. American engineer and railroad journal . CIC. 4 AHERNS STEAM BOILER. tubular standards 23. Below the furnace-door 33 is anothercylindrical drum 28, which is connected to the outer casingor of the boiler by vertical pipes 27, and to the central drum15 by water tube grate-bars 29. Below these is another grate30 of the ordinary construction, which has a door 34 throughwhich it may be fed. As shown by the darts, the draft isdownward through the water-tube bars, and upward through. * FIG. 5. ROHANS STEAM GENERAToli. the grate 30 ; the products of combustion from the two gratesmeet at 18, and then
. American engineer and railroad journal . CIC. 4 AHERNS STEAM BOILER. tubular standards 23. Below the furnace-door 33 is anothercylindrical drum 28, which is connected to the outer casingor of the boiler by vertical pipes 27, and to the central drum15 by water tube grate-bars 29. Below these is another grate30 of the ordinary construction, which has a door 34 throughwhich it may be fed. As shown by the darts, the draft isdownward through the water-tube bars, and upward through. * FIG. 5. ROHANS STEAM GENERAToli. the grate 30 ; the products of combustion from the two gratesmeet at 18, and then pass around the central drum 15 andescape through short tubes 37 to the uptake or stack 38. Asuitable covering 36 is placed on the tubes 16 to divide thespace above it from the furnace below. Patent No. 546,786, and dated September 24, 1805. 508 THE AMERICAN ENGINEER [November 1, 1895. Mr. SEES UK in Horace See, the veil known mechanical engineer of New York, has patented the form of boiler shown hy fig. 0. lis construction is bo clearly shown by the engraving that nodescription is needed. The patent is No. 546,715, and dated September 24. 1895. JOUGHINS RAILROAD CAR-TRUCK. The cnr-truck illustrated by figs. 7-9 is the invention of R. Joughins, Superintendent of Motive Power of theNorfolk & Southern Railroad, whose address is Berkeley, Va.,which he describes as follows : The frame mainly of two beams of metal, each beam beingbent, as shown
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