Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. (1905)
Hand, L. H. (Louis Henry), b. 1854 · Chicago, F. J. Drake & co. · leaf 116
pattern which will not draw in the ordinarymanner, also circular castings having projectionsof various kinds may be swept by having wood AND FOUNDRY PRACTICE 111 patterns of the projecting parts. To illustratethis is cited an instance of a casting which wasmade at the Frisco R. R. shops last winter… … the front of an engine, usually termed the smokebox door. It was required to cast hinges onthis door, together with some other minor projec-tions not necessary to illustrate. The first thingdone was to make, on apiece of heavy manila paper,a regular working drawingin cross-section of the re-quired…
Patternmaking · Founding
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