Handbook of Railroad Construction; For the use of American engineers. / Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States.

by George L. Vose

— [187], fig. 96 is upside down; also, fig. 97, page [188], and fig. 98, page [189].

— [193], l. 4, col. 3 of table, for “.00000675,” read “.00000685”; also, l. 16, col. 5, for “straining,” read “shearing”; l. 7 from bottom, for “15,000,” read “18,000;” and l. 6 from bottom, for “75,000,” read “105,000.”

— [199], l. 7 from bottom, for “20,132,” read “20,312.”

— [200], l. 4, for “A C,” read “A G”; and l. 6, for “that on A R,” read “that on A K.”

— [202], l. 7, for “on page [193],” read “on page [138].”

— [204], l. 5 from bottom, for “varied line,” read “versed sine.”

— [207], l. 5 and 6, for “F G, G E, in place of E F, E C,” read “G L, G E, in place of F L, F C.”

— [210], in place of “f′ = πF
4ph,” put “D = √¾[V² – d²] – √¾[l² – d²].

where D = depression,

l = half length of curve before elongation,