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 386
o anyone whodoes much pen-work, and some of our customers havefound the graduated screws here illustrated to be prac-tically efficient in this respect. We will furnish any ofour instruments with such a graduated screw for 10 centsadditional, and when desired it should be specified thus: No. 1615… … FROST & ADAMS COMPANY, BOSTON AlTEXEDERS Sprixg-hixge Rulixg Pen. Each instrument i^ stamped with the trade-mark T. A. & Pat. Aug. Qth, 02 ; May 7th. 95. THE Spring-hinge Pen consists of one fixed and one movableblade. The shank of the latter is accurately fitted to agroove in the former,…
Artists' materials · Drawing instruments · Paint
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