Blinky's Lab
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• Geiger Counters

Panax TM64 B Geiger Counter (Circa 1960) Pt.2

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Archived from radmon.org - originally posted 13/02/2022

Following on from Pt.1 - Here are some pictures of the battery compartment. You can see the terminals at the bottom pivot in the middle like a seesaw, also with one battery inserted and then with two. I couldn't resist and took out the tube to have a look at it. It is rather large, pictured below next to a STS-5 tube (SBM-20 equivalent.)

enter image description here ↑ Seesaw battery terminals with pivot at the center. ↑

enter image description here ↑ One battery inserted. ↑

enter image description here ↑ Two batteries inserted. The cap has a large shaft that pushes down on the positive terminal, the battery is pressed down making the seesaw terminal push the other battery up. Clever. ↑

enter image description here ↑ I couldn't resist taking the tube out to have a look. Pictured next to a STS-5 tube. ↑

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