Elementary lessons in steam machinery and the marine steam engine, with a short description of the construction of a battleship (1893)
Langmaid, Joseph, Gaisford, H · London, New York : Macmillan · leaf 103
Fig. 41.—A Pair of Toothed Wheels. 83 lesson- vin TOOTHED GEARING 85 may always be conceived to exist, and are called the pitch circlesof the wheels in question. They are represented by the dottedlines in Fig. 41. So much of the tooth as lies within the pitch circle is calledits root or Jtanlc, and…
Steam-engines · Marine engines
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