Instrument in observatory
MacMillan, Donald Baxter
silver gelatin on nitrocellulose
Greenland Image
Sun compass used on Bowdoin
Albert Holt Bumstead
scientific equipment
Brass Chelsea Ship's Bell Clock, with key
Chelsea Clock Co.
brass
United States scientific equipment
Ship's clock marked S.S. PEARY from a 2-ship expedition in 1925
Chelsea Clock Co.
United States scientific equipment
David Nutt taking a bearing
Nicholas Dean
photographic print on paper
20th century Canada image
Dick Backus and the anemometer
Nicholas Dean
photographic print on paper
20th century Canada image
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