Catalogue. A.H. Abbott & co., manufacturers and importers of mathematical and surveying instruments and drawing materials of every description .. (1896)
Abbott, A. H., & co., Chicago. [from old catalog] · [Chicago] · leaf 111
POCKET RULES FOR ENGINEERS. No. 809.810. 811. 812. 813. 814. 815. 816. 817. 818.819. 820. 821. … Each.Pocket Rule, 4 feet, 8-fold, divided both sides inches and yV-hs, $0 25 The same, but divided one side inches and jVths, and other side meter and millimeters 25 The same, 2 feet, 4-fold, divided both sides inches and yVths, or one side inches and xVths and other side millimeters 10 The same,…
Drawing instruments
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