MECOS frequency device

From: Gordon JC Pearce <>
Date: Mon Sep 6 16:25:02 2004

>>> Likely way off topic, but I acquired some sort of frequency device in
>>>an auction junk box. It's a well machined device made by MECOS, made
>>>in W.Germant. It's about 2" square by 1/2" powered by a Li. battery
>>>and has micro-switches labelled 3 hz, 7.8 hz, 14.0 hz and a small led
>>>that flashes at the selected frequency. Anyone have any idea what it
>>>might be ?

Those sound awfully like brain wave frequencies. Can you plug anything
else in? Like maybe a pair of sunglasses with LEDs in the lenses?

Received on Mon Sep 06 2004 - 16:25:02 BST

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