Letter
David Colden to Benjamin Franklin, August 12, 1756
August 12th. 1756 Sir You oblidged me very much by communicating your Electrical Experiments made in pursuance of those by Mr. Canton: 8 I shall think myself fully rewarded for…
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Letters from David Colden
2 lettersLetter
David Colden to Benjamin Franklin, September 18, 1757
Septr. 18th. 1757 Sir About the time you left America I was employed in endeavouring with my Fathers assistance to form an Explication of the Phenomena of Electricity, on his…