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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 230

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox, 1914, leaf 230
844. ROAD BUILD-ERS LEVEL. —A drawtelescope, on a screw andswivel base, with arm andscrew for small adjustment.The bubble is directlyunder and in focus of theeyeglass, and is seen byreflection from a piece ofglass at 45 ° in the eyepiece. 845. Section through reflector and level. NAVIGATION AND… … 846. ROAD MACHINE,for scraping and levellingcommon roads. 847. REVERSIBLE ROADROLLER.—The tongue is at-tached to the frame that carriesthe drivers seat, and is bal-anced by the weight on therear arm. By unlocking thecatch the horses wheel aroundthe roller with the tongue andseat frame, and the…

Mechanical movements

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