Bidspirit auction | Marmon Boyce Moto Meter Radiator

Marmon Boyce Moto Meter Radiator Cap Thermometer with Dog Bone - Original Marmon Boyce Moto Meter radiator cap with integrated temperature gauge. Features double-sided glass face with Marmon branding and 'The Foremost Fine Car' text on one side, and temperature graduated scale with functional thermometer tube on the reverse. Includes the wing-style threaded filler cap base. Metal construction with a nickel-plated finish and decorative floral bezel surrounding the gauge housing.