Mar 18 1927 n 3455 p 624-625: Selection of bulbs. Mar 25 1927 n 3456 p 681-683: Improvement of all-round luminous intensity by means of reflectors.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    The improvement of miners' electric lamps


    Additional title:

    Colliery Guardian


    Contributors:

    Published in:

    Colliery Guardian ; 133 , n 3455-3456


    Publication date :

    1927


    Remarks:

    8 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    Electric switch lamps

    Zane, W.F. | Engineering Index Backfile | 1936


    Miners' exhibit

    Engineering Index Backfile | 1939


    Electric lamps for railway signals

    Beggs, E.W. | Engineering Index Backfile | 1933


    Electric lamps for railway signals

    Beggs, E.W. | Engineering Index Backfile | 1933


    Miners' handlamp bulbs

    Engineering Index Backfile | 1930