The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 329
nd fiiction surfaces ; and as the screw has to move at a much greatervelocity than the engine, the adoption of one or other of these agentsis indispensable. Toothed wheels are very noisy, occasion consider-able loss of power from friction, and are very susceptible of injury;friction straps are…
Architecture · Civil engineering · Science
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