Records Of Costs.

Should the Basis Be the Mile, the Ton or the Ton-mile. L ET ME PREFACE my remarks on this subject by 'unreservedly throwing myself upon the mercy of the Editor, since I realize......

Concerning Caterpillar-type Tractors.

T HE' CHAIN-TREAD or caterpillar-type tractor, or, as it has before now been termed, the "flat wheel," is so new a proposition with us that it is not yet fully understood by the......