CAST IRON FLANGE PIPES BOTH FACED AND DRILLED AND PLAIN. GAS and WATER PIPES, AND CONNECTIONS FOR SAME. Valves, Fire Hydrants, &c. R. A. BRICK & CO. No. 112 LEONARD ST., NEW YORK, JAMES E. GRANNISS. JOHN MERRY. JOHN MERRY & CO. West Side Galvanizing Works, 341, 543, 345 & 547 West 15th St, Office and Warehouse, No. 46 Cliff St., New York. MANUFACTURERS OF BEST BLOOM AND REFINED AMERICAN GALVANIZED SHEET IRON, CORRUGATED IRON FOR ROOFING, GALVANIZED TELEGRAPH AND FENCE WIRE, GALVANIZED AND TINNED NAILS, ALL KINDS OF IRON Work gaLVANIZED Weight that can be borne with Safety by Cast-Iron Columns in 1000 Lbs. 560 532 728 698 660 10 916 884 850 111126 12 1354 ... ... 238 502 470 440 410 354 630 596 560 494 812 774 739 658 ... 304 ... ... 144 226 ... ... 72 124 196 292 1082 1056 ... 1016 ... 974 932 846 774 ... 686 616 1320 1281 1240 1196 1152 1056 966 878 796 1570 1530 ... 1486... 1440 ... 1392 ... 1292 ... 1192... 1094. . 1000 ... 1798 ... 1754 ... 1706 ... 1656... 1550 1440 1332 ... 1228 1130 2086... 2040 ... 1992 ... 1940... 1828 ... 1712 ... 1596... 1482 The above table is based upon the following conditions:-The column must be placed precisely perpendicular; both ends must be faced exactly at a right angle with the vertical axis, and the load must be evenly distributed over the whole face. If both ends are rounded, the weight should be reduced to one-third of the above; if one end is rounded, two-thirds should be allowed. RAILROAD, MERCHANT and SHIP IRON, PIG IRON, Bessemer Steel Rails, Axles, Tyres, Shafting, &c. TROY, NEW YORK. For The Richardson Patent Perfect Safety Valve, APPLICABLE TO LOCOMOTIVES, STATIONARY and MARINE BOILERS. Address, GEO. W. RICHARDSON & CO., 39 CONGRESS STREET, TROY, N.Y. For The Richardson Anti-Friction Slide Valve, APPLICABLE TO LOCOMOTIVES, STATIONARY and MARINE ENGINES, AND For The Richardson Relief Valve and Exhaust Nozzle, APPLICABLE TO LOCOMOTIVES. Address, RICHARDSON & CO., 39 CONGRESS ST., TROY, N. Y. ESTABLISHED 1782. WETHERILL & BROTHER MANUFACTURERS OF B WHITE LEADWORKS, WHITE LEAD, RED LEAD, LITHARGE AND ORANGE MINERAL. The present proprietors succeed W ́m. Wetherill, successor to Johu P. & Wm. Wetherill, sons of Sam'l Wetherill, the Original Manufacturer of the above articles in the United States, Office, No. 41 North Front St. PHILADELPHIA. Factory, 30th St. below Chestnut. |