Model engine construction, with practical instructions to artificers and amateurs (1894)
Alexander, John Henry. [from old catalog] · London, New York, Whittaker · leaf 138
whenthe strap will be found an exact fit on the pulley,and its action on the slide-valve perfect. It can befiled slightly all round on the inside, with a roundfile, as this makes it work more easily (see Fig. 38).Oil-cup. This is a casting, or else is turned andbored out of a piece of brass rod,… … f=~\ m ( \ 2~ < IA
Steam-engines · Machinery
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