OTHER IMPROVEMENTS. VOL. XIV. = acy THE SCIENTIFIC AMERICAN, PUBLISHED WEEKLY … in such a manner that none of the oil or grease used for lubrication will reach them pins. The cam, a, is placed upon the shaft of It is a pleasant sight to see in the penial One locomotive was fitted up with defective the upper elevator roller, pulley, oraxle. The warmth of an autumnal day, or in…
Internet Archive · Public domain (published before 1931). Free to use for anything.
