A NEW INSTRUMENT
Eight times as sensitive as a barometer! Such is the claim made for a new instrument that measures the altitude above sea level. French physicists have invented this efficient method, which involves heating a wire of resistance by passing an electric current through it. When a steady temperature has been produced, the wire, if moved upward, will become cooler owing to tho lessor density of the surrounding air. The instrument can be carried by climbers, the drop in temperature giving a more accurate index of the increase in altitude than the ordinary pocket aneroid used by mountaineers.
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Bibliographic details
New Zealand Times, Volume LIV, Issue 12660, 21 January 1927, Page 12
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100A NEW INSTRUMENT New Zealand Times, Volume LIV, Issue 12660, 21 January 1927, Page 12
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