. The railroad and engineering journal . Vol. LXIII, No. 4.] ENGINEERING JOURNAL. 179 No. 17. Wooden Culvert.—Plate ioa, Figs. 3 and 7. Depth of Bottom of Culvert BelouProfile Grade. Dimensions of limber. Ft. s Ft. Ft.■5 Ft. Number of Pieces. 6 in. X 12 in. X 7 ft- Sills 2 in. X 6 in. X 15 ft. Floor 8 in. X 12 in. X 15 ft- Sides g in. X 12 in. X 13 ft. 6 in. Sides . 8 in. X 12 in. X 6 ft. Top 6 in. X r2 in. X f ft. ?i in. X 20 in. Bolts ■t-is44S 278 48 8 3612 4 IQ 4736 4516 4 4 3 ■ 5 59 72 44 54 ■46324 64 Nu. 18. Wooden Culvert.—Plate ioa, Figs. 4 and y. Dimensions of Timber. 6 in.
. The railroad and engineering journal . Vol. LXIII, No. 4.] ENGINEERING JOURNAL. 179 No. 17. Wooden Culvert.—Plate ioa, Figs. 3 and 7. Depth of Bottom of Culvert BelouProfile Grade. Dimensions of limber. Ft. s Ft. Ft.■5 Ft. Number of Pieces. 6 in. X 12 in. X 7 ft- Sills 2 in. X 6 in. X 15 ft. Floor 8 in. X 12 in. X 15 ft- Sides g in. X 12 in. X 13 ft. 6 in. Sides . 8 in. X 12 in. X 6 ft. Top 6 in. X r2 in. X f ft. ?i in. X 20 in. Bolts ■t-is44S 278 48 8 3612 4 IQ 4736 4516 4 4 3 ■ 5 59 72 44 54 ■46324 64 Nu. 18. Wooden Culvert.—Plate ioa, Figs. 4 and y. Dimensions of Timber. 6 in. X 12 in. X 6 ft. Sills 2 in. X 6 in. X IS ft-Floor 10 in- X 12 in. X 15 ft- Sides IQ iiL X 12 in. X 13 ft. 6 in. Sides10 in. X 12 in. < 12 ft. Sides 8 in. X 12 in. X 4 ft. S in. 6 in. X 12 in. X 4 ft. 8 in. ..X in. X 20 in. Bolts Depth of Bottom of Culvert BelowProfile Grade. Ft. 5 Ft. Ft. Ft. Ft. , ao 25 30 Number of Pieces. 444S1628 6 8 10 13 18 24 30 36 10 16 22 28 4 4 4 4 4 4 7 9 12 ■4 29 42 54 67 40 5
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
