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Hoffman Amps Forum image Author Topic: ad for Inside the Vacuum Tube  (Read 3205 times)

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Offline PRR

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Offline rafe

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Re: ad for Inside the Vacuum Tube
« Reply #1 on: July 21, 2022, 02:26:37 pm »
less than a penny a page .....it's a bargain
Rafe

Offline shooter

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Re: ad for Inside the Vacuum Tube
« Reply #2 on: July 21, 2022, 04:58:29 pm »
$4.50 in 1945 seems pricey, but with 3D glasses, maybe a bargain
Went Class C for efficiency

 


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