https://digitalcollections.syr.edu/Documents/Detail/american-book-company-production-plate-03296-scales-weights-magnets/27492
American Book Company Production Plate 03296: Scales, Weights, Magnets - Syracuse University...
American Book Company Production Plate 03296: Scales, Weights, Magnets, 1801-1971, Publisher's production plates, Figures (illustrations), American Book...
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