Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 877
ft. The shaft is now put into alathe, and the coupling is faced ; that is, the faces of thecoupling which are to be bolted together are turned, so that they are perfect planes, at right anglesto the shaft. The bolt-holes on the two portions should correspond exactly. They are therefore drilledon a…
Mechanical engineering
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