Periscope enables viewing of weld joint from inside cylindrical duct to determine when weld penetration occurs. Supplies steady stream of inert gas to shield joint. Device used to calibrate and evaluate techniques for sensing weld penetration.


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    Title :

    Periscope For Viewing Weld Penetration


    Contributors:

    Published in:

    Publication date :

    1988-02-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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