Champion Test Equipment and Plug Scopes
8 × 13 × 4 in.
Willys-Knight 'Bust,' 1928
Corning 'Daughter,' ca. 1930s
Formula 1 Car Wristwatch by Prim Watch Company, ca. early-1970s
Champion Spark Plugs Edition Stopwatch by Heuer Trackmaster, ca. Early-1970s
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