. The development of the American rail and track . Fig: 55. Compound Rail, Wood and Iron. Designed by B. H. Laikore, 1841, for Baltimore and Ohio Railroad. (From a drawing in the U. S. National Museum.) Fig. 55 is from a drawing of a compound rail of wood and iron de-signed by Benjamin H, Latrobe, in 1841, for the Baltimore* and Ohio, 678 REPORT OF NATIONAL MUSEUM, 1889. Kail road. The Z-iron was 5 inches high and weighed 45 pounds tothe yard. The track consisted of longitudinal under sills, which sup-ported the cross ties, 3£ by G inches and 7 feet long. The wooden por-tion of rail was made t
. The development of the American rail and track . Fig: 55. Compound Rail, Wood and Iron. Designed by B. H. Laikore, 1841, for Baltimore and Ohio Railroad. (From a drawing in the U. S. National Museum.) Fig. 55 is from a drawing of a compound rail of wood and iron de-signed by Benjamin H, Latrobe, in 1841, for the Baltimore* and Ohio, 678 REPORT OF NATIONAL MUSEUM, 1889. Kail road. The Z-iron was 5 inches high and weighed 45 pounds tothe yard. The track consisted of longitudinal under sills, which sup-ported the cross ties, 3£ by G inches and 7 feet long. The wooden por-tion of rail was made to fit closely against the stem and under the headof the Z-irou, to which it was joined by five-eighths inch bolts with screwnuts. The iron and wood stringer was laid to i4 break joints, so that nosplice bars except a base plate was needed at the joints. A section of an ingeniously devised all-iron compound rail laid on theBaltimore and Ohio Kail road in 1848 is shown in Fig. 56. A section ofthe original rail is in the Fig. 56. Compound Kail, Baltimore and Ohio Railroad, 1848. ( From original section in the V. S. National Museum. J Several of the railway companies in New York State laid a largemileage of compound rails of various patterns. Fig. 57 is a drawing of a compound rail weighing 75 pounds to theyard, on the New York Central Kailroad in 1855.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashingtongovtprin
