. Report on the substitution of metal for wood in railroad ties . s been suggested that the outer jaw might be riveted. The holes forthe keys and chairs are punched cold. The ties weigh 154 pounds each. They aresaid to have been in service under heavy traffic at the Alexandria Dock, Newport,and on the lines at the works of the manufacturers. The Quetch ties,—This system of track has been described in an Indian paper as anEnglish system, and it is said to have been awarded a bronze medal at the RailwayExhibition at Paris, in 1887. The rails are of bridge section with very wide flanges,about 14
. Report on the substitution of metal for wood in railroad ties . s been suggested that the outer jaw might be riveted. The holes forthe keys and chairs are punched cold. The ties weigh 154 pounds each. They aresaid to have been in service under heavy traffic at the Alexandria Dock, Newport,and on the lines at the works of the manufacturers. The Quetch ties,—This system of track has been described in an Indian paper as anEnglish system, and it is said to have been awarded a bronze medal at the RailwayExhibition at Paris, in 1887. The rails are of bridge section with very wide flanges,about 14 inches wide over alL The jointand intermediate chairs consist of channelplates with lugs on the side to hold the rail flanges, and a rib in the middle to fit intothe hollow of the rail, keys being driven through the webs of the rail and this gauge is maintained by transverse tie-rods fastened by vertical cotters. Thetrack seems to resemble the Macdonnell track on the Great Western Railway. The following is given as the weight per mile of single track:. Kails, 24 feet long, 106 pounds per yard Chairs: Joint, 90 pounds each Intermediate, 45 pounds each Tie rods, 1^ inch diameter, 30 pounds : Joint, 3 pounds each Intermediate, 3 pounds each Springs, for keys Cotters, for tie-rods, 3 pounds each Total. 227. 75 The MacLellan ties.—The MacLellan & Smith patents are for ties of embossed steel,either in the shape of bowls or cross-ties. A description of the former will be foundin this report, under India (Calcutta Port Railway), and of the latter underAustralia (South Australian Government Railways). (See plates Nos. 18 and 25.)They are manufactured by P. & W. MacLellan, of the Clutha Iron Works, wrought-iron ties have also been used in India, on the Slate Railways. The Chair and Sleeper Companyh tie.—The tie manufactured by this company, ofWidnes, Lancashire, and in use on the North Staflordshire Railway, is a steel tie ofV-section. For double
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