AT THE HEART OF THE ROAD TRANSPORT INDUSTRY.

Call our Sales Team on 0208 912 2120

1st November 1921, Page 32
1st November 1921
Page 32
Page 32, 1st November 1921
Close

Friction Transmission Gear.

A Résumé of Recently Published Patents. The leading patent this week refers to change:speed •gear which is frictionally operated. It is of the type in which power is transmitted......