41 Free Images of United States Naval Observatory

cc-zerohistoryhistoricalarchitecturetelescopes containing lenses ground by alvan clark & sonsalvan clark1873 works in the united statesinsided.c.,media needing categories as of 2 june 2021
John Q. Adams
photographs of john quincy adamswet collodion
USNOMuseum10391
self-published workcc-zero
GillissLibrary
self-published workcc-zero
USNOPortrait
self-published workcc-zero
USNOTour
self-published workcc-zero
USNOComps
self-published workcc-zero
USNO1
self-published workcc-zero
SIXUSNO
self-published workcc-zero
USNOClock9
self-published workcc-zero
USNOMuseum
self-published workcc-zero
USNOClock
self-published workcc-zero
USNOClock5
self-published workcc-zero
HallAward
self-published workcc-zero
SixInchTransit
self-published workcc-zero
Hygienic Lab at the Naval Observatory grounds
monochromewater
USNOLibPics
self-published workarchitecture
USNOLibOffice
architectureinside
USNOLIBSPIRAL
architectureinside
USNOLibChan
self-published workarchitecture
USNOLib
architectureinterior
USNOHallway
lightdark
USNO Refractor 1904, Alvan Clark, circa 1904
united states naval observatory1873 works in the united states
US Navy 030826-N-9593R-043 Personnel at the U.S. Naval Observatory in Washington, D.C., prepare the facility's historic 26-inch refractor telescope for optical viewing of Mars, Alvan Clark
united states naval observatory1873 works in the united states
Cheney's dogs dressed for halloween
halloween costumes in the united statesdogs wearing halloween costumes
Naval Observatory Astronomer Using 12-inch Alvan Clark Telescope, 1892, Alvan Clark
telescopes containing lenses ground by alvan clark & sonsunited states naval observatory
Naval Observatory LCCN2016819513
historicalhistory
Usno-telescope-equalized-1, Alvan Clark
united states naval observatory1873 works in the united states
Standard clock, Naval Observatory LCCN2016820980
historicalhistory
Naval Observatory LOC npcc.00094
historicalhistory
Naval observatory, (Washington, D.C.) LCCN2016825844
historicalhistory
Naval Observatory tran(...) clock, switchboard & chronograph time rec. LCCN2016820982
historicalhistory
Adm. Bldg., Naval Observatory LCCN2016820981
historicalhistory
428-GX-K-121166 (24194578810)
historicalhistory
USNO26in-2, Alvan Clark
united states naval observatory1873 works in the united states
Herter Founders of the National Academy of Sciences 1924, Albert Herter
albert herteraestheticism
Telescope at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.) - copyrighted and photographed by Waldon Fawcett LCCN89714236
historicalhistory
Telescope at the United States Naval Observatory, 3450 Massachusetts Ave. N.W., Washington, D.C.) - copyrighted and photographed by Waldon Fawcett LCCN89714230
historicalhistory
LendBinoculars
historicalhistory
One-legged man on crutches and instrument, with clock above reading 12-00, at the United States Naval Observatory, 3450 Massachusetts Ave., N.W., Washington, D.C.) - copyrighted and LCCN89714234
historicalhistory
Arizona Trail: Anderson Mesa AZT-30
backpackgrass
Arizona Trail: Anderson Mesa AZT-30
springgrass
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