The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 164
enses—the chief object being tothrow all its available power into direct action, without the interven-tion of gear-work. Its projector, Mr. Richardson, says, that to causerotary machinery to reverse, it is usual to introduce bevelled gear—all gear-vfork creates friction—friction loss of power,…
Architecture · Civil engineering · Science
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