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file U (Stack)Ionides, S. A.
"Some Astronomical Instruments"
part of "Caesars' Astronomy" (uncut proof - pp. 369, 370, 383, 382, 381, 384 [binding no. 24]). Presented by the author along with "Medieval Astronomical Constants" [hence 1934/35; published 1936]. Presented by the author
[Unknown]
1936