. The science of railways . Fig. 16. STEEL TAPE. (e) brush hooks, (/) axes, {g) transit books, (h)lead pencils, hard and medium, (/) kiel pencils, ^^■^-^-1^ Fig. 17. RANGING RODS OR in placing hubs. (./) tacks for centers on hubs, {k) two 50 ft. Ches-termans metallic tapes (Fig. 18), (/) engineersfield book, (/;?) scratch blocks, {n) one soundingrod, 3 joints 8 feet each, (o) red and white flan-nel for signals, {p) drawing paper, (r/) tin mapcases, (r) scales (Fig. 19), (s) protractor (Figs. 20and 21), {t) steel straight edge, {u) triangles, (v) THE PRELIMINABT SURVEY. 63 India ink
. The science of railways . Fig. 16. STEEL TAPE. (e) brush hooks, (/) axes, {g) transit books, (h)lead pencils, hard and medium, (/) kiel pencils, ^^■^-^-1^ Fig. 17. RANGING RODS OR in placing hubs. (./) tacks for centers on hubs, {k) two 50 ft. Ches-termans metallic tapes (Fig. 18), (/) engineersfield book, (/;?) scratch blocks, {n) one soundingrod, 3 joints 8 feet each, (o) red and white flan-nel for signals, {p) drawing paper, (r/) tin mapcases, (r) scales (Fig. 19), (s) protractor (Figs. 20and 21), {t) steel straight edge, {u) triangles, (v) THE PRELIMINABT SURVEY. 63 India ink and ink slab and carmine blue andneutral tint water colors, {w) set of, drawing in-struments and drawing board. The leveling party isgenerally made up of aleveler and a rodman,but if rapid work is to bedone, the force can beincreased to meet re-quirements. The level- ^la. party is responsible chestermans metallic the correct elevation of the ground at all sta-. \K^^£^^)»IS£I£I£«£«S»^«S^:X<«N^^ l^\^^^^\^^^\^^^^\^^^V^^^\^^\\^^^\\^\^^\^^^^^^^^^^\^\^^^^^^^^V^^^^^^^\:■^^\ Fio. 19. ENGINEERS into 10, 20, 30, 40, 50 and 60 parts to the inch.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1900
