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- Arro-Meter Motometer, circa 1925 - 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. Bushnell Manufacturing Company produced this "Arro-Meter" motometer in Berkeley, California, around 1925.
- circa 1925
- Collections - Artifact
Arro-Meter Motometer, circa 1925
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. Bushnell Manufacturing Company produced this "Arro-Meter" motometer in Berkeley, California, around 1925.
- Arro-Meter Motometer, circa 1925 - 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. Bushnell Manufacturing Company produced this "Arro-Meter" motometer in Berkeley, California, around 1925.
- circa 1925
- Collections - Artifact
Arro-Meter Motometer, circa 1925
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. Bushnell Manufacturing Company produced this "Arro-Meter" motometer in Berkeley, California, around 1925.