A catalogue and price-list of drawing instruments (1892)
Alteneder, Theodore & sons, Philadelphia. [from old catalog] · [Philadelphia, T. Alteneder & sons] · leaf 36
otractors. Each instrument is stamped 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 fine, disti7ict and accurate. Our Protractors are… … Half Circle, Plain. 150 German Silver Protractor, y2 Circle y> Degrees inside Centre, 5 inches, £3 00 151 German Silver Protractor, y2 Circle y2 Degrees inside Centre, 6 inches, 4 00 152 German Silver Protractor, 3^ Circle ^ Degrees inside Centre, 7 inches, 5 00 153 German Silver Protractor, ^…
Drawing instruments
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