25 YEARS AGO

Dominion, Volume 28, Issue 121, 15 February 1935, Page 10

25 YEARS AGO

Oil Fuel For Warships (From “The Dominion,” February 16, 1910.) The “Daily Mail” asserts that the British Admiralty, as the result of long secret trials, has decided to substitute oil fuel for coal. , * * * i As a result of wireless discoveries, reported from,Adelaide, that the use of certain radio-active * ore greatly facilitates transmission, the chief electrical engineer of the Postal Bureau expects an important development in the direction of perfecting transmitters and receivers and improving the large of “wireless.” [The exact use to which the ore was put is not indicated, but a footnote' to he cablegram states that in the British Admiralty proceedings against :• draughtsman alleged to have obtained secret information, “the .evidence showed that in connection with some improved types of detector, certain minerals were used. One of the instruments.found in defendant’s possession was a galena (lead ore) detector.” Detectors of that type, then apparently tlie must advanced development, have for years been obsolete in all but the most primitive receiversjx

The Wellington City Electrical Department has imported for trial and demonstration purposes a vacuum cleaner o£ a type not before - seen in New Zealand. Besides superseding the sweeping brush and duster, it may be used for generating formalhyde gas and other disinfectants.