. Report on the substitution of metal for wood in railroad ties . E. E:. RutiELL THATM (. NDEX. (All -eferences in regard to Metal Track and Wooden Ties are found under these two captions. Forreferences to Countries see Railways, under Metal Track.] The letter (d) denotes that description is found on the page which it follows. Abt system of rack railways, 149, 175 (d.), 269, 149, 319. Animal charges, how computed, 37 ; table of, 40. Ballast influencing durability of ties, 23, 24. Cars made of metal, 15, Circular of inquiry regarding metal track, 57. Color indicating durability of woods, 17. Co
. Report on the substitution of metal for wood in railroad ties . E. E:. RutiELL THATM (. NDEX. (All -eferences in regard to Metal Track and Wooden Ties are found under these two captions. Forreferences to Countries see Railways, under Metal Track.] The letter (d) denotes that description is found on the page which it follows. Abt system of rack railways, 149, 175 (d.), 269, 149, 319. Animal charges, how computed, 37 ; table of, 40. Ballast influencing durability of ties, 23, 24. Cars made of metal, 15, Circular of inquiry regarding metal track, 57. Color indicating durability of woods, 17. Consumption of timber for railroads, 7,13,16; Summary, 43; tables, 43^.; for re-newal, 41, 42 ; kinds and amounts for ties, 14. Cost of various tie systems, how to calculate, 10, 35, 37. Culling, efiects on forest growth, 7. Durability of timber, color a criterion, 17; how influenced, 23; time of felling influ-encing, 19; list of durable timbers, 19; table of duration of tie tim-bers, 25. Economies in use of wood suggested, 17. Financial calculations, 10, 35, 37. Forest administration n
Size: 1193px × 2095px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorfernowbe, bookcentury1800, bookdecade1890, bookyear1890
