e of various lubrieants, the particularma-| The uniform rotation of the disk, A, is secured by the | verse the coils of the one or the other of the clectro-magnets, chine illustrated being one which was exhibited by the com- | use of a centrifugal governor acting through the ingenious|gg. The… … in opposite directions. On the central ascertained, while, the duration of the part of the shaft, f, a screw is cut, and experiment being duly noted and the Figs. 2 and 3.—TESTING LUBRICANTS. a nut, ¢, fitted to this screw carrics a elevation of temperature registered, the fork acting on the belt…
Internet Archive · Public domain (published before 1931). Free to use for anything.
