2017
NZ4921 : Voltage regulator in control room of Tees Transporter Bridge
taken 7 years ago, near to Middlesbrough, England
Voltage regulator in control room of Tees Transporter Bridge
The current, and hence the speed of the winding drum, is varied by rotating the handle on top of the equipment bringing resistors in and out of series. A similar system was used to control early London underground trains. The equipment is now out of use and has been replaced by modern control systems to which there is no public access
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