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THE YELL AERIAL TRIANGULATION EXPERIMENT

The paper considers the experimental comparison of a method of aerial triangulation in previous experimental use by Eden and the standard Ordnance Survey method using stereocomparators. The accuracy of plan fixations was high by both methods, with Eden's method providing the better result. A comparison is made of the times taken under experimental conditions for both methods. 
 
Resume 
 
Cette communication compare une nouvelle methode d' aerotriangulation due a J. A. Eden avec celle utilisee depuis longtemps a l' Ordnance Survey.