The photo of spark plugs with one, two, three and four ground electrodes....
description page was here. All following user names refer to en.wikipedia. 2005-04-01 22:17 Motorhead 400×336 (17627 bytes) spark plug construction English...
Published more than 70 years ago, author anonymous English Czech Autopříslušenství fy. AC Spark Plug Co. (Autosalon Praha 1935) determination method: SHA-1...
BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue English Spark plug German Zündkerze object of statement has role: photographer author name...
Collection of historic spark plugs from the Toyota Automobile Museum. Photo by Chris 73 English determination method or standard: SHA-1...
BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English spark plug Croatian svjećica URL: https://commons.wikimedia.org/wiki/user:Dape13...
Two spark plug viewers. Originally uploaded to en:Image:2spark_plug_viewers.jpg by en:User:Motorhead. English determination method or standard: SHA-1...
English Richard Pearse's novel spark plug published by ''Scientific American'' in September 1909 and 1910...
picture may have usage restrictions -- Zündkerze / Spark plug Source: Own picture English Spark plug that has been in an engine that was overheating...
This picture may have usage restrictions -- Zündkerze / Spark plug Source: Own picture English...
