Price list of drawing materials, architects and engineers, supplies, blue process papers, etc (1886)
Soltmann, E. G., New York. [from old catalog] · New York, Holt brothers · leaf 121
8320. Positive Section Liner, with heavy weights to place on any part of the drawing without injuring it .T each, $7.50 118 E. G. SOLTMANN - NEW YORK. DOTTING … INSTRUMENT. No. 8400. 8400. Dotting Instrument, with extra Wheels. in Case, each, $3. 25 By pre?sing the metal edge against the ruler, the round notched wheel restson the latter. The movement of the wheel causes the pen to rise and fall, thusproducing the dotted lines. The wheels are variously…
Drawing instruments
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