Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . 1x4 in. 1x5 in. 1 x 6 in. 1 x 8 in. 1 x 10 in. 1 x 12 in. 5138 Triangles, for embankments, of black celluloid. 3 in set, 6 slopes per set, $ 5139 Triangles, for embankments, of transparent celluloid, 3 in set, 6 slopes per set, n ^ 114 KOLESCII <fc bCO. ^K*% !NETT YORK. Loxograph Triangles.

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Keywords: ., bookcentury1900, bookdecade1910, bookidillustratedc, bookyear1917