Recreations in science and natural philosophy (1844)
Ozanam, Jacques, 1640-1717 · London : Thomas Tegg · leaf 445
be required, nothing is necessary but to multiply the degree found as above by 360: thus as a degree on the varallel of London is equal to 43 miles, if this number be multiplied by 360, we shall have 15480 miles, for the whole circumference of the circle of that parallel. ’ The following table,… … PROBLEM XII. Given the latitude and longitude of any two places on the earth, to find the distance between them. We must here observe, that the distance of any two places on the surface of the earth, ought to be the arc of the great circle intercepted between them. The distance therefore of any two…
Scientific recreations
Internet Archive · University of Illinois Urbana-Champaign · Public domain (published before 1931). Free to use for anything.
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