Letter
John Ewing to Benjamin Franklin, January 4, 1770
Philada. Janry. 4th 1769 4 Sir Our Philosophical Society have at Length ordered me to draw out an Account of our Observations of the Transits of Venus and Mercury to…
Philada. Janry. 4th 1769 4 Sir Our Philosophical Society have at Length ordered me to draw out an Account of our Observations of the Transits of Venus and Mercury to…