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Category: London underground tube

  1. westinghouse brake signal seen under London tube seat

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    westinghouse brake signal london tube pounds pressure

    westinghouse brake signal london tube pounds pressure2

    I've seen this device under the London tubes which run via Liverpool Street station. These tubes are very old and are a bit worn out. I dont know what this device is but I spotted the following written on it:

    westinghouse brake signal

    pounds pressure per sq. inch

    So, it may be some kind of pressure measuring device.

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