F and G type "Secomak" whistles, developed by Service Electric Co; F whistle was installed in Messageries Maritimes flagship, La Marseillaise, in 1950; smaller type G produced for use on diesel engined warship; principle is based on rotary type of siren, and all working parts are completely enclosed to protect them from moisture; sound rotor or impeller rotates inside stator. (See also Engineering v 175 n 4558 June 5 1953 p 735)


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    Titel :

    Marine electric for ocean-going ships


    Weitere Titelangaben:

    Shipbldg Shipg Rec


    Erschienen in:

    Erscheinungsdatum :

    1953


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Marine electric for ocean-going ships

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