NEW CONCEPT OF AIR LUBRICATION Available to Purchase

THE Aero‐Space Division of the Boeing Airplane Company, Seattle, Wash., U.S.A. has recently announced the development of a new type of externally pressurised step bearing whose load‐carrying shaft spins freely on a cushion of compressed air. The This new concept in the use of air as a bearing lubricant is expected to result in wider applications for this type of minimum‐friction bearings.