. Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools . 640216402754033540395 4045440514405744063440694 40754408144087440934409944105441114411744123541295 4135541416414764153741597 4165841719417794184041901 41962 ^ Log, D O 123j4 56789_10111213ii15161718li2021222324252627282930313233343536373839,404142434445464748ii5051525354555657585960 P. P. 6 7 8 9 10 20 30 40 50 61 60 • 0 • • 1 • 1 • I • 2• 6 1 6^ 7 1- 8 8. 9 9. 10 10^ 20 3 20 • 30 5 30 • 40 6 40. 50 8 50. 60 5 6. 7. 8. 10^0 9. 19 29 40-0
. Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools . 640216402754033540395 4045440514405744063440694 40754408144087440934409944105441114411744123541295 4135541416414764153741597 4165841719417794184041901 41962 ^ Log, D O 123j4 56789_10111213ii15161718li2021222324252627282930313233343536373839,404142434445464748ii5051525354555657585960 P. P. 6 7 8 9 10 20 30 40 50 61 60 • 0 • • 1 • 1 • I • 2• 6 1 6^ 7 1- 8 8. 9 9. 10 10^ 20 3 20 • 30 5 30 • 40 6 40. 50 8 50. 60 5 6. 7. 8. 10^0 9. 19 29 40-0 39^ 49. 59 999998766 59 5S 6 7 6 9 6 8 8 7 8 7 8 9 8 g 8 8 10 9 8 9 7 20 19 6 19 5 30 29 5 29 2 40 39 3 39 0 50 49 1 48 7 58 57 6 7 6 7 6 7 8 7 7 7 6 9 8 7 8 6 10 9 6 9 6 20 19 3 19 1 30 29 0 28 7 40 38 6 38 3 50 48 3 47 9 57 20 193028403850147 56 17 17 16 6 1^7 1^6 7 2 0 1 9 8 2^3 2 2 2 2 C 2^6 2 5 2 5 10 2^9 2 8 2 7 20 5^8 5 g 5 5 30 8^7 8 5 8 2 40 11-6 11 3 11 0 50 14^6 14 ] i3 7 P. p. TABLE VIII.—LOGARITHMIC VERSED SINES AND EXTERNAL SECANTS. 74° 75°. 910 35363738394041424344 45464748j495051525354555657585960 67 6< 5 6 6-7 7 7 7 8 8 8 9 10 0 10 11 1 20 22 1 30 33 2 40 44 3 50 55 4 66 6-6 110 55-0 65 65 64 63 6 7 8 9 10 20 30 40 50 62 63 6 7 7 3 8 8 3 9 9 4 10 10 4 20 20 8 30 31 2 40 41 5 50 52 1 61 6-1 1020304050 7 8 91020 64 63 42 0 61. 60 17 16_ 1-612 P. P. 16 G
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