[Intl_DxMedPhys] Own a piece of history

[Bob Kobistek]

Circa 1994 or 95, our local HPS chapter and the Columbus chapter hosted seminars to train grade school and high school science teachers how to teach radiation science to their students. One of our members worked for Lake County Emergency Management, and they had so many surplus CD meters that we gave one to each seminar participant.


Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™)
Medical Physicist
RJK Medical Physics, Inc.
440-463-7879

From: sfisher373 <sfisher373 at gmail.com>
Sent: Wednesday, March 11, 2026 1:51 PM
To: Bob Kobistek <bob at rjkmedphys.com>; Bryon Murray <bmurray at stralingscience.com>
Cc: intl_dxmedphys_wd_osu_list at lists.osu.edu
Subject: Re: [Intl_DxMedPhys] Own a piece of history

Those Civil defense meters are still used today by Industrial Radiographers, here in Canada.   You can place one on end by the camera, view it  50 feet away, and confirm the source is inside the camera.
Can't do that with a digital meter.



Sent from my Galaxy


I wanted to share this as well. It’s a frame grab from a Big Bang Theory episode, and I zoomed in. I also had one of those Civil Defense survey meters and also a GM model. A colleague of mine took them. Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™)
-------- Original message --------
From: Bob Kobistek via Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list at lists.osu.edu<mailto:intl_dxmedphys_wd_osu_list at lists.osu.edu>>
Date: 2026-03-11 12:04 p.m. (GMT-05:00)
To: Bryon Murray <bmurray at stralingscience.com<mailto:bmurray at stralingscience.com>>
Cc: intl_dxmedphys_wd_osu_list at lists.osu.edu<mailto:intl_dxmedphys_wd_osu_list at lists.osu.edu>
Subject: Re: [Intl_DxMedPhys] Own a piece of history

I wanted to share this as well. It’s a frame grab from a Big Bang Theory episode, and I zoomed in. I also had one of those Civil Defense survey meters and also a GM model. A colleague of mine took them.


Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™)
Medical Physicist
RJK Medical Physics, Inc.
440-463-7879

From: Bryon Murray <bmurray at stralingscience.com<mailto:bmurray at stralingscience.com>>
Sent: Wednesday, March 11, 2026 12:00 PM
To: Bob Kobistek <bob at rjkmedphys.com<mailto:bob at rjkmedphys.com>>
Cc: intl_dxmedphys_wd_osu_list at lists.osu.edu<mailto:intl_dxmedphys_wd_osu_list at lists.osu.edu>
Subject: Re: [Intl_DxMedPhys] Own a piece of history

That Victoreen Panoramic survey meter is good for "clocking" speeders down your street (or getting them to slow down)! LOL
That's some great stuff. Lore has it an FDA inspector had the MDH on the back of a motorcycle when it fell off going 50 mph. The thing was so solid the inspector was able to complete the FDA survey!
I love the old wood cases that housed the electronics.
Thanks for sharing, Bob and thanks for finding a home for them Nima!



On Wed, Mar 11, 2026 at 11:14 AM Bob Kobistek via Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list at lists.osu.edu<mailto:intl_dxmedphys_wd_osu_list at lists.osu.edu>> wrote:
Hi folks I cleaned out my storage locker in preparation for my occasional trip to the electronics recycling facility. I found the old stuff in the attached photos that I’m going to get rid of. I was keeping it for nostalgia, but it’s
Hi folks

I cleaned out my storage locker in preparation for my occasional trip to the electronics recycling facility. I found the old stuff in the attached photos that I’m going to get rid of. I was keeping it for nostalgia, but it’s just taking up space. Let me know if anyone wants any of it. I’ll give it away for free – you just pay the shipping.


Thanks.


Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™)
Medical Physicist
RJK Medical Physics, Inc.
440-463-7879



--
~ Bryon

614-571-8255
Please note new email address and update your contact list. Thanks!
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