Caused me to check a few forgotten pages of my own and it turns out that the Microporium still exists, a collection of vintage mic schematics and related information.
http://sdiy.org/oid/mics.html
And this pic which was a good day that I had completely forgotten about. Winter is approaching and I am excited about biking in snowstorms.
http://www.sdiy.org/oid/20180415_182053~01.jpg
Edit: Forgot to say, I actually saw your page many years ago.
