Whiston, William, 1667-1752.
The calculation of solar eclipses without pa- rallaxes. With a specimen of the same in the total eclipse of the sun, May 11.1724. Now first made publick. To which is added, A proposal how, with the latitude given, the geographical longi- tude of all the parts of the earth may be set- tled by the bare knowledge of the duration of solar eclipses, and especially of total dark- ness. With an account of some late observations made with dipping needles,.in order to discover
(Continued on next card) vB