Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 178
428. ELECTRIC REVOLV-ING CRANE. 150 tons hoistingcapacity. Erected by the NewportNews Ship Building & Dry-dockCo. A lifting and revolving cranethat has been built on the mostmodern principles in mechanicalconstruction for compactness andefficiency. … 429. ELECTRO-MAGNETIC TRACK BRAKE. The track-brake shoe is placed between the two pairs of wheels, and, instead of being forced upon therails through an effortfrom the car, is drawnto the rails by an elec-tro-magnet suspendedfrom the car, thereby notmerely adding its fric-tion to the…
Mechanical movements
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