Useful Hints
WHEN joining up a flexible wire to} the terminal on the top, of thei bulb of a screened grid valve, remem-' ber that the thread on the nut should not: be strained by tightening with pliers, as a good finger-tight connection is quite satisfactory. O not destroy the leaflets and instruction charts which you may get from time to time when purchasing components. Use a drawing-pin to hold them all inside the lid of the set, where they will always be easy to find and may prove invaluable if you decide to alter the circuit in some way. WHEN a fixed condenser is connected in series with a variable condenser used for tuning, to reduce the tuning range, the law of the tuning scale will be altered and a "straighte line’ condenser will be thrown out of the straight line condition by suck a connection.
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https://paperspast.natlib.govt.nz/periodicals/RADREC19310306.2.43
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Radio Record, Volume IV, Issue 34, 6 March 1931, Page 12
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147Useful Hints Radio Record, Volume IV, Issue 34, 6 March 1931, Page 12
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