The theory and practice of surveying. Designed for the use of surveyors and engineers generally, but especially for the use of students in engineering (1886)
Johnson, J. B. (John Butler), 1850-1902 · New York, J. Wiley & sons · leaf 646
are as therein stated. George Lightfoot,U. S. Deputy Mineral Surveyor. Subscribed by said George Lightfoot, U. S. Deputy Mineral Surveyor,and sworn to before me this 26th day of April, 1886. [Seal] John Doolittle, Notary Public. APPENDIX C. FINITE DIFFERENCES. THE CONSTRUCTION OF TABLES. In the… … I I I I Fig. 152. Values of the function, h^, hi, hi, hz, h^, h^. First order of differences, ^h^. ^h^, ^h^, ^/«3> ^h^. ^/4j Second A h^. A h,, Aa^, Aa^, Aa^. Third Aa^, z//.,, A/i^, /J/^^. Fourth • ^V.o. -/^i. ^Aa. etc., eic. 6o6 SURVEYING. We may now write h^ := K \- /ih,\ h., = h, + ^h, = /to…
Surveying
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