Alstem Wellen-Autometer with wooden case

Vintage Alstem Wellen-Autometer, a mechanical precision instrument for checking shafts. The gauge is stored in a wooden case.

- Manufacturer: A. Ludwig Steinmetz A.-G., Remscheid
- Marked model: Alstem Wellen-Autometer
- According to the supplied information: micrometer scale from 0 to 50 and an analogue dial from +10 to −10
- V-shaped guide blocks and adjustment screws
- Wooden storage case, approx. 28 × 16 × 5 cm
- Weight: 1,917 g

The inscription “D.R.P. ang.” is visible on the instrument. The exact date and patent status have not been independently verified. According to the seller, the instrument was working when acquired from a business; its current operation and calibration have not been independently verified. The condition has not been further specified.

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