Electrical equipment on movable bridges

Electrical equipment on movable bridges

4.11 - 1251 ratings - Source

limit relay magnet against the pull of a spring (or a weight or another relay coil), and as the motor speeds up the power current ... necessary for a proper regulation and control of motors; Selection of equipment, wiring, and arrangement will be considered later. ... Locking the leaves. ... This diagram shows buttons for shortcircuiting the switches controlled by warning devices, so that the gates ELECTEICALanbsp;...

Title:Electrical equipment on movable bridges
Author:Condé Balcom McCullough, Albin Leroy Gemeny, William Roy Wickerham
Publisher: - 1931


You Must CONTINUE and create a free account to access unlimited downloads & streaming