What advancement in speed measurement is attributed to Charles F. Kettering in 1914?
Answer
The invention of the electric speedometer
In 1914, Charles F. Kettering introduced the electric speedometer. This innovation marked a departure from the mechanical designs that relied on rotating cables, which were susceptible to wear and calibration drift. The electric method typically utilized electrical signals to determine speed, simplifying the routing of the instrument and offering the potential for improved long-term accuracy. This development occurred as traffic enforcement and speed regulations were becoming more prominent in urban life, highlighting the growing need for precise and reliable speed indication tools.
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