Do you think they would still use the same name for this?
 

Circa the 60's

Well, if they rounded the end.......Regards you DOM!

This is for old nerds.
Besides it’s length is nothing to die for.
Add to this, there are no batteries inside…

George

This thread could degenerate quickly. Best we end it now. Regards

it looks well used already....

I just knew this would take on a life of its own!

Scott, I've often wondered the same thing.. :eek: :D

I think these were all gone by the 60's. They were common in car radio power supplies in the 1940's. By 1960 they were using space charge tubes for all but the output stage which was a big fat germanium transistor.

My first car was a 1949 Plymouth. The radio had 9 tubes and ran a pair of 6V6's in push pull for 10 watts.

In the 1970's I took apart some old (then) military tube equipment, it had a dynamotor in it. I never ran the thing, but I presume it generated dynamotor hum...

I was just reading this, which describes a vibrator as a ... a ...
Motor-generator - Wikipedia, the free encyclopedia

Had one of those in an old tube car radio that I had. Made quite the racket, but I guess the cars of the day were pretty noisy as well!! It was an appropriate name, but yes it might raise a few eyebrows today ;)

It was a DC-AC converter correct?

Tony.