Figure 3 shows a wiring diagram of the circuits involved in the control of a crossZaz/rmagnet? -Ind/ca//on F119. ... In testing the lock wire it is necessary to pick up the detector lock magnet by turning the latch on the switch lever. This closes theanbsp;...
Title | : | Railway Signal Engineer Vol 14 No 1 |
Author | : | |
Publisher | : | - 1921 |
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