![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0yLTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain historical photo, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS02LTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Public domain dedication image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0zLTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Public domain dedication image")
U.S. Patent Office, [7/16/25] - Public domain dedication image
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
U. S. Patent Office - stereoscopic view, public domain photorpaph
U.S. Patent Office from corner of 9th and G, looking S.E., church in background. Stereo by W.M. Chase. Title from back of stereograph. From the series: Metropolitan and suburban scenery, Washington, D.C., no. 1... More
Cotton Gins...the machine invented by Eli Whitney, for ginning cotton,...
Illus. in: American Farmer ..., v. 4. Baltimore, 1823, p. 380. Reference copy may be in LOT 4434 F. This record contains unverified, old data from caption card. Caption card tracings: Farm machinery...; Cotton ... More
U.S. Patent Office, 7/16/25 - Glass negative photogrpah. Public domain...
Public domain photograph of department store building, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0xMDI0LmpwZw%3D%3D/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
![U.S. Patent Office, [7/16/25] - Public domain dedication image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS0xLTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Public domain dedication image")
U.S. Patent Office, [7/16/25] - Public domain dedication image
Public domain photograph of building interior, office, room, free to use, no copyright restrictions image - Picryl description
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
![U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdXMtcGF0ZW50LW9mZmljZS03MTYyNS01LTEwMjQuanBn/40/28/webp "U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public domain.")
U.S. Patent Office, [7/16/25] - Glass negative photogrpah. Public doma...
Public domain photograph of public building, train station, free to use, no copyright restrictions image - Picryl description
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More
United States Soldiers' and Airmen's Home National Cemetery, Main Gate...
Significance: The Main Gate, erected as a simple yet elegant, classically inspired colonnade, was built in 1883-84 to form the ceremonial entrance into what was then referred to as the Soldiers' Home National ... More