Quote:
Originally Posted by longrange1947
the tube tester I have not seen in years but my Dad woudl take them down to the store to find which was bad to fix the TV.  |
The 12AT7 was a common amplifier tube, as I recall .
Yes, the X-RAY machine for feet, in a large wood box, with shielded face ports -- mid Nineteen Fifties . [Edited Addition:] There it is (photo) on Comment No. 40 .