A BOYCE MOTOMETER DOGBONE RADIATOR CAP 1920'S

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Sold Date 2026 full date locked

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Description

A BOYCE MOTOMETER DOGBONE RADIATOR CAP 1920'S Boyce dogbone motometer radiator cap with applied monogrammed 'S' shield, and internal thermometer. Patented in 1912, Boyce MotoMeters (Long Island City, NY) were used to check radiator temperatures in automobiles. 'To avoid evaporating non freeze solution, operate below line, always investigate any sudden rise in...

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motometer dogbone radiator boyce 1920's applied check temperatures replace mounted temperature dash-mounted motometers (long 1912 rise gauges monogrammed shield island city used automobiles. 'to avoid evaporating freeze solution operate line investigate sudden began examples internal beginning ornamental standard thermometer patented 1930 reverse designation measures 8.75 inches