Weird Stuff

This, I believe, is a hair restorer made by "Nagele"

A glass tube filled with neon plugs into a high voltage insulated handle. A rotary control sets the voltage and a violet discharge takes place between the glass tube and one's person. I haven't opened up the circuitry but my guess is that a high frequency high voltage is produced by a mechanically vibrating device driving a tesla coil. There's a sizzling noise and sparks of up to an inch or so bridge the gap between the glass tube and bits of you placed near it. The electrical activity, no doubt is supposed to stimulate one's scalp and promote hair growth. I've seen one of these before, a long time ago and I'd appreciate any info.

Amplivox audiometer Type 81

Not so weird is this old hearing tester

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