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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 296

An illustration from Descriptive catalogue of artists' materials, draughting papers, tracing cloth, and mathematical instruments., 1898, leaf 296
1742. 1742. Fullers Spiral Slide Rule, in mahogany box, each, ^28.00 Fullers Spiral Slide Rule consists of a cylinder which can be moved upor down and turned round a sleeve which is attached to the handle.A single logarithmic scale, 42 feet long, i.s wound round the cylinderspirally, and ratios are… … 1743. No. 1743. Charpentier Calculator, .... each, ^5.00 129c Frost & Adams Co., 37 Cornhill, Boston. The Char[)entier Calcuh-vtor is a circular Slide Rule, 2^^ Indies in(liaineter, with a circular slide which is revolved and set by the han<Ileas may be reciuired. Tliis iustruiiieiit reads…

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

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