Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 187
its exit throughthe other terminal. The armature is at-tracted, and the point, P, fixed thereto drawsback the spring from the rod, T1, and inter-rupts the current ; but at the moment atwhich the point touches the spring, andbefore the latter has been detached from therod, T\ the electro-magnet… … 441. PRINTING TELEGRAPH. The type wheel, /, driven byclockwork mechanism from the spring barrel, is placed on a shaft con-centric with the ratchet, k, which iscontrolled by pallets of the escape-ment, / /, attached to the per-manently magnetized armature, m,vibrated by alternating currentsthrough…
Mechanical movements
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