Chicago : Engineering and Contracting Pub. Co. · leaf 606
ipod foran observer 5 ft. 10 ins. tall weighs 27% lbs.t tSee Appendix 8, Report for 1899, Coast andGeodetic Survey. tFor a complete description of the above in-strument see Appendix 3, Report for 1903, Coastand Geodetic Survey. The rodst used in this work are graduatedin the metric system,… … Fig. 1—Position of Rod and Rodman; Markon Rail as Turning Point. standardized at the beginning and end of theseason, and they are measured with a standardsteel tape in the field at least twice each monthto detect any changes which may take place.The rods are impregnated with paraffine toprevent…
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Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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