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Old 5th April 2016, 08:44 PM   #8
kahnjar1
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Join Date: Aug 2007
Location: CHRISTCHURCH NEW ZEALAND
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Hi Fernando,
The "system" of dots on your scale is similar to the "system" on old opium scales. Also the sliding weight idea is similar. I guess we can only surmise as to the graduations, or where these scales originated.
Stu.
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