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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.
- 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. An unidentified company produced this motometer in Chicago, Illinois around 1925.
- circa 1925
- Collections - Artifact
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. An unidentified company produced this motometer in Chicago, Illinois 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.
- 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.
- Thermomanometre 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. An unknown company produced this "Thermomanometre Motometer" in France around 1925.
- circa 1925
- Collections - Artifact
Thermomanometre 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. An unknown company produced this "Thermomanometre Motometer" in France around 1925.
- Moore Motor Semaphore 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. Chicago's Semaphoric Indicator Company produced this motometer intended for vehicles made by Buick, a division of the General Motors Corporation.
- circa 1925
- Collections - Artifact
Moore Motor Semaphore 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. Chicago's Semaphoric Indicator Company produced this motometer intended for vehicles made by Buick, a division of the General Motors Corporation.
- Semaphore 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. Semaphoric Indicator Company produced this motometer in Chicago around 1925.
- circa 1925
- Collections - Artifact
Semaphore 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. Semaphoric Indicator Company produced this motometer in Chicago around 1925.
- Nash 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. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.
- circa 1925
- Collections - Artifact
Nash 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. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.
- Standard 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. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.
- circa 1925
- Collections - Artifact
Standard 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. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.
- Cadillac 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. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.
- circa 1925
- Collections - Artifact
Cadillac 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. Moto-Meter Co. Inc. dominated the American market, producing the popular Boyce motometer and others featuring an automotive manufacturer's name or logo.