Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 105
Figure 71 upper side and increases the arc of contact, as illus-trated in Figure 70, whereas a belt operating as that … Figure 72 shown in Figure 71, by its slack decreases its arc ofcontact with the pulleys. Whenever it is necessary toarrange belting as in Figure 72, it becomes necessary 104 Operating and Testing to keep the belts very tight. This is apt to result inhot bearings and also increases the amount of…
Electrical engineering · Electric testing
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