Submarine Periscope manual, look at this complex apparatus, Wow!:
Edited by actionhac, 13 March 2018 - 11:16 PM.
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Posted Yesterday, 08:46 AM
About ten years ago, my friend and I were at an auction, and he bought the “unwanted” box of stuff for a dollar. Inside the box was an old astronomy textbook that he gave to me. I think it’s pretty interesting and you may too. Some photos of some of the most interesting things inside:
Posted Yesterday, 08:48 AM
Edited to add: Besides the sky maps that are inked in blue, this is the only colored page in the book.
Edited by punk35, Yesterday, 09:05 AM.
Posted Yesterday, 08:49 AM
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Posted Yesterday, 10:41 AM
Wow. My house was only a year old when that was published.
Posted Yesterday, 08:07 PM
Super cool book. The author is apparently not related to one of the wildest women in American history by the same name.
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