WINE TESTING.
CURIOUS DEVICE. EXPERIMENT BY-TELEPHONE. French, experiments are now employing a somewhat curious winetesting device. By means of electric current linked up to a telephone the true characteristics of the win® are revealed. As soon as the wine is matured a few samples are taken at random. A tube is then filled with the liquid and placed in the circuit of a nearby telephone so that the current must pass through it; Wine .that is pure conducts Che current, with the result that sounds in the telephone are heard and interpreted. Should the wine be adulterated with certain chemical salts then the crurent has difficulty in passing through and the telephone interpretations are unsatisfactory. Different samples of genuine wine all conduct the current; more or less. In some cases the telephone sounds are perfectly audible, while other wines, all good in quality, produce softer sounds according to their make up. By an ingenious code of rules worked out the action of the electric current. on the instrument indicates if the wine is Mended, if it has crossed the sea, if it has been moved often for long distances, and how old it is.
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Hauraki Plains Gazette, Volume XXXIV, Issue 4614, 15 October 1923, Page 2
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194WINE TESTING. Hauraki Plains Gazette, Volume XXXIV, Issue 4614, 15 October 1923, Page 2
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