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 49
FINEST SWISS INSTRUHENTS. … 213 211 215 216 217 219 220 No. Each. 214:. Railroad Pen, with ivory handle.. b12 inch $3 50 215. improved. b12 inch 3 75 The improvement of this instrument consists in having both pens bentin the same direction, and therefore lines can be drawn againststraight edges and rules as perfect as with a…
Drawing instruments
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