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Descriptive catalogue of artists' materials, draughting papers, tracing cloth, and mathematical instruments. (1898)

Frost & Adams Co. · Frost & Adams Co., Boston, Mass. · leaf 276

An illustration from Descriptive catalogue of artists' materials, draughting papers, tracing cloth, and mathematical instruments., 1898, leaf 276
rotractors. Each instnimeut is sUmced T. Alteneder, Phila. The requirements of a. Protractor are that it shall be light and handy,and, at the same time, so stiff and strong that it will retain its shape; and,above all, that its graduations shall be ^ne, distincf and accurate. Our Protractors are… … Half Circle. Plain. 150 German Silver Protractor, ^ Circle ^ Degrees inside Centre, 5 inches, $3 00 151 German Silver Protractor, ^ Circle i^ Degrees inside Centre, 6 inches, 4 00 152 GermanSilverProtractor,^ Circle^ Degrees inside Centre, 7 inches, 5 00 153 German Silver Protractor, i^ Circle ^…

Artists' materials · Mathematical instruments · Trade catalogs -- Artists' materials · Trade catalogs -- Mathematical instruments

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