AT THE HEART OF THE ROAD TRANSPORT INDUSTRY.

Call our Sales Team on 0208 912 2120

2nd April 1929, Page 70
2nd April 1929
Page 70
Page 70, 2nd April 1929
Close

An Automatically Variable Friction Gear.

A GEAR which attracted considerable attention some little time back is described in patents Nos. 306,752 and 306,753, by John Hogg Robertson. The large sectional view shows the......