Electrical tables and engineering data; a book of useful tables and practical hints for electricians, foremen, salesmen, solicitors, estimators, contractors, architects and engineers (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 21
S AND DATA 19 Holes should be punched as nearly as possibleaccording to the following table: TABLE IIWidth of Belt 2 to 6 to 12 to 18 to Distance from edge of belt— 6 in. 12 in. 18 in. 24 in. First row i § J 1 First row i f j 1 Second row | 1 IJ IjJ Second row 1 H 1^ 2 Distance apart of each row of… … Figure 1.—Method of Belt Lacing. of pulleys and multiply by 1.57; to this add 2 timesthe center-to-center distance. The length of beltingcontained in a roll can be found by reference toTable III. Multiply number of layers in roll bynumber found where outside diameter of roll anddiameter of hole in…
Electrical engineering
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