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 65
he triangular spaces so obtained is rounded offboth at the top and at the bottom (Fig. 22), to avoid injury. The pitch of the smaller sizes of V threads is given 1 >y the tal >le: Diameter 4 38 i 5 8 34 7 8 1 Pitch 20 16 12 11 10 9 8 For square threads half this number of threads to the… … Fig. 19.Bolt and Xvt. (Page 43.)
Steam-engines · Marine engines
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