The methods used in primary level and triangulation work in unsettled and broken country (1909)
Stewart, John Truesdale · leaf 52
group of circuits. On the nlanindicate the names of a -sufficient number of places to readilvidentify the lino. If there are public-land surveys show the posi- ■ th«J«i° P + fJ Vfr>jTe tha !ina is recorded. All levelmen should mark rm of rca : n the page and book in which the notes will be found… … A was to seoure a location where the instrument was well protectedfrom both sun and- wind, the telescope was taken out of the wyesand the telescope rings, and the wyes carefully wiped and cleanedwith the thumb, after which the ordinary wye level adjustmentswere made. • If these precautions were not…
Geodesy · Surveying · Triangulation · Theses
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