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Early electro therapy device around 1.5 volt. +-1900 with conductors made from 18k gold

All items197467 of 244511Brush & plate. Brass and woodwhat is it  ?  what was it made for  ?
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    Posted 12 years ago

    Hansel
    (31 items)

    Recently discovered:
    Teak wooden device with glass for containing acids and carbon(?) rod

    Golden name plate (1.6 gr) says 'J.A.F. Best instrumentmaker Leeuwarden' (The netherlands)
    Dimensions (without steel handle)
    Height: 11.5cm
    Witdth: 13cm
    Depth: 13cm

    Materials:
    Bakelite, teakwood, steel, copper and gold. (18.2 gr in total)

    The two elements above the acid are made of gold.
    Betheath the name plate is a very tiny lkogo with a lightbulb the text says 'schutz marke' (Registered name in German)

    Alot of traces from using it on it. even on the golden name plate and inside of the case. Also the bottom side of the gold is deteriated from the acids used.

    It has 2 tiny locks, one of them 'hidden' Only visible when the case is opened.

    Anyone some more info?

    I also have this posted:

    http://www.collectorsweekly.com/stories/64658-walnut-mantel-clock-1780-silver-engrav

    Unsolved Mystery

    Help us close this case. Add your knowledge below.

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