12-22-2017, 04:47 PM
Ron beat me to it. I knew it was on the Phorum but couldn't find it.
>were microphonics that bad they had to resort to it?
I don't recall it being a problem but maybe using the older globe style 227 might be a little bit more sensitive to vibration.
Many of the old battery sets from the mid '20s would have spring, a metal cup that fit over the top of the tube, or rubber mounts for the det tube.
>were microphonics that bad they had to resort to it?
I don't recall it being a problem but maybe using the older globe style 227 might be a little bit more sensitive to vibration.
Many of the old battery sets from the mid '20s would have spring, a metal cup that fit over the top of the tube, or rubber mounts for the det tube.
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 "[-]")
