Coil for U.S. General Post Office, top view
Drawing. This record contains unverified data from caption card. Public domain scan of 19th century architectural drawing, free to use, no copyright restrictions image - Picryl description
![[Bridge with man sitting on top, two men standing below]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvYnJpZGdlLXdpdGgtbWFuLXNpdHRpbmctb24tdG9wLXR3by1tZW4tc3RhbmRpbmctYmVsb3ctNjQwLmpwZw%3D%3D/40/27/webp "[Bridge with man sitting on top, two men standing below]")
[Bridge with man sitting on top, two men standing below]
Photograph. This record contains unverified data from caption card. Public domain photograph of the arch tunnel, free to use, no copyright restrictions image - Picryl description
![[Bridge under construction - Cabin John Bridge]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvYnJpZGdlLXVuZGVyLWNvbnN0cnVjdGlvbi1jYWJpbi1qb2huLWJyaWRnZS02NDAuanBn/40/27/webp "[Bridge under construction - Cabin John Bridge]")
[Bridge under construction - Cabin John Bridge]
Photograph. This record contains unverified data from caption card. Public domain photograph of a canal, water landscape, free to use, no copyright restrictions image - Picryl description
Design for scaffold around peristyle of dome
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of boiler fronts - Public domain drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Balustrade over columns of dome
U.S. Capitol (drawing). This record contains unverified data from caption card.
Entablature, balustrade, and ceiling of southern portico of south wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of gallery of Senate Chamber
U.S. Capitol (drawing). This record contains unverified data from caption card.
Fan-room for Senate Chamber - Public domain architectural plan drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of private stairs, north wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of boiler fronts - Public domain architectural drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Elevations of gallery fronts, Senate Chamber
U.S. Capitol (drawing). This record contains unverified data from caption card.
Arrangement of trellis work for ventilation in Hall of Representatives
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of peristyle of dome - Public domain drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Coil for House of Representatives
U.S. Capitol (drawing). This record contains unverified data from caption card.
Plan of attic story, revised and approved by the President of the U.S....
U.S. Capitol (drawing). This record contains unverified data from caption card.
Stylobate of dome, full size - Public domain architectural plan drawin...
U.S. Capitol (drawing). This record contains unverified data from caption card.
Register for ventilating flues - Public domain drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Arrangement of closet in room of Secretary of Senate
U.S. Capitol (drawing). This record contains unverified data from caption card.
Washington Aqueduct, details of masonry, traverse section
Drawing. This record contains unverified data from caption card. Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Pic... More
Plan and details of attic story
U.S. General Post Office extension? (drawing). This record contains unverified data from caption card.
![[Sculpture of sitting man with his hand on globe and sacks of money at his feet]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvc2N1bHB0dXJlLW9mLXNpdHRpbmctbWFuLXdpdGgtaGlzLWhhbmQtb24tZ2xvYmUtYW5kLXNhY2tzLW9mLW1vbmV5LWF0LWhpcy1mZWV0LTY0MC5qcGc%3D/40/54/webp "[Sculpture of sitting man with his hand on globe and sacks of money at his feet]")
[Sculpture of sitting man with his hand on globe and sacks of money at...
Photograph. This record contains unverified data from caption card. Public domain photograph of statue, sculpture, free to use, no copyright restrictions image - Picryl description
![[St. Paul's Cathedral in London, England, viewed from across the river]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvc3QtcGF1bHMtY2F0aGVkcmFsLWluLWxvbmRvbi1lbmdsYW5kLXZpZXdlZC1mcm9tLWFjcm9zcy10aGUtcml2ZXItNjQwLmpwZw%3D%3D/40/29/webp "[St. Paul's Cathedral in London, England, viewed from across the river]")
[St. Paul's Cathedral in London, England, viewed from across the river...
Photograph. This record contains unverified data from caption card. Public domain photograph - historical image of Venice, Italy, free to use, no copyright restrictions image - Picryl description
Coil for U.S. General Post Office, side view and front view
Drawing. This record contains unverified data from caption card.
U.S. Gen'l Post Office, sliding window in Engine Room
Drawing. This record contains unverified data from caption card. Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Pic... More
Arms of the State of Vermont, drawn for the ceiling of the Hall of Rep...
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of boiler fronts - Public domain document scan of drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of dome, Washington, D.C.
U.S. Capitol (drawing). This record contains unverified data from caption card.
Fan-room for Senate Chamber - Public domain architectural drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Piping for U.S. Capitol extension, north wing, south side
Drawing. This record contains unverified data from caption card. The original U.S. Capitol building, known as the "Old Capitol," was a small brick building that was completed in 1800. It served as the Capitol ... More
Iron risers for steps of gallery, Senate Chamber, n.w.
U.S. Capitol (drawing). This record contains unverified data from caption card.
Iron backs of corner seats of gallery, Senate
U.S. Capitol (drawing). This record contains unverified data from caption card.
Shears for machine shop - Public domain architectural plan drawing
U.S. Capitol? (drawing). This record contains unverified data from caption card.
Register for Senate Chamber - Public domain cabinet drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Arrangement of exhaust pipes, north wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Longitudinal section through north wing, engraving, Library of Congres...
U.S. Capitol (drawing). This record contains unverified data from caption card.
Skeleton of new dome on U.S. Capitol
Drawing. This record contains unverified data from caption card. The original U.S. Capitol building, known as the "Old Capitol," was a small brick building that was completed in 1800. It served as the Capitol ... More
Coal barrow, Washington, D.C. - Public domain architectural plan drawi...
U.S. Capitol? (drawing). This record contains unverified data from caption card.
Cellar, north wing, junction of air-ducts
U.S. Capitol (drawing). This record contains unverified data from caption card.
Crab for drilling holds in plate ring upon the dome
U.S. Capitol (drawing). This record contains unverified data from caption card.
![[Men working in deep pit with stone wall]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvbWVuLXdvcmtpbmctaW4tZGVlcC1waXQtd2l0aC1zdG9uZS13YWxsLTY0MC5qcGc%3D/40/31/webp "[Men working in deep pit with stone wall]")
[Men working in deep pit with stone wall]
This record contains unverified data from caption card.
U.S. General Post Office Building, boilers for heating and ventilation
Drawing. This record contains unverified data from caption card. Public domain scan of decorative drawing, decor elements, art design, free to use, no copyright restrictions image - Picryl description
Dynometer for fan experiments - Public domain drawing
Drawing. This record contains unverified data from caption card.
![[Washington Aqueduct] - Early photography, Public domain image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvd2FzaGluZ3Rvbi1hcXVlZHVjdC02NDAuanBn/40/25/webp "[Washington Aqueduct] - Early photography, Public domain image")
[Washington Aqueduct] - Early photography, Public domain image
Photograph. This record contains unverified data from caption card. Public domain photograph of a ship, free to use, no copyright restrictions image - Picryl description
Design for register, Washington, D.C., engraving, Library of Congress
U.S. Capitol (drawing). This record contains unverified data from caption card.
Boilers for heating and ventilating
U.S. Capitol (drawing). This record contains unverified data from caption card.
Extension of the U.S. Capitol, north wing
Drawing. This record contains unverified data from caption card. The original U.S. Capitol building, known as the "Old Capitol," was a small brick building that was completed in 1800. It served as the Capitol ... More
Dome of U.S. Capitol, horizontal braces between main ribs
Drawing. This record contains unverified data from caption card. The original U.S. Capitol building, known as the "Old Capitol," was a small brick building that was completed in 1800. It served as the Capitol ... More
Details of Members' retiring room, south wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Heat and ventilating, boiler fronts
U.S. Capitol (drawing). This record contains unverified data from caption card.
Cross braces between pillars in drum of dome
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of front steps - Public domain architectural plan drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Longitudinal section, south wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Plan, section and details of ceiling of western stairway, north wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Ornament of pilasters of dome, second story
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of boiler fronts - Public domain architectural drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Coil for U.S. Gen'l Post Office
Drawing. This record contains unverified data from caption card. Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Pic... More
![[Sculpture of man cutting a tree with an ax]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvc2N1bHB0dXJlLW9mLW1hbi1jdXR0aW5nLWEtdHJlZS13aXRoLWFuLWF4LTY0MC5qcGc%3D/40/54/webp "[Sculpture of man cutting a tree with an ax]")
[Sculpture of man cutting a tree with an ax]
Photograph. This record contains unverified data from caption card. No known restrictions on publication.
![[Capital of a column] - Early photography, Public domain image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvY2FwaXRhbC1vZi1hLWNvbHVtbi02NDAuanBn/40/54/webp "[Capital of a column] - Early photography, Public domain image")
[Capital of a column] - Early photography, Public domain image
Photograph. This record contains unverified data from caption card.
![[Bridge under construction] - Early photography, Public domain image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvYnJpZGdlLXVuZGVyLWNvbnN0cnVjdGlvbi02NDAuanBn/40/28/webp "[Bridge under construction] - Early photography, Public domain image")
[Bridge under construction] - Early photography, Public domain image
Photograph. This record contains unverified data from caption card.
![[Track leading into tunnel in rock, with one man]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvdHJhY2stbGVhZGluZy1pbnRvLXR1bm5lbC1pbi1yb2NrLXdpdGgtb25lLW1hbi02NDAuanBn/40/31/webp "[Track leading into tunnel in rock, with one man]")
[Track leading into tunnel in rock, with one man]
Photograph. This record contains unverified data from caption card. Public domain photograph of a tunnel, arch structure, free to use, no copyright restrictions image - Picryl description
Iron backs of corner seates of gallery, Senate
U.S. Capitol (drawing). This record contains unverified data from caption card.
Cross braces to connect the inner and outer entablature of dome
U.S. Capitol (drawing). This record contains unverified data from caption card.
Plan of gallery of Hall of Representatives
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of boiler fronts - Public domain architectural plan drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
![[Side view of relief work of chair or bench]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvc2lkZS12aWV3LW9mLXJlbGllZi13b3JrLW9mLWNoYWlyLW9yLWJlbmNoLTY0MC5qcGc%3D/40/35/webp "[Side view of relief work of chair or bench]")
[Side view of relief work of chair or bench]
U.S. Capitol (drawing). This record contains unverified data from caption card.
Dome of U.S. Capitol, section showing one of the main ribs extending f...
U.S. Capitol (drawing). This record contains unverified data from caption card.
Iron risers of steps in Senate Chamber, n.w.
U.S. Capitol (drawing). This record contains unverified data from caption card.
Gas regulator, Washington, D.C.
U.S. Capitol? (drawing). This record contains unverified data from caption card.
Stairway to cellar of north wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of dome, Washington, D.C.
U.S. Capitol (drawing). This record contains unverified data from caption card.
Stairs to cellar, east end, south wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Plan of floor of Hall of Representatives with the air ducts and regist...
U.S. Capitol (drawing). This record contains unverified data from caption card.
Air-duct for Senate Chamber, north wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Cross braces to connect the inner and outer entablature of dome
U.S. Capitol (drawing). This record contains unverified data from caption card.
Fan-room of Hall of Representatives
U.S. Capitol (drawing). This record contains unverified data from caption card.
Pillars in drum of dome - Public domain drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Plan of base of dome - Public domain architectural drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of skylights in ceiling of Senate Chamber
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of dome, carriages of stairway of drum
U.S. Capitol (drawing). This record contains unverified data from caption card.
![[Sculpture of two boys] - Early photography, Public domain image](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NTIvMDEvMDEvc2N1bHB0dXJlLW9mLXR3by1ib3lzLTY0MC5qcGc%3D/40/53/webp "[Sculpture of two boys] - Early photography, Public domain image")
[Sculpture of two boys] - Early photography, Public domain image
Photograph. This record contains unverified data from caption card. Public domain photograph of a sculpture, monument, free to use, no copyright restrictions image - Picryl description
Boilers for heating and ventilating
U.S. General Post Office? (drawing). This record contains unverified data from caption card.
Plan of basement story - Public domain architectural plan drawing
U.S. General Post Office (drawing). This record contains unverified data from caption card.
U.S. Gen'l Post Office, heating and ventilating, details of fans
Drawing. This record contains unverified data from caption card. Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Pic... More
Fan rooms and fans, U.S. Gen'l Post Office
Drawing. This record contains unverified data from caption card. Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Pic... More
U.S.P.O. i.e., U.S. Post Office differential pressure valve
Drawing. This record contains unverified data from caption card. Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Pic... More
Detail for extension of General Post Office
Drawing. This record contains unverified data from caption card. Public domain scan of 19th century architectural drawing, free to use, no copyright restrictions image - Picryl description
Cross braces between pillars in drum of dome
U.S. Capitol (drawing). This record contains unverified data from caption card.
Arrangement of pipe connections to boilers and pumps, south wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Details of western stairway, north wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Saddles for boiler; damper and box
U.S. Capitol (drawing). This record contains unverified data from caption card.
Trellis work for openings of ventilation in Hall of Representatives
U.S. Capitol (drawing). This record contains unverified data from caption card.
Steam indicator diargams, engine of Committee Room fan, north wing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Case for differential pressure valve
U.S. Capitol? (drawing). This record contains unverified data from caption card.
Elevation of dome of U.S. Capitol
Drawing. This record contains unverified data from caption card. The original U.S. Capitol building, known as the "Old Capitol," was a small brick building that was completed in 1800. It served as the Capitol ... More
Differential pressure valves, Washington, D.C.
U.S. Capitol? (drawing). This record contains unverified data from caption card.
Entablature, balustrade, and ceiling of western portico of south corri...
U.S. Capitol (drawing). Entire LOT has copy negs - BCO 6/12/87. This record contains unverified data from caption card.
Details of dome, bottom plate under interior balustrade, one step abov...
U.S. Capitol (drawing). This record contains unverified data from caption card.
Cellar story, south wing - Public domain architectural plan drawing
U.S. Capitol (drawing). This record contains unverified data from caption card.
Rear, side and front views of boilers
U.S. Capitol (drawing). This record contains unverified data from caption card.