bitrex wrote:

Michael A Terrell wrote:

bitrex wrote:

Michael A Terrell wrote:

A common as dirt filament tester. They were common as dirt, and
sold for about $3 in the early '60s. They hyped as real tube testers.

"It Does What It Says on the Tin"

Just like the cans of 'Replacement Vacuum'?


How do I get the vacuum out of the can and back in the tube, though?


That was explained on the tin, not in the ads.