Newlyn datum

Newlyn datum

(ˈnjuːlɪn)
n
(Surveying) another name for ordnance datum
[named after Newlyn, Cornwall, where the observations were taken]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Full browser ?