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Scientific American, Vol. 40, No. 20 (May 1879) (1879)
leaf 3
hich oscillates between two contact points, q q1, placed a B, being also connected to the cam just mentioned, so that comes used up, the friction between the two disks, A, B, in- very small distance apart. According as the speed of the as the disk, B, is dragged round by disk, A, the weight, X,… … ables the millimeter di- anodyne instead of ether), visions to be printed on will succeed in the vast the' band of paper as it Fig. l.-MACHINE FOR TESTING LUBRICANTS. ©1879 SCIENTIFIC AMERICAN, INC.Patents · Patented · Iron · Scientific American · Machinery · Subterranean telegraph · Trade catalogs · Intermolecular etheric · Compressed air · Patent office · Wrought iron · Cubic yards · Etheric substance · Patent laws
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