NAVAL OBSERVATORY. C.B. WATTS TURNING BACK THE CLOCK
Photograph shows C.B. Watts turning back a clock at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.
Astronomers at Naval Observatory viewing eclipse of sun, 1/24/25
Public domain image of a group of people, ceremony, event, free to use, no copyright restrictions - Picryl description
![[Exterior of Naval Observatory, Washington, D.C.] / copyrighted and photographed by Waldon Fawcett.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDQvMDEvMDEvZXh0ZXJpb3Itb2YtbmF2YWwtb2JzZXJ2YXRvcnktd2FzaGluZ3Rvbi1kYy1jb3B5cmlnaHRlZC1hbmQtcGhvdG9ncmFwaGVkLWJ5LTY0MC5qcGc%3D/40/29/webp "[Exterior of Naval Observatory, Washington, D.C.] / copyrighted and photographed by Waldon Fawcett.")
[Exterior of Naval Observatory, Washington, D.C.] / copyrighted and ph...
H10279 U.S. Copyright Office. Public domain photograph of historic place in Washington DC, free to use, no copyright restrictions image - Picryl description
![Naval Observatory, [Washington, D.C.], Longitude houses for determining difference in time between Wash. & Paris](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MTAvMDEvMDEvbmF2YWwtb2JzZXJ2YXRvcnktd2FzaGluZ3Rvbi1kYy1sb25naXR1ZGUtaG91c2VzLWZvci1kZXRlcm1pbmluZy1kaWZmZXJlbmNlLTEwMjQuanBn/40/30/webp "Naval Observatory, [Washington, D.C.], Longitude houses for determining difference in time between Wash. & Paris")
Naval Observatory, [Washington, D.C.], Longitude houses for determinin...
Public domain historic photograph of Washington DC, free to use, no copyright restrictions image - Picryl description
Naval Observatory. Main entrance of administration building, Naval Obs...
Photograph shows the administration building at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.
![Prof. Hall of Naval Observatory with 26 inch telescope, [Washington, D.C.], 8/18/24](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTUvMTEvMjUvcHJvZi1oYWxsLW9mLW5hdmFsLW9ic2VydmF0b3J5LXdpdGgtMjYtaW5jaC10ZWxlc2NvcGUtd2FzaGluZ3Rvbi1kYy04MTgyNC0xMDI0LmpwZw%3D%3D/40/28/webp "Prof. Hall of Naval Observatory with 26 inch telescope, [Washington, D.C.], 8/18/24")
Prof. Hall of Naval Observatory with 26 inch telescope, [Washington, D...
Public domain historical photo, free to use, no copyright restrictions image - Picryl description
Official portrait of Mrs. Lynne Cheney. Naval Observatory / David Bohr...
Title, photographer, and date from file header. Original file name: V11055-042.jpg.
NAVAL OBSERVATORY. TIME BROADCASTING INSTRUMENTS
Photograph shows instruments at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.
NAVAL OBSERVATORY. C.B. WATTS TURNING BACK THE CLOCK
Photograph shows C.B. Watts turning back a clock at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.
![To "shoot" the sun. Capt. Edward T. Pollock (left) and Capt. F.B. Littell, scientists of the U.S. Naval Observatory in Washington, will ha[...] charge of the expedition to observe the total solar eclipse of [...] sun from a giant dirigible, "Los Angeles" on Jnuary, 24th](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjUvMDEvMDEvdG8tc2hvb3QtdGhlLXN1bi1jYXB0LWVkd2FyZC10LXBvbGxvY2stbGVmdC1hbmQtY2FwdC1mYi1saXR0ZWxsLXNjaWVudGlzdHMtMTAyNC5qcGc%3D/40/30/webp "To \"shoot\" the sun. Capt. Edward T. Pollock (left) and Capt. F.B. Littell, scientists of the U.S. Naval Observatory in Washington, will ha[...] charge of the expedition to observe the total solar eclipse of [...] sun from a giant dirigible, \"Los Angeles\" on Jnuary, 24th")
To "shoot" the sun. Capt. Edward T. Pollock (left) and Capt. F.B. Litt...
Picryl description: Public domain image of a portrait of a scientist, free to use, no copyright restrictions.
![Prof. Hall of Naval Observatory with 26 inch telescope, [Washington, D.C.], 8/18/24](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTUvMTEvMjUvcHJvZi1oYWxsLW9mLW5hdmFsLW9ic2VydmF0b3J5LXdpdGgtMjYtaW5jaC10ZWxlc2NvcGUtd2FzaGluZ3Rvbi1kYy04MTgyNC0xLTEwMjQuanBn/40/28/webp "Prof. Hall of Naval Observatory with 26 inch telescope, [Washington, D.C.], 8/18/24")
Prof. Hall of Naval Observatory with 26 inch telescope, [Washington, D...
Public domain photograph, 1910s-1920s portrait, American, free to use, no copyright restrictions image - Picryl description
Your binoculars could prevent this Loan your 6 x 30 or 7 x 50 Zeiss or...
Poster asking citizens to loan their binoculars to the Navy, showing a pair of binoculars and a ship sinking.
![Naval Observatory, [Washington, D.C., 8/18/24]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MjQvMDEvMDEvbmF2YWwtb2JzZXJ2YXRvcnktd2FzaGluZ3Rvbi1kYy04MTgyNC0xMDI0LmpwZw%3D%3D/40/28/webp "Naval Observatory, [Washington, D.C., 8/18/24]")
Naval Observatory, [Washington, D.C., 8/18/24]
Public domain photograph of large public building, square, free to use, no copyright restrictions image - Picryl description
U.S. Naval Observatory, Washington, D.C. during American Civil War
Photograph shows the Old Naval Observatory, Foggy Bottom, Washington, D.C. No. B1198. Original negative in National Archives Record Group 111: Records of the Office of the Chief Signal Officer, 1860-1985, Seri... More
![Naval observatory, [Washington, D.C.]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MTYvMDEvMDEvbmF2YWwtb2JzZXJ2YXRvcnktd2FzaGluZ3Rvbi1kYy0xMDI0LmpwZw%3D%3D/40/30/webp "Naval observatory, [Washington, D.C.]")
Naval observatory, [Washington, D.C.]
Public domain historic photograph of Washington DC, free to use, no copyright restrictions image - Picryl description
NAVAL OBSERVATORY. C.B. WATTS TURNING BACK THE CLOCK
Photograph shows C.B. Watts turning back a clock at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.
Naval Observatory. Exterior of Naval Observatory with dome
Photograph shows buildings at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.
Naval Observatory. Telescope house, Naval Observatory
Photograph shows the telescope house at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.
![[U.S. Naval Observatory, Washington, D.C.], engraving, Library of Congress](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4ODAvMDEvMDEvdXMtbmF2YWwtb2JzZXJ2YXRvcnktd2FzaGluZ3Rvbi1kYy0xLTY0MC5qcGc%3D/40/22/webp "[U.S. Naval Observatory, Washington, D.C.], engraving, Library of Congress")
[U.S. Naval Observatory, Washington, D.C.], engraving, Library of Cong...
Wood engraving shows groups of people standing on the lawn and sidewalks at the front entrance to the Old Naval Observatory, Foggy Bottom, Washington, D.C.
U.S. Naval Observatory, Washington, D.C.
Photograph shows a man looking through large telescope at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C. Copyright by Waldon Fawcett.