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There is a page named "Talk:William Miller Sperry Observatory" on Wikipedia
- 124 bytes (0 words) - 13:03, 4 February 2024
- expedition groups. A group of amateur astronomers from the William Miller Sperry Observatory in Cranford New Jersey was led by Roger Tuthill. Over a hundred...1 KB (200 words) - 15:39, 23 January 2024
- product line shifted from tabulating equipment and time recording devices to Sperry and Norden bombsights, Browning Automatic Rifle and the M1 Carbine, and...134 KB (19,314 words) - 16:50, 10 November 2017