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Switch lever rheostat made by the Gebr. Kaiser company, Leipzig.

For motor 220 volts, 1/5tel PS.

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The two buttons on the right side allow to adjust two different motor speeds.


The lever is operated by a pneumatic motor. When activated from the music roll, it pulls the lever to the left and the motor will speed up.


This rheostat is from a red Welte push-up (Vorsetzer).

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