PRECISION BALANCE
Production In Peking (N.Z.P.A.-Reuter—Copyright) HONG KONG. Peking has produced a high-precision balance which records the weight of a pencil dot. Its margin of accuracy is said to be as fine as one-millionth of a gramme. To demonstrate this, two pieces of blank paper of identical weight were prepared. One piece was then marked with a pencil dot. The dot was found to weigh 0.0015 milligrammes. The heat caused by a touch of the hand increased the weight of the paper by 0.002 milligrammes.
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https://paperspast.natlib.govt.nz/newspapers/CHP19660623.2.46
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Press, Volume CVI, Issue 31093, 23 June 1966, Page 4
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85PRECISION BALANCE Press, Volume CVI, Issue 31093, 23 June 1966, Page 4
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This newspaper was digitised in partnership with Christchurch City Libraries.
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