Skip to content

Slide Title

Dexter C Slater’s patented dog-power machine, patent no. 24338. The dog walks around a turning disc to provide enough power to operate a range of small machinery.
Dexter C Slater’s patented dog-power machine, patent no. 24338. The dog walks around a turning disc to provide enough power to operate a range of small machinery. Image: M J Rivise Patent Collection (Getty Images)

A number of different patents were granted for dog-powered machines in the 19th century, including the machine illustrated above for a pump.

Related Articles