Tapered roller bearings can be fixed and preloaded using shims and an end cap. There is a setting procedure to ensure the desired preload is achieved and the amount of end play (axial clearance) is ...

IN connexion with some work on gravitation, I felt the need of a spiral spring of greater delicacy than is ordinarily met with in the laboratory. With the help of my assistant, Mr. A. Glodenis, I have ...