Explains methods of applying current. (2500 w.) (77819 A)


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    Title :

    Operating railway selectors without batteries


    Additional title:

    Tel Engr


    Contributors:
    Wray, J.G. (author)

    Published in:

    Publication date :

    1917


    Remarks:

    Ills.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Holographic spectral selectors [3294-30]

    Semenova, I. V. / Reinhand, N. O. / SPIE | British Library Conference Proceedings | 1998


    Railway car batteries

    Tracy, J.H. | Engineering Index Backfile | 1938


    Railway operating associations

    Allen, W.F. | Engineering Index Backfile | 1909


    Railway operating efficiency

    Engineering Index Backfile | 1935


    Railway operating efficiency

    Engineering Index Backfile | 1932