Inside Out Library
Complete catalog and price list (1900)
Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 186
^TEC BRAND PROTRACTORS—Continued … 1850 1850. Semicircular, German Silver, i degree, 54 inches each, $ 7.60 1851. Semicircular, German Silver, i degree, 8 inches each, 10.00 1852. Semicircular, German Silver, i degree, 10 inches each, 13.50 Length of arm beyond outer edge of Protractors, 1850, 54 inches; 1851, 6 inches; 1852, 64…Engineering instruments · Drawing instruments
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