DELICATE SCALES
Domestic scales usually rneasur* quantities as small as a quarter of an ounce. Scientists have perfected a tiny instrument for micro-chemical work which is capable of weighing substances to one-fifteen-millionth, of an ounce. Instead of the customary set of weight! a weak magnet is used as counterbalance. Previous microbalances have been upset by ordinary vibrations, but the new appliance, though minute in size, is more stable, and is expected to prove invaluable in the analysis of complicated organic compounds.
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https://paperspast.natlib.govt.nz/newspapers/EP19380124.2.145.17
Bibliographic details
Evening Post, Volume CXXV, Issue 19, 24 January 1938, Page 14
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81DELICATE SCALES Evening Post, Volume CXXV, Issue 19, 24 January 1938, Page 14
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