1From Benjamin Franklin to [Gaspard-Bonaventure-Timothée Ferry], 14 June 1783 (Franklin Papers)
AL (draft) and copy: Library of Congress I received some time since the Letter you honour’d me with, containing your Hypothesis for explaining the Shock given by the electric Bottle, on which you seem to desire my Opinion. It is many Years since I was engag’d in those pleasing Studies, and my Mind is at present too much occupied with other and more important Affairs to permit my returning to...