File:South lawn, U.S. Naval Observatory, Spring 1874. Transit of Venus teams LCCN 93516258.jpg

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English: Practice for the transit of Venus on the grounds of the old Naval Observatory, 26-inch refractor building in the background. Rear Adm. C. H. Davis standing next to photoheliograph at left. In front of him are Prof. Henry Draper, Prof. C. H. F. Peters, Prof. J. R. Eastman (holding notebook), and Prof. Simon Newcomb (seated). In front of ladder is Prof. Asaph Hall (tall man wearing hat)
Date Spring 1874
Source South lawn, U.S. Naval Observatory, Spring 1874. Transit of Venus teams
American expeditions of 1874 and 1882
Lantern Slide 65
Spring 1874
Author J. F. Jarvis, Washington, D.C.

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Date/TimeThumbnailDimensionsUserComment
current22:45, 13 January 2024Thumbnail for version as of 22:45, 13 January 20241,536 × 1,155 (480 KB)Maliepa (talk | contribs)Uploaded a work by J. F. Jarvis, Washington, D.C. from [https://www.loc.gov/item/93516258/ South lawn, U.S. Naval Observatory, Spring 1874. Transit of Venus teams]<br>[https://articles.adsabs.harvard.edu//full/2005tvnv.conf..100D/0000105.000.html American expeditions of 1874 and 1882]<br>[https://www.usno.navy.mil/USNO/library/historical/historical-images-search/images/lantern-slide/lantern-slides/LanternSlide065.JPG/view Lantern Slide 65]<br>[https://books.google.com/books?id=3XTvAAAAMAAJ&pg...

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