Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 187
1858 1858. Circular, German Silver, i degree, 8 inches diameter, vernierreading to 1 minute, with clamp screw, micrometer adjustment screw to vernier and magnifying lens each, $23.00 Morocco Case, silk velvet lined, for No. 1858 each, 5.00 … 1860. Protractor or Station Pointer, German Silver, three arm, 6iinches diameter, arms 9 inches long, and extension pieces tolengthen to 17i inches. Divided -} degree, two outer arms withverniers reading to 1 minute, with magnifying lens. In ma-hogany case each, $80.00 180
Engineering instruments · Drawing instruments
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