US Naval Observatory
Page 1, 2
In 1874 and 1882, the US Naval Observatory
multiple teams to
time the transit of Venus with the aid of photographic equipment.
Expedition photographs reproduced here are in the collection of the US Naval
Observatory Library. These photos are not necessarily listed in any
of Venus party at Old Naval Observatory 1874, and instruments; Expeditions;
of Meridian Transit
"Japan 1874 -D."
of Japan Photographic Hut..."
room of photographic house ventilator"
Photograph Measurer in Interior of Admiral's Office. Negative of Sun
leaning against books."
Kerguelen heliostat, clock, and pier. In the distance this Crozet's (?) &
Siberia transit houses with doors open."
Zealand heliostat & clock; photographic lens 40 ft. focus; flat mirror; iron
piers filled with sand."
Zealand photographic lens; flat mirror, heliostat, and driving clock. In
the background the Chatham heliostat. On the right two transit houses."
"Chatham Photographic House; New Zealand Photographic House, Kerguelen
Photographic House; Siberia Transit House; Crozet's Transit House; Kerguelen
Transit House; Dome of 26-inch refractor."
of Venusia! from N.W.; New Zealand photographers in foreground."
of two transit and photographic house from roof of observatory...Shows framework
for covering over ground between Kerguelen photographic lens and photographic
house. To be double boarded. Experimental tube in situ."
of the 8 equatorial houses. 10-inch Transit-circle room & 9-inch equatorial
dome in the distance."
Equatorial houses with square revolving domes."
of Equatorial houses and packing up in Equatorial."
|1. Admiral Davis
||4. Prof. Peters New Zealand
|2. Prof. Newcomb
||5. Prof. Hall Siberia
|3. Prof. H. Draper
||6. Capt. Raymond- Crozets
"Part of the Personnel- The 26-inch equatorial of the Naval Observatory in
"The New Zealand party and ex officio members."
|1. Mr. Phillips, chief photographer
||5. Lieut. Bass, assistant astronomer
|2. Prof. Peters, chief of party
||6. Mr. Aymi (?) 3rd assistant photographer
|3. Adm. Davis, President of Commission
||7. Mr. Pierson, 2nd assistant photographer
|4. Prof. H. Draper Sup. of Phot. depart.
||8. Mr. Russell, 1st assistant photographer
and New Zealand Transit houses in foreground on left. 10-inch Transit
circle [??] and 9-inch equatorial dome. Crozet's Transit house in distance
of Transit, Photographic & Equatorial Houses from roof of Naval
of Equatorial house showing tripod stand."
of Washington Naval Observatory in the East. Equatorial houses from the
Mitchell's Equatorial which resembles the (Venus transit) equatorial. View
taken in the interior of the 9-inch Equatorial dome; shows also the Observatory
Transit-instrument in its house."
Observatory from the North."
Observatory from the North."
Observatory from the North-west."
Y.- Encampment of the U.S. Transit of Venus Party, on Wangoroa Bay, Chatham
Island, December, 1874.
"QB512 no.1 ST 3 of 4"
"View in Venusea from the roof of the observatory."
"Is this S Newcomb's little joke? Does it mean just the ground
covered by apparatus for observing Transit of Venus."
"QB512 no.1 ST 1 of 4"
"Fig. 8 The heliostat and object glass"
"1874- Transit of Venus Equipment, Old Observatory, (temp eq)"
Slide moved a
trifle little slow and perhaps a trifle
"Mirror and objective dusted off. Plumb line all right."
of the Transit of Venus Station at Santiago de Chile, 1882.
this evening are extremely steady..."
P. Todd of Amherst College Observatory writes Asaph Hall about the duplicate
records of observations of the Transit of Venus, 1882, from the Lick
of plumb-line wire used at the Lick Observatory, 1882.
of the Transit of Venus made at the Lick Observatory, by David P. Todd.
the compliments of Professor Todd..."
list for Lick Tr. of V. negatives"
have we concluded the sun photos at this Station and commence to pack for