04-21-2015, 06:24 PM
Here's the post by morzh that was referred to: http://philcoradio.com/phorum/showthread.php?tid=9107
And here's some additional bakelite block info: http://www.philcoradio.com/tech/images/bakelite.pdf
And here's some additional bakelite block info: http://www.philcoradio.com/tech/images/bakelite.pdf