Advert Description
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An early, brass upper bodied spark plug, by the maker OLEO. I believe there's a patent date of around 1910 to 1913.
The Plug is marked "OLEO Magneto" & trade mark logo on the ceramic part.
Stamped "No 11A OLEO 20-11".
A nice example of a rare plug, but please do your own research.
Unusually the upper most part is made of solid brass & the bottom steel.
In expected used but condition for a item of this age & nature. There's a little minor surface rust on the steel part that will easily clean up.
I don't see why it wouldn't still work, as the ceramic insulator's still in one piece. A three ground electrode design. The three outer & central electrode are still in place. The central electrode could do with a little nudge, as it's rather close to one of the outer electrodes. It doesn't rattle & is solid.
It's approx 3 1/2" long.
Please study the images, as they also form part of the description & please do your own research.
Can post at extra cost. Postage includes being signed for.