11To Benjamin Franklin from James Bowdoin, 8 June 1752 (Franklin Papers)
Copy: Massachusetts Historical Society I have read the first Chapter of Dr. Colden’s piece on Gravitation which you was so good as to inclose in yours of the 14th. Ult. and endeavoured to understand it, but with as little Success as yourself. I have ventured notwithstanding to make in the margin a few remarks on several passages, which detach’d from the rest I tho’t I understood; but it is...
12To Benjamin Franklin from James Bowdoin, 16 March 1752 (Franklin Papers)
Copy: Massachusetts Historical Society According to promise in my last, I now return you Dr. Colden’s Letter, for communicating which I am greatly obliged to you. The Dr. dissenting from you, is of opinion, that Sea Clouds are less electrified than Land Clouds, and gives the reasons of his opinion “That Salt, tho’ an Electric per se, is never raised in Sea-vapours, therefore Sea-Clouds are...
13To Benjamin Franklin from James Bowdoin, 2 March 1752 (Franklin Papers)
Copy: Massachusetts Historical Society I have received your favour of the 24th. January past, inclosing an Extract from your Letter to Mr. Collinson and Dr. Colden’s Letter to yourself, which I have read with a great deal of pleasure, and am much obliged to you for. Your Extract confirms a correction Mr. Kinnersley made a few days ago of a mistake I was under respecting the polarity given to...
14To Benjamin Franklin from James Bowdoin, 21 December 1751 (Franklin Papers)
Copy: Massachusetts Historical Society The Experiments Mr. Kennersley has exhibited here, have been greatly pleasing to all sorts of people, that have seen them; and I hope by the time he returns to Philadelphia, his Tour this way will turn to good account. His Experiments are very curious, and I think, prove most effectually your doctrine of Electricity: that it is a real Element annexed to,...