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Nelson Evening Mail, Volume XLII, Issue XLII, 17 September 1908, Page 2

Nature at present is unfolding to scientists many ot .utouatic water her secrots— many DivisEit. have been learnt, but still many remain to be discoveied. During the last few years rapid progress has been made, lt is interesting sometimes to observe what is being done in the more or less bypaths of scientific research. The world ha.-, been recently surprised by the construction of a scientific device which will betray the presence of an underground spring with remarkable uitallibilitv. This is particularly intestine at the present juncture. It will be remembi'red that a week or two ago Nelson was iriven several instances ot a remarkable faculty possesed by the 1 Rev. H. Mason, of Otahuhu, for discoverins the existence of subteranean springs. The new invention apparently has something in common with Mr Mn.vm. The instrument is compact and - sinrole. and resembles in its appearance . and working a simple form ot compass or ealvanometer. Should any underground water supplies exist immediately below the insti unient then the needle commences to oscillate. As is well known, electrical currents of varying intensities are constantly flowing between - the earth and the atmosphere, and these currents are always strongest in the vi. cinitv of underground springs or streams, the flowing waters of which bocome charged with electricity to a eerl tain detrrce. It is in accordance with this scientific principle that this latest 1 scientific marvel is designed. The invention has been submtted to prolonged and most severe experiments hy both eneineers and scientists, and its accuracy haa excited considerable interest.