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 80
No. 427 Each. 427. Pocket Case, containing compass, h% inch, with handle, pen,pencil, fixed needle point and lengthening bar.Hairspring dividers, b% inch, with handle, round points.Steel spring bow dividers, 2>% inch, German silver handle.Steel spring bow pen, 3^ inch, German silver handle.Steel… … 428. Pocket Case, containing compass, 5J£ inch, with handle, jointin each leg, pen, pencil, fixed needle point and lengthen-ing bar. Hairspring dividers, hl.> inch, with handle, round points.Steel spring bow dividers, Xl> inch, German silver handle.Steel spring bow pen, \\}4 inch, German…
Drawing instruments
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