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 643
re attached to thebarand revolve with it. so that they are always equallyaccessible. Improved Tangent Screw of GermanSilver with Counter Spring. Instrument completewith adjusting Tins, Water Proof Cover, etc., in fin*Polished Mahogany Box, and with Tripod . each. flOO.nn BOOT. Y Level like r.nu:.,… … \ > o a - 2 FROST & ADAMS COMPANY, BOSTON 64 ENGINEERS Y LEVEL5010. Engineer* Y Level, Achromatic Terrestrial Telescope, is inches, with Dust Cap and Sun Shade, ObjectGlass \}i inch.with Improved Rack Movement. Eye-piece with Patent Micrometer focusing arrangement.Fine, sensitive Graduated…
Artists' materials · Drawing instruments · Paint
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