Sky Watchers of Ages Past.

A short, interesting book about ancient astronomers and their instruments, which could be quite accurate because of very long sighting lines.



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Sky Watchers of Ages Past.
Weiss, Malcolm E.
/Eliza McFadden, illustrator.
Boston: Houghton Mifflin Co., 1982, 1st printing; black cloth boards, blue jacket, blue, brown and red jacket, 8vo; 84 pp.
Juvenile hardcover.
CONDITION: Very Good with Very Good jacket; ex-lib, some marks; unclipped 7.95.
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