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- Electric Tachometer Company Type D7Y Tachometer, circa 1913 -

- circa 1913
- Collections - Artifact
Electric Tachometer Company Type D7Y Tachometer, circa 1913
- Tachometer, circa 1935 - A tachometer measures engine speed, helping the driver know when to shift gears.

- circa 1935
- Collections - Artifact
Tachometer, circa 1935
A tachometer measures engine speed, helping the driver know when to shift gears.
- Ashcroft Manufacturing Company Tachometer, circa 1920 -

- circa 1920
- Collections - Artifact
Ashcroft Manufacturing Company Tachometer, circa 1920