Innovations In History: German Inventor Creates Robot That Dials Your Phone (1930's)

German inventor creates robot... When a German inventor found the task of dialling telephone numbers too burdensome, he did not bewail the mechanization of the service in the interests of efficiency.

Instead, he went one better than the telephone engineers and invented an automatic dialler.

Stops, on this device, are preset for the fifty numbers most frequently called.

A knob on top of the attachment is moved to the desired number. Pressing a thumb lever at the front of the device does the rest.

The fifty numbers may be changed at any time, to correspond with a new list. 

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