Inside Out Library
Complete catalog and price list (1900)
Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 184
1815 1818 Each 1815. Triangle Celluloid Protractor, 30x60 deg., 5 in., div. to 1 deg $ .50 1816. Triangle Celluloid Protractor, 30x60 deg., 6 in., div. to 1 deg 60 1817. Triangle Celluloid Protractor, 30x60 deg., 7 in., div. to 1 deg 70 1818. Triangle Celluloid Protractor, 45 deg., 5 in., div. to 1… … 1830-1834 1830. Semicircular, 4i inches diameter, 1 degree each, $ .60 1831. Semicircular, 5i inches diameter, i degree each, .80 1832. Semicircular, 6§ inches diameter, J degree each, 1.00 1833. Semicircular, 7^ inches diameter, i degree each, 1.20 1834. Semicircular, 8i inches diameter, ^ degree…Engineering instruments · Drawing instruments
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