Slide Rule Instruction Book (1950 Engineering Instruments) comic books 1950
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Published 1950 (est.) by Engineering Instruments.$23.00
View scans- Spine split 20%. Staple rust: Slight.
5.5" x 8", 32 pages, B&W.
$23.00
View scans
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5.5" x 8", 32 pages, B&W.