Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1255
Fig. 547d. c. generator panels 1226 Steam Engineering … Fig. 548rear view of fig. 547 Switch Boards 1227 The best practice puts a main switch at the machine,so that the cables from machines to board may be cut offfrSin generator. It is also good practice to run the equal-izer cable along in ducts from machine to machine withoutcarrying it to the board.…
