. Railroad construction : theory and practice : a textbook for the use of students in colleges and technical schools . 50 43 6 7 8 5^7 9 6^^: 10 7. , 20 30 40 50 35.^ 33 6 7 8 9 10 3^8 20 7-6 30 11-5 40 15^3 50 23 2^22^63^0343^ 22 ^52^ P. P. 667 TABLEVIII.—LOGARITHMIC VERSED SINES AND EXTERNAL SECANTS60* 61° , 0 123 5 6 7 8 _9 10 II 12 13 ii 15 16 17 18 19 20 21222324 2526272829_30313233343536373839 40 414243 44 45464748ii6051525354 .••
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Keywords: ., book, bookcentury1900, bookdecade1900, bookpublishernewyorkjwiley
