How A Wagon Was Developed From A Tricycle.

The First Stage Described by Mr. James Sumner. We published last week an account, ably written by Mr. James Sumner, relating his experiences in 1884 with the first Leyland steam......

Correspondence.

The Editor, " THE COMMERCIAL MOTOR." Sir, •The recent article in your journal on wheel con-aruction brings into prominence an important factor in commercial motor vehicle......