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If you have a .005 mfd, or • a .001 mfd. ' condenser on liand, try connecring it across the telephones 111 your -short-waver. it may assist sinooth control. * * * One unexpected effect of the coming of the screened- grid valve has been to popularise frame ' aerial circults ' which formerly were not satisfactory on account of troublesome H.F. amplification * * * If a whistle is heard when the tuning condenser is moved to either side of the "silent point," too much reaction is being employed. 4* v "When connecting up voltmeters, ammeters, etc., remember that they are . 'marked for polarity and should always be connected the right way round. As an H.T. battery tends to recover a. littfe when not in use. voltage teste should be made after it has been working a little while, or the reading may be -misleading.
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https://paperspast.natlib.govt.nz/newspapers/DTN19291011.2.21.7
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Daily Telegraph (Napier), Volume 58, Issue 215, 11 October 1929, Page 4
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139ODDS AND ENDS Daily Telegraph (Napier), Volume 58, Issue 215, 11 October 1929, Page 4
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