Uploaded March 2025 | Updated September 2026, 2 hours ago

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Today we're checking out a couple of Bendix CDV-742 Dosimeters, and a Jordan CDV-750 Dosimeter Charger.
These would have been stocked in fallout shelters all across the United States during the Cold War.
I'll go over how the units work, and we'll take a peek inside the charger unit.

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Skinner Dosimeter Disassembly Video: youtube.com/watch?v=qTyO0xWomyg

Surplus Units: colemans.com/product-category/militaria/geiger-counters

Calibrated Units: ki4u.com/products1.php

Moar Info:
orau.org/health-physics-museum/collection/civil-defense/cdv-instruments/cdv-750.html
orau.org/health-physics-museum/collection/civil-defense/cdv-instruments/cdv-742.html
hopbm.org/wp-content/uploads/2022/10/Jordan-V-750_Manual.pdf
en.wikipedia.org/wiki/Roentgen_(unit)

Cool Civil Defense Films:
archive.org/search?query=creator%3A%22U.S.+Office+of+Civil+Defense%22

Chapters:
00:00 Intro
00:31 What's a Dosimeter?
02:04 Recharging
03:12 How do They Work?
04:44 What's Inside the Charging Unit?
06:40 Background
07:06 Where to Get Them
07:44 Outro