Petersen Radio might still in business in Council Bluffs, Iowa, although apparently from a home address. Not sure if they manufacture anymore. Might be just
selling from stock. But I’m guessing at all that. Google ‘em. Petersen Radio Council Bluffs should do it. I found several listings like MacRae’s blue book, and one listing at a museum site (not a good sign).
They would be closed for the day now but I called their number listed in several of these pages and I get 10 seconds of hum and a hangup. (Defective answering
Salem Media Group Omaha
From: Bill Hurne [mailto:email@example.com]
Sent: Monday, March 13, 2017 3:49 PM
Subject: [CRTech] ICM closing
Heard International Crystal Manufacturing is closing its doors. Not good at all. One of the very few that will make a single quantity custom crystal for you.
The Pilgrim Radio Network