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THE WIRELESS SYSTEM.

■ 9 LECTURE BY MR. J. R. HULBERT. An interesting lecture was delivered last night at the Auckland Wireless I Club rooms, Swanson Street, by Mr. G. R. Hulbert. He dealt with tfie important matter of wireless telephony. Mr. Hul'bert, after referring to the great value of wireless at sea, described the set suitable for receiving the broadcasting. He recommended the three coil set, for whioh, being approved hy the Poet Office authorities, a permit cohld be easily got. The lecturer said the aerial should 'be about 60 feet long, and as high as,possible, while the ground wire should be run from the water piping. This, he said, should be heavy wire, and as short as possible. Explaining the action of the receiver, Mr. Hulbert said the oscillating circuit sent out by the broadcasting stations, was conducted hy the, aerial, anel conducted through the primary coil, which was tuned by the variable condenser passing to the earth. The.lecturer laid special stress upon the importance of the coils being in tune with one another, and also with the broadcasting station. Mr. Hulbert iavoured hard valves for ordinary reception, which, though perhaps not quite so sensitive as the soft variety, were less critical.

Permanent link to this item

https://paperspast.natlib.govt.nz/newspapers/AS19230615.2.116

Bibliographic details

Auckland Star, Volume LIV, Issue 141, 15 June 1923, Page 7

Word Count
203

THE WIRELESS SYSTEM. Auckland Star, Volume LIV, Issue 141, 15 June 1923, Page 7

THE WIRELESS SYSTEM. Auckland Star, Volume LIV, Issue 141, 15 June 1923, Page 7

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