![[Ore testing and ovens in assay laboratory with surrounding text]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE1OTgvMDEvMDEvb3JlLXRlc3RpbmctYW5kLW92ZW5zLWluLWFzc2F5LWxhYm9yYXRvcnktd2l0aC1zdXJyb3VuZGluZy10ZXh0LTY0MC5qcGc%3D/40/54/webp "[Ore testing and ovens in assay laboratory with surrounding text]")
[Ore testing and ovens in assay laboratory with surrounding text]
Illus. and text in: Beschreibung aller furnemisten mineralischen Ertz unnd Bergkwercks Arten / Lazarus Ercker. Franckfurt am Mayn : J. Feyerabendt, 1598. Published in: The tradition of science / Leonard C. Brun... More
Hôtel de l'Assay. Côte de la cour. Rue de Lille Fauxbourg Saint Germai...
Public domain image of a historic building, 16th-17th century architecture, free to use, no copyright restrictions image - Picryl description.
Mechanical multiplier. invented by George W. Edelman, of the U. S. Ass...
On verso: Filed Sept 12, 1856. Available also through the Library of Congress web site in two forms: as facsimile page images and as full text in SGML. Printed Ephemera Collection; Portfolio 122, Folder 10a.
The popular loan to the federal government - scene in the main room of...
Print shows a busy interior scene at the Assay Office on Wall Street in New York City, N.Y., where many citizens have come to loan money to the federal government to help finance the war. Illus. in: Frank Lesl... More
U.S. Assay Office, Helena, Montana, engraving, Library of Congress
Photocopy of architectural rendering. Wm. A. Potter, Supervising [architect], Treasury Dept.
Assay Office: Counting Money - Glass negative photogrpah. Public domai...
Public domain historical photo, free to use, no copyright restrictions image - Picryl description
Mr. Kah smelting gold at the Assay Office - Frank G. Carpenter collect...
Title transcribed from caption accompanying item. Forms part of: Frank and Frances Carpenter collection (Library of Congress). Gift; Mrs. W. Chapin Huntington; 1951.
Stove in the Assay Office used to melt gold dust and nuggets
Title transcribed from caption accompanying item. Forms part of: Frank and Frances Carpenter collection (Library of Congress). Gift; Mrs. W. Chapin Huntington; 1951.
Assay Office, Alaska - Frank G. Carpenter collection
Title transcribed from caption accompanying item. Forms part of: Frank and Frances Carpenter collection (Library of Congress). Gift; Mrs. W. Chapin Huntington; 1951.
Kennecott Mill Town Hospital and Residential Area
Kennecott Mill Town - Kennecott Mines National Historic Landmark, Wrangell-St. Elias National Park & Preserve. The hospital, residential area, and assay shed were all part of the mill town that was was develope... More
Guarding Assay Office entrance, Wall St.
Photo taken at the Wall Street terrorist bombing, Sept. 16, 1920, in the New York City financial district. (Source: Library staff, 2008)
Removing bodies after Wall St. explosion Volunteers removing the bodie...
Photograph shows men carrying covered corpse on a stretcher surrounded by a crowd after an explosion in front of the offices of J.P. Morgan. No. 233856NF. Accession box no. DLC/PP-1971:022 c1 f5
Cripple Creek, Assay Office-Superintendent's Office, Ester, Fairbanks ...
Survey number: HABS AK-126-D Public domain photograph - historical image of Alaska, United States, free to use, no copyright restrictions image - Picryl description
Liberty Historic District, Assay Office, Route 2, Cle Elum, Liberty, K...
Unprocessed Field note material exists for this structure: FN-30 Survey number: HABS WA-163-C
Fremont's Store & Assay Office, Mariposa, Mariposa County, CA
Survey number: HABS CA-1528 Public domain photograph - 1930s California, United States, free to use, no copyright restrictions image - Picryl description
Abandoned United States Assay Office. Pony, Montana
Public domain photograph of life in the United States in the 1930s, free to use, no copyright restrictions image - Picryl description
Separating gold ore samples at assay office. El Dorado Canyon, Nevada
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.
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. A...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. A...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. A...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Parke, Davis and Company, manufacturing chemists, Detroit, Michigan. M...
Public domain photograph of laboratory, scientist, free to use, no copyright restrictions image - Picryl description
Nevada Lucky Tiger Mill & Mine, Assay Office, East slope of Buckskin M...
Survey number: HAER NV-18-C Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description
Library of Environmental Images, Office of Research and Development (O...
The original finding aid described this photograph as: Keywords: Computer workstation, data analysis Credit: U.S. EPA Digital Photographs Relating to the Environment
US Air Force (USAF) Captain (CPT) Christily Silvernail, Public Health ...
The original finding aid described this photograph as: Subject Operation/Series: ENDURING FREEDOM Country: Unknown Scene Camera Operator: SSGT William Greer, USAF Release Status: Released to Public Combined... More
A set of four trays with different designs on them. Tissue culture sci...
A line drawing of a grid of circles / A set of four trays with different designs on them / Public domain stock illustration.
Colorado Assay Office. - Sterescope Card, Colorado
Colorado stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More
Philadelphia, Mint assay furnace. Stereoscope card, 19th century Phila...
Philadelphia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More
Philadelphia, Mint assay furnace. Stereoscope card, 19th century Phila...
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description
201019-N-DA693-1026 SAN DIEGO (Oct. 19, 2020) Hospitalman
201019-N-DA693-1026 SAN DIEGO (Oct. 19, 2020) Hospitalman Hannah Jarnigan, a laboratory technician assigned to Naval Medical Center San Diego’s (NMCSD) microbiology laboratory, prepares coronavirus (COVID-19) s... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
U. S. Assay Office, 210 Main Street, Boise, Ada County, ID
Significance: One of the earliest monumental structures in the Northwest, the Assay Office opened in March 1872. It was designed in Washington, D.C. by A.B. Mullett's office, the office of the supervising arch... More
Colorado Assay Office. - Sterescope Card, Colorado
Colorado stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More
Philadelphia, Mint assay furnace. Stereoscope card, 19th century Phila...
Philadelphia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More
Philadelphia, Mint assay furnace. Stereoscope card, 19th century Phila...
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U.S. Immigrant Station & Assay Office, 815 Airport Way, Seattle, King ...
Significance: The U.S. Immigrant Station and Assay Office (Federal Building, Immigration and Naturalization Service), is significant both architecturally and culturally. Built for the Immigration and Naturaliza... More
U. S. Assay Office, 206 Broadway Street, Helena, Lewis and Clark Count...
Significance: The large volume of gold and silver mined in the Montana Territory prompted the Treasury Department to build a United States Assay Office close to the source. Funds were appropriated by Act of Co... More
U. S. Assay Office, 206 Broadway Street, Helena, Lewis and Clark Count...
Significance: The large volume of gold and silver mined in the Montana Territory prompted the Treasury Department to build a United States Assay Office close to the source. Funds were appropriated by Act of Co... More
U. S. Assay Office, 206 Broadway Street, Helena, Lewis and Clark Count...
Significance: The large volume of gold and silver mined in the Montana Territory prompted the Treasury Department to build a United States Assay Office close to the source. Funds were appropriated by Act of Co... More
U. S. Assay Office, 206 Broadway Street, Helena, Lewis and Clark Count...
Significance: The large volume of gold and silver mined in the Montana Territory prompted the Treasury Department to build a United States Assay Office close to the source. Funds were appropriated by Act of Co... More
U. S. Assay Office, 206 Broadway Street, Helena, Lewis and Clark Count...
Significance: The large volume of gold and silver mined in the Montana Territory prompted the Treasury Department to build a United States Assay Office close to the source. Funds were appropriated by Act of Co... More
U. S. Assay Office, 206 Broadway Street, Helena, Lewis and Clark Count...
Significance: The large volume of gold and silver mined in the Montana Territory prompted the Treasury Department to build a United States Assay Office close to the source. Funds were appropriated by Act of Co... More
Blake-Waters Assay Office, 222 J Street, Sacramento, Sacramento County...
Significance: Built in 1852, this one-story brick structure was occupied by three firms of assayers and refiners between 1852 and 1866. These firms were Black and Company, Waters and Company, and J. Howell and... More
Blake-Waters Assay Office, 222 J Street, Sacramento, Sacramento County...
Significance: Built in 1852, this one-story brick structure was occupied by three firms of assayers and refiners between 1852 and 1866. These firms were Black and Company, Waters and Company, and J. Howell and... More
Blake-Waters Assay Office, 222 J Street, Sacramento, Sacramento County...
Significance: Built in 1852, this one-story brick structure was occupied by three firms of assayers and refiners between 1852 and 1866. These firms were Black and Company, Waters and Company, and J. Howell and... More
Blake-Waters Assay Office, 222 J Street, Sacramento, Sacramento County...
Significance: Built in 1852, this one-story brick structure was occupied by three firms of assayers and refiners between 1852 and 1866. These firms were Black and Company, Waters and Company, and J. Howell and... More
Blake-Waters Assay Office, 222 J Street, Sacramento, Sacramento County...
Significance: Built in 1852, this one-story brick structure was occupied by three firms of assayers and refiners between 1852 and 1866. These firms were Black and Company, Waters and Company, and J. Howell and... More
Juniata Mill Complex, Assay Office, 22.5 miles Southwest of Hawthorne,...
Survey number: HAER NV-24-G Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description
Juniata Mill Complex, Assay Office, 22.5 miles Southwest of Hawthorne,...
Survey number: HAER NV-24-G Public domain photograph of wooden church building, free to use, no copyright restrictions image - Picryl description
Juniata Mill Complex, Assay Office, 22.5 miles Southwest of Hawthorne,...
Survey number: HAER NV-24-G Public domain photograph of wooden church building, free to use, no copyright restrictions image - Picryl description