Johnston, Philip Devereux, 1855- · New York, D. Williams Company · leaf 140
, as shown, or it can be drawn elsewhere outsideof the wheel to a large scale. The letter f showswhere the wheel is to be machined. That is, the hub isto be bored and faced on both ends, and the outside isto be turned on the outside and crowned, also is tobe faced on both edges or sides. The… … BAND FLY WHEEL. 134 A MANUAL OF MECHANICAL DRAWING. Plate 48 shows what is known as a disc crank for asteam engine, with crank pin and part of shaft. Draw first the vertical centre line and then the hori-zontal line for centre line of shaft, and parallel with it,and 12 apart, another centre line…
Mechanical drawing
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