. Scientific American Volume 03 Number 17 (October 1860). t; length of wheel blades, 10 feet; depth of same,I foot 9 inches; number to each wheel, 24. She isalso Bupplied with two return flue boilers, alike in everyrespect; length of boilers, 26 feet; breadth of same,12 feet ; and their hight (exclusive of steamchimney) is 12 feet 3 inches; number of furnaces toeach, 5 ; breadth of these, 3 feet; length of grate bars, 7 feet 3 inches; number of flues above, 18; numberof flues below, 15; internal diameter of those above, 8 of 13 inches, 8 of 11 inches, and 2 of 10 inches; in-ternal diam
. Scientific American Volume 03 Number 17 (October 1860). t; length of wheel blades, 10 feet; depth of same,I foot 9 inches; number to each wheel, 24. She isalso Bupplied with two return flue boilers, alike in everyrespect; length of boilers, 26 feet; breadth of same,12 feet ; and their hight (exclusive of steamchimney) is 12 feet 3 inches; number of furnaces toeach, 5 ; breadth of these, 3 feet; length of grate bars, 7 feet 3 inches; number of flues above, 18; numberof flues below, 15; internal diameter of those above, 8 of 13 inches, 8 of 11 inches, and 2 of 10 inches; in-ternal diameter of those below, 1 foot 3 inches; lengthof fines above, 19 feet 4 inches; length of those below, FAIRFAXS BELT COUPLING. After all the belt couplings that have been invented,it is surprising to meet with an idea at once so simpleand so novel, as has been embodied in the coupling hereillustrated. Two rectangular Iron frames, A and B, are pivotedtogether at their ends by two wires, c and d, when theends of the belt to be coupled are introduced between. them in the manner shown in the cut. It will be seenthat the parts of the belt are held, not merely by thestout spurs, e e, on the frames, bnt that they are claspedand pressed together by,the frames, so that the morestrain is placed upon them the more firmly are they heldtogether. The manifest advantages of this coupling are:first, its ease of application ; second, not weakening thebelt by perforation; third, its durability and consequentcheapness; The patent for this simple and valuable invention wasprocured through the Scientific American PatentAgency, on August ,31, 1860, and further informationin relation to it may be obtained by addressing the in-ventor, Charles Fairfax, Jr., Cincinnati, Ohio. -«•.-. To enamel iron articles, clean theerirface; put on acomposition of ground feldspar, quartz and borax; thenfuse in a furnace. Black copal varnish may answer as acoating for cast iron articles that are exposed to v
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