Re: [Amps] Inexpensive variable air cap for amps

[Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>]

When jackson Bros were in business, they did do some specials which had the 
teflon film in them. It didn't increse the voltage rating by a lot, but it did 
increase the capacity - bath max and min. After all, it's only the same old 
solid dielectric variable that has been around since the early 1920's.

73
Peter G3RZP
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