Need some help

[alon]

Found this old plug a couple of weeks ago. I can't find any markings anywhere and was hoping someone could help me with a manufacturer and era. I've never seen a plug like this. Is it automotive or something from the lawn and garden section?

 

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[AU Seeker]

There is one in this Ebay sale that is similar.

It is hard to say what brand it is, but it would date from the early 1900.

http://cgi.ebay.com/Vintage-GIANT-R...ultDomain_0&hash=item27b472555b#ht_500wt_1154

History of the spark/sparking plug

http://www.asecc.com/data/plughistory.html


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[trixie charger]

Looks like the Spark Plug to an old pan head Harley Engine maybe 1938-

 

[DCMatt]

There are similar plugs in my dad's 1930 Ford Model A.

DCMatt

 

[Tony in SC]

There are similar plugs in my dad's 1930 Ford Model A.

It's a copy of a Champion "X" three piece spark plug. Used in some of the old hit & miss engines and old autos. I think they came out about 1900. Tony

DCMatt