Administrative record - Royal Aust Svy Corps - Aust developments in the use of hovering helicopters to establish survey control - MAJ W Childs circa 1960, Major W Childs (RASvy), Circa 1960

Historical information

An RASvy document about the development and trials in the use of hovering helicopters to establish survey control. Written by MAJ W Childs (RASvy) in circa 1960. Survey Control is points of known accurate position.

Physical description

10 x A4 page report, hole punched and stapled. Booklet of typed text and diagrams

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