Lot · Inventors & Geniuses

JAHCO "LETTERS PATENT" KAENI BROTHERS ORIGINAL UK, CLEVELAND OH ELECTRON COMPASS

Name: JAHCO "LETTERS PATENT" KAENI BROTHERS ORIGINAL UK, CLEVELAND OH ELECTRON COMPASS
SKU: nb-188379576522
Price: 9.50 USD
Availability: SoldOut

Starting price (see what it sold for on eBay ↗) $9.50 as of May 14, 2026

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Closed Wed · May 20, 2026

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Ships from ZIP 920**

blowtorchman 1,261 ratings · 100.00% positive

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Description

From the seller

TWO ORIGINAL BRITISH "LETTERS PATENT" KAENI BROTHERS, CLEVELAND OHIO FOR "ELECTRON COMPASSES" AND FOR THE DETECTOR TUBE. British patent No. 623368 "Electron Compasses" filed in 1944 by brothers Frank and William Kaehni, of Cleveland, Ohio, and assigned to "Jack & Heintz, Inc. otherwise known as JAHCO.

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