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Descriptive catalogue 1914 : Frost & Adams Co. importers and dealers in artists' materials, architects', engineers' draughtsmen's supplies, mathematical instruments and pyrography requisites. (1914)
Frost & Adams · Frost & Adams · leaf 315
11. uo 59 1 No. 592.593. Protractor, 8 inches diameter, % circle, % degrees. and Vernier reading to one minute Protractor, 10 inches diameter. % circle % degree-and Vernier reading to one uiimu-e . each, |14.50 i« 18.00 … No. 594.595.590. 5<>4 Protractor. 5li inches diameter, whole circle, K ProtTrTo5; aft e.ruier reading to three minutes . each, |14.00Protractor, 8 inches diameter, whole circle, % degrees, and Vernier reading to one minute . 16.25Protractor, 10 inches diameter, whole circle, % degrees, and…Artists' materials · Drawing instruments · Paint
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