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Listed under:  Technologies  >  Machinery  >  Pedals
Image

A pedal-driven dentist drill, 1930s

This is a pedal-driven dentist drill made in Germany in the 1930s.

Image

Alfred Traeger transmitting by a pedal-powered wireless, 1928

This is a black-and-white lantern slide showing Alfred (Alf) Traeger wearing his best suit and operating a portable pedal-operated wireless transmitter. The slide measures 8.2 cm x 8.2 cm and the original image was photographed by the Reverend John Flynn.