Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge : University press · leaf 194
I. Beacon for intersected point. … 2. Quadripod beacon for triangulation.Uganda-Conm Bmmdarv. ......... Phot, by dipt. E. M. Jack, R.E. TOPOGRAPHICAL SURVEY 141 caused by errors in this setting up and centering. To avoidthese difficulties an excellent form of self-centering beacon hasbeen introduced by the Survey of Egypt. The…
Maps · Surveying
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