. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 1844.] THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. 199 accompanying engravings, which show a longitudinal and transverse section of a box for suiHiorting the ends of the axle; fig. 1, is the longitudinal section of the apparatus, and fig. 2, a transverse section drawn on a smaller scale ; in fig. 1 a, is a portion of a railway axle, thai part from a to b, being reduced in thickness; c, c, are two"circular rings or carriers, which are made to slip over the axle a, b, and
. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 1844.] THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. 199 accompanying engravings, which show a longitudinal and transverse section of a box for suiHiorting the ends of the axle; fig. 1, is the longitudinal section of the apparatus, and fig. 2, a transverse section drawn on a smaller scale ; in fig. 1 a, is a portion of a railway axle, thai part from a to b, being reduced in thickness; c, c, are two"circular rings or carriers, which are made to slip over the axle a, b, and fit loosely thereon, these rings or carriers are connected together by means of four;,pins d, rf,>'hich form axles to the rollers c, e ; these rollers are bevelled oflf at each end and made to fit against corresponding bevelled parts as"will be clearly seen, thereby preventing the axle a, b, moving endways. The carrier c, c, and rollers e, c, being put together are in the first place slipped into the box g, g, the rollers together with the box are then slipped over or upon the axle a, h, and secured by the nuts h, and end plate i. The axle being put in motion, the rollers e, e, besidi'S having a rotary motioniwill be carried, together with the carrier plates c, c, round the main axes a, b. The inventor claims the application of friction rollers or wheels to axles, such rollers having rounded or bevelled ends, and mounted or supported by carrier plates, which fit loosely upon the axle and revolve round the axle as well as the rollers, some being kept together by means of caps, screws, or other contrivance. IMPROVEMENTS IN THE MANUFACTUEE OF ZINC. James Graham, of Wapping, Middlesex, for ' Improvements in the construc- tion of pots and vessels, and furnaces used in the manufacture of zinc, and in other manufactures, and also improvements in the treatment of the ores of zinc, in the process nf manufacturing ;—Granted October 18, 1843 j Enrolled April 18, 1844, r
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