12-15-2017, 04:00 PM
> a very hard tar like substance. It is going to be a very great pain in the behind!
Methinks it IS tar! Throw this contraption in the to the oven to soften the tar to get it apart. Pretty sure there is a suitable replacement available.
> Any knowledge out there as to it's purpose and it's weight?
It to help prevent microphonics in hi gain circuits when using the old globe style tubes. These tube don't have much support to the element so they can rattle. The newer shoulder type have mica supports at the top and bottom of the element so there much more stable.
Methinks it IS tar! Throw this contraption in the to the oven to soften the tar to get it apart. Pretty sure there is a suitable replacement available.
> Any knowledge out there as to it's purpose and it's weight?
It to help prevent microphonics in hi gain circuits when using the old globe style tubes. These tube don't have much support to the element so they can rattle. The newer shoulder type have mica supports at the top and bottom of the element so there much more stable.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!
Terry
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
