If you’ve spent some late nights CADing your next model for the 3D printer, you might find yourself asking for a third hand: one for the part to-be-modeled, one for the tool to take measurements, and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This metal instrument consists of a ...

MESSRS. E. R. WATTS & SON, LTD., 123 Camberwell Road, London, S.E.5, have designed and introduced a new type of bevel gauge which should prove a most valuable tool in the engineering workshop for the ...

Carpenters, plumbers, roofers and other tradesmen looking for an all in one measuring, combination square with bevel, protractor digital level and speed square carpentry tool may be interested in a ...

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Brown & Sharpe Manufacturing Co. introduced a "universal bevel protractor" in 1899, according to "Trade Notes," Science and Industry 4 (1899–1900): 274–275. Although there is no signature on this ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...