Uploaded December 2020 | Updated September 2026, 4 hours ago
US&S semaphore motor working as a Dynamo spinning and on the line with the bus alive, as mister Lobenstein so often says. Machine is self-excited in shunt with a field rheostat to control the excitation, and I have put a bus voltmeter, ammeter and field ammeter on the system.
US&S semaphore motor working as a Dynamo spinning and on the line with the bus alive, as mister Lobenstein so often says. Machine is self-excited in shunt with a field rheostat to control the excitation, and I have put a bus voltmeter, ammeter and field ammeter on the system.










