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WESTON PRIMARY LAB STANDARD

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CWcollection's items10 of 48WW2 Japanese Lab StadardTRAVLER RADIO AC/DC
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    Posted 7 years ago

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    CWcollection
    (48 items)

    Metal plate reads
    WESTON LAB STANDARD ac dc ammeter patd dates 1895,1898 and 1913.
    These were used long before miniaturization was even thought of. It measures 15 x 14 x 5 inches ,weight about 40 lbs. meter scale is very long and has a mirror to help read the scale.

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