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 1261
• Fig. 557 CONSTRUCTION OF FIG. 547 FOR LARGE CAPACITY Switch Boards 1233 shown in Fig. 561, while Fig. 562 has an in&tmment andswitch for each circuit. Fig. 563 gives the diagram of these feeder panels andFig. 564 gives the electrical connections. Boc^ £//«M. _-X4nr 1 ^o Alarm &^/t…
