Collecting Antique Spark Plugs

Antique spark plugs tell tale of American industrialism and ingenuity

A spark plug compression whistle. The modern spark plug comes in one piece. “Before World War II,” Lanning says, “you could take plugs apart and renew them with a new core.”
A spark plug compression whistle. The modern spark plug comes in one piece. “Before World War II,” Lanning says, “you could take plugs apart and renew them with a new core.”