AZIMUTH COMPUTATION IN THE OLD PRINCIPAL TRIANGULATION OF THE BRITISH ISLES |
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Abstract: | AbstractThe old Principal Triangulation of Great Britain and Ireland is a classic, both in execution and publication. The names of many of those who planned it, made it possible, carried it out or computed it have become legendary in the Ordnance Survey. Such are Roy, Dalby, Ramsden, Mudge, Colby, Drummond, Steele, O'Farrell and, greatest of them all, Clarke. |
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