Encyclopedia of architecture : a dictionary of the science and practice of architecture, building, carpentry, etc., from the earliest ages to the present time, forming a comprehensive work of reference for the use of architects, builders, carpenters, masons, engineers, students, professional men, and amateurs (1852)
Nicholson, Peter, 1765-1844, Lomax, Edward, Gunyon, Thomas · New York : Johnson, Fry & Co. · leaf 381
onsideration, let theengineer select three, of which two at least are not of thesame altitude with that on which he stands; then let himobserve the angles formed by the zenith with the visual raysdirected to these three points, and by this single observationhe may resolve the ([uestion. For… … DroMn. by. MjI A^ulholton, Knnnirfd hi) R Tlim
Architecture · Architects
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