...correctness, that the error in the sum of the three angles of any triangle is scarcely, in any instance, found to exceed three seconds of a degree, and in...the degree of care employed in their construction, in the mode of using them, and the pains taken to verify their measures was such, that no error that...

...correctness, that the error in the sum of the three angles of any triangle is scarcely, in any instance, found to exceed three seconds of a degree, and in...equal precision with the rods of platina employed inJjYaiice, nevertheless the degree of care employed in their construction, in the mode of using them,...

...their position appears to have been determined with the utmost precision by the Theodolite of Ramsden. Accordingly the geodetical observations were conducted with a degree of exactness which can hardly be exceeded. Nevertheless the results deduced by the author, from this measure alone, would...

...of a degree, and in general not more than a small fraction of a second. Accordingly the gcodetical observations were conducted with a degree of exactness...the degree of care employed in their construction, in the mode of using them, and the pains taken to verify their measures, was such, that no error that...