The 1921 Tractor Trials.

Some Comments on the Regulations Governing the Trial to be Held Next September. T HE 1921 tractor trials to be arranged by the Society of Motor Manufacturers and Traders, will,......

The Avery . One-man Road Maintainer.

The machine shown in the illustration on the previous page is made by the Avery Co., of Peoria, III., U.S.A., and is known as the one-man road maintainer. Its object is to......