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- "Calormeter" Motometer, circa 1930 - Automobiles often came without temperature gauges before the early 1930s, so enterprising manufacturers sold aftermarket motometers. Mounted on a car's radiator, these devices measured and displayed coolant water vapor temperature, notifying drivers if their automobiles were in danger of overheating. Wilmot-Breenden Ltd. produced this "Calormeter" motometer in England around 1930.
- circa 1930
- Collections - Artifact
"Calormeter" Motometer, circa 1930
Automobiles often came without temperature gauges before the early 1930s, so enterprising manufacturers sold aftermarket motometers. Mounted on a car's radiator, these devices measured and displayed coolant water vapor temperature, notifying drivers if their automobiles were in danger of overheating. Wilmot-Breenden Ltd. produced this "Calormeter" motometer in England around 1930.