Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => AmpTools/Tech Tips => Topic started by: PRR on July 21, 2022, 02:20:06 pm

Title: ad for Inside the Vacuum Tube
Post by: PRR on July 21, 2022, 02:20:06 pm

https://worldradiohistory.com/BOOKSHELF-ARH/Rider-Books/Rider-Inside-the-Vacuum-Tube-1945.pdf

Title: Re: ad for Inside the Vacuum Tube
Post by: rafe on July 21, 2022, 02:26:37 pm

less than a penny a page .....it's a bargain

Title: Re: ad for Inside the Vacuum Tube
Post by: shooter on July 21, 2022, 04:58:29 pm

$4.50 in 1945 seems pricey, but with 3D glasses, maybe a bargain