Inexpensive hand-held source of infrared energy is provided by a flashlight bulb coated with a paint which filters out the visible light emitted by the bulb and transmits only infrared radiation. This device can be used for checking infrared sensors and for experimental purposes.


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    Title :

    Inexpensive infrared source improvised from flashlight


    Publication date :

    1966-03-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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