Schrader spark plug tyre pump from the 1950s. To operate, it was screwed into the spark plug mounting of the engine, and, when the engine was turned on, blew an air/fuel mixture into the tyre.
2018.75.2
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Schrader spark plug tyre pump from the 1950s. To operate, it was screwed into the spark plug mounting of the engine, and, when the engine was turned on, blew an air/fuel mixture into the tyre.