. Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools . 340343345348351353356359361364367370373 Log. Exs. 2> O 1 2 3 _4 5678_910111213ii15161718_192021222324252627282930313233343536373839_40414243 4546474849_505152535455565758 60 P. P. 250 6 7 8 9 10 20 30 40 50 330 6 7 8 9 10 20 30 115-0 40 153^3 50 1020304050 210 31-5 35^0 70^0 105-0 175-0 190 4 6 19^0 7 22 \ 8 25 3 9 28 5 10 31 5 20 63 8 30 95 0
. Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools . 340343345348351353356359361364367370373 Log. Exs. 2> O 1 2 3 _4 5678_910111213ii15161718_192021222324252627282930313233343536373839_40414243 4546474849_505152535455565758 60 P. P. 250 6 7 8 9 10 20 30 40 50 330 6 7 8 9 10 20 30 115-0 40 153^3 50 1020304050 210 31-5 35^0 70^0 105-0 175-0 190 4 6 19^0 7 22 \ 8 25 3 9 28 5 10 31 5 20 63 8 30 95 0 40 126 5 50 158 3 2 1 6 0-1 7 0^2 0^: 8 0^2 0. 9 0^3 0^ 10 0^3 0^ 20 0^6 0^8 30 1^0 0^5 40 1^3 0^6 50 1^6 0^8 14 1^41-61^82-12-34-67^09^3]1^6 13_ 1^^79^011-2 240 220 200 3 O ^ 13 ^8 . P. 681 TABLE VIII.—LOGARITHMIC VERSED SINES AND EXTERNAL SECANT?88** 89** P. 15 1. 1. 1. 1. 2. 4. 6. 8. 10. 133 6 7 8 9 10 20 30 40 50 12 682 TABLE IX.—NATURAL SINES, COSINES. TANGENTS, AND COTANGENTS. 0 !*> Sin. Cos. Tan. Cot. Sin. Cos. Tan. Cot. f 0 1 234 . OneOneOneOneOne . . . . 60 59585756 56789 . OneOneOneOneOne . . . .•01949•01978•02007 ^080751• 5554535251 10 11121314 . •99999 .
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