Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 176
FLAT BOXWOOD SCALES IN SETS … 1601 Nos. 1600 to 1602 have the same scale on both edges; one edge is divided and figured toread from left to right, and the other from right to left 1600. Set of four Boxwood Scales, 12 inches Divided i, i, ^, 1 inch to the foot per set, $ 4.30 1601. Set of eight Boxwood Scales, 12 inches. Divided…
Engineering instruments · Drawing instruments
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