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Old 10th Nov 2019, 9:56 am   #2
pbengtech
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Join Date: Jan 2009
Location: Birmingham, West Midlands, UK.
Posts: 170
Default Re: Translucent Tuning Dial 'knobs' - re-manufacture?

Hi Tractionist,
Have you seen any of the Repair Shop programmes on the TV?
In one program Steve the clock maker made a clear knob for a GEC portable radio by finding a clear plastic pot, cutting off the rim and making a brass adaptor to fix it to the shaft. Luckily the radio needed a brass centre to match the other one.
If you really are stuck, you could make a rubber mould from a good knob and cast more out of clear casting resin.
I have needed to make rectangular wave change press type knobs in the past, and made them out of solid black acrylic plastic. Cut and polished by hand.
Phil b
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