Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge : University press · leaf 188
Reconnaissance ladder incourse of erection. 3. Double tripod scaffold fortheodolite and observer. Recotinaissancc ladder and beacon.Service Geograpliiqiic de PAnnie. Designed by Commandant L. 7Jiira/id,II- Regimen/ dArtilleric. TOPOGRAPHICAL SURVEY 137 a chain should start from one base and close…
Maps · Surveying
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