I previously worked in AM-FM radio broadcasting, telecommunications, and the Home Automation/audio-video/security industry.
Recently retired, I am teaching electronics part time at a local community college.
After 25+ years of collecting, I am going through my collection of telephones, slide rules, flight comuters, and calculators and deciding what items to list on eBay.
This page is the starting point for links to pages devoted to my hobbies of collecting
slide rules and mechnical calculators, and telephones.
Slide Rule page.
My Resume .