MINOR TRIANGULATION |
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| Abstract: | AbstractWhen Clarke had written finis to his account of the Principal Triangulation he and O'Farrell (his famous chief computer) framed those simple methods of computation which were to be characteristic of the work of the “tertiary computers”. The tertiary triangulation, resting upon an adjusted primary and a rather poor-class secondary, covered the country at distances of a little over a mile between points. Points were chosen not so much for visibility as for convenience of chaining. |
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