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
L>^ pp^ … 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.
Drawing instruments
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