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Kepair Bills mounting... Rubber when wet and in contact with metal has an extremely low coef- ficient of friction. Witness the skid- ding of the rubber tire on a wet street car track. Su ccessful in practice Cushioned in this Soft Rubber bear- ing, lubricated only by water, the metal driving shaft spins smoothly, quietly. Friction, wear, are reduced to an absolute minimum. Sand, grit can not lodge in this Soft Rubber bearing. They are de- pressed into the rubber, rolled into special grooves, and ejected by the lubricating water with no cutting of the bearing, nor scoring of the shaft. Write for catalog 531-C, to The B. F. Goodrich Rubber Company, (Est. 1870), Akron, Ohio. View of port shaft, struts and propeller of a large seagoing hopper dredge. Goodrich Cutless bearings are used in both struts. Shaft liners are of Monel Metal. This dredge is also equipped with Goodrich Cutless rudder pintle bearings. Goodrich Cutless bearing in course of manu- facture. Note the Soft Rubber lining, in its metal housing, being forced down on the mandrel which effects the accurate grooving indicated by the pencil in the picture at the left. DiS Cutless Bearings MARINE REVIEwW—May, 1931 Another B. F. Goodrich Product it