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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 210

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 210
759^. ELECTRIC ESCAPEMENT, inwhich a positive motion is given to a clockfrom a central station by a detent and im-pulse action of the electric current. Thebell crank lever L, U and its arms T, Tare actuated by the electro magnet and al-ternately strike the pallets P, P moving theescapement one… … 759^. PNEUMATIC EMER-GENCY BRAKE.—Instantaneous ac-tion from air brake pressure on thepiston A, which is connected by ajointed rod to the levers E, E, throwsthe brake H in contact with the railwith great force. 204 ELECTRIC POWER AND CONSTRUCTION.

Mechanical movements

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