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 119
8120. Wooden Black Board Drawing; Set, consisting of 24 inch T square,36 inch straight < dge, 24 inch triangle, all divided to inches, and 15i^ inch protractor set, $5. 00 Black Boards. See 19,500, etc. SOLTMANNS PATENT SECTION LINER. … Soltmanns Patent Section Liner, in Case each, $2. 75 Consists of a rule deeply notched at every j^ inch on one and ^ inch on theother side, having brass ends with holes, to fasten the rule to the board withweights or tacks. The movable square is held to the rule by a metal arm ; toproduce uniform…
Drawing instruments
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