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New Rysii.— Goid has boep, discovered j> in the Upper Wairau Valley, about 30 miles from Blenheim. Some 40 miners are at work, making from 16s. to 20s. per day. A rush is deprecated. Experts s con- . i , sider that with the first heavy rains the diggings will be flooded, and the works carried away. A New Use for the Telephone.— ln the United States a series of experiments has been made by the Ordnance Department in the use of the telephone to assist : in determining the timq of flight of sipailanp projectiles, which has hitherto been a matter ,of great difficulty at. long -ranges, owing to the impossibility of seeing them strike. One telephone was placed, within . a few feet of thejg'un, : And the other (both ' being provided with Blake’s transmitters) ; in the shelter, about 30ft. in front of the : target. The -telephone being/placed; ip the ear, a stop-watch, beating, second, was started, at the moment ing, and stopped on. the,bullet striking!/ The observations-founded on a large numVfV ber of experiments never differed'; more than a quarter or half of a second from , each other, the slight delay in starting thV ” watch being neutralised by the delay ,in : stopping it. It was found that the time. • of transit was affected by the wind, being u shortened by.a,rear;and lengthened by.iarihead wiud. -. , ' - > ; .1

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Bibliographic details

Ashburton Guardian, Ashburton Guardian, Volume 1, Issue 72, 11 March 1880

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Ashburton Guardian Ashburton Guardian, Volume 1, Issue 72, 11 March 1880

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