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 1330
aker.It may be automatic or non-automatic, and may be placedon the back of the switchboard, or arranged for distant con-trol through rods and levers. Through a very simple system of levers, the operatinghandle is connected to a cast-iron cross bar, to which are Oil Switches 1301 fastened the… … Fig. 607i type b westinghouse oil circuit breaker pole of the breaker. Each stationary contact is supportedby a porcelain insulator^ rigidly secured to the frame. Theleads are brought to the terminals of the stationary contactwithin the insulator, forming an unbroken and continuous 1302 Steam…
