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dennygraham | all galleries >> An Album of Denny Graham's Work >> Antique Radios >> test_equipment > Tube Tester Drug Store 01w.jpg
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Tube Tester Drug Store 01w.jpg

Tube Tester Drug Store 01w.jpg


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Eric 17-Apr-2018 17:51
Hi I have one just like this. What are they worth? Thanks Eric
John Owens20-Jul-2016 19:10
Back in the day these were often referred to as 'tube sellers' because they sold a lot of people new tubes that didn't really need them. They only tested a tubes ability to 'light up', they weren't capable of telling if a tube actually did the work it was intended to do.
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