The Action Of A Modern Carburetter.

How the Main and Compensating Jets Operate in the Zenith Device. (IN MANY occasions the Zenith CarkJ burettes Co., Ltd., 40-42, Newman Street, London, W.1, have been asked by......

Some Improvements In Plain Bearings.

1 'J ANY EFFORTS have been devoted .1.V to the perfecting of various kinds of bearing-material with a view to reducing wear both on the shaft and bearings, and also permitting......