WEIGHING A PENCIL MARK
Beales are now made of such a nice ad j ustment that they will weigh anything, to the smallest hair pluoked from the eyebrow. They are triumphs of mechanism, and are enclosed in glass cases, as the slightest breth of air would impair their records. The glass cases have a sliding door ,and as soon-as the-weight is placed in the balances the door . slides down. Two pieces of paper of equal weight can be placed in the scales, and an autograph written in pencil on esther piece will cause the ■ other to ascend, and the nee He which indicates the division of weight even to the ten-ihillionth part of a pound and less will' move from the perpendicular. ' A signature marks the Effective Advertiser) containing nine letters has V&vh weighed and proved to be two nrllgraramos, or the fifteen thousand five hurdrodth part of an ounce troy* i
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https://paperspast.natlib.govt.nz/newspapers/TAN18951228.2.13
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Te Aroha News, Volume XII, Issue 1796, 28 December 1895, Page 2
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152WEIGHING A PENCIL MARK Te Aroha News, Volume XII, Issue 1796, 28 December 1895, Page 2
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