The Hitchon Gear.

By Dr. H. S. Hele-Shaw, F.R.S., M.Inst.C.E., The allusion which I made to the Hitchon gear in ni■ recent paper before the Society of Motor Omnibus Engineer.; seemed to excite......

Correspondence.

A Motor Drivers Society. The Editor, " THE COMMERCIAL MOTOR." Sir :—In reply to the criticism that this society is one of tramway men, permit me to say that, whilst it has been......