milestones must be completed while MAP is a... More
KENNEDY SPACE CENTER, FLA. -- The Microwave Anisotropy Probe (MAP) is ...
KENNEDY SPACE CENTER, FLA. -- The Microwave Anisotropy Probe (MAP) is worked on in the Spacecraft Assembly and Encapsulation Facility 2. Several milestones must be completed while MAP is at SAEF-2, including an... More
KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and ...
KENNEDY SPACE CENTER, FLA. -- Workers in the Spacecraft Assembly and Encapsulation Facility 2 stand by while the Microwave Anisotropy Probe (MAP) is lifted to place it on a workstand. Several milestones must b... More
KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsul...
KENNEDY SPACE CENTER, FLA. -- In the Spacecraft Assembly and Encapsulation Facility 2, the Microwave Anisotropy Probe (MAP) undergoes testing and checkout. Several milestones must be completed while MAP is at ... More
KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-B, Cape Canaveral...
KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-B, Cape Canaveral Air Force Station, the first stage of a Boeing Delta rocket arrives at the pad. When fully assembled, the rocket is scheduled to launch the... More
KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-B, Cape Canaveral ...
KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-B, Cape Canaveral Air Force Station, the first stage of a Boeing Delta rocket is suspended in the gantry on the pad. When fully assembled, the rocket is sched... More
On Launch Complex 17-B, Cape Canaveral Air Force Station, the second s...
On Launch Complex 17-B, Cape Canaveral Air Force Station, the second stage of a Boeing Delta 7425-10 rocket is lifted into position as preparations to launch NASA's Microwave Anisotropy Probe (MAP) on June 30 c... More
On Launch Complex 17-B, Cape Canaveral Air Force Station, the second s...
On Launch Complex 17-B, Cape Canaveral Air Force Station, the second stage of a Boeing Delta 7425-10 rocket is lifted into position as preparations to launch NASA's Microwave Anisotropy Probe (MAP) on June 30 c... More
KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-B, Cape Canaveral A...
KENNEDY SPACE CENTER, FLA. -- On Launch Complex 17-B, Cape Canaveral Air Force Station, the second stage of a Boeing Delta 7425-10 rocket is lifted into position as preparations to launch NASA's Microwave Aniso... More