Science and Invention (1920-1931 Experimenter Publishing) Vol. 8 #6
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Published Oct 1920 by Experimenter Publications.$8.00
View scans- Staple rust. Cover wrap is detached from book. Foxing. Soiling. Moisture damage.
Volume 8, Issue 6 (Whole Number 90) - October, 1920. 8" x 11.5", 130 pages, B&W. Cover price $0.25.