For purpose of specification, electric lamps for railway signaling are classified as follows; (a) lamps for voltages of 100 and over, and (b) lamps for voltages up to and including 24 v.


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    Title :

    British standard specification for electric lamps for railway signalling (revised jan 1939)


    Additional title:

    Brit Standards Instn -- Brit Standard Specifications



    Publication date :

    1939


    Size :

    26 pages


    Type of media :

    Standard


    Type of material :

    Print


    Language :

    English