1From Benjamin Franklin to Ingenhousz, 16 January 1784 (Franklin Papers)
ALS : New York Public Library; copy: Library of Congress I have this Day received your Favour of the 2d Instant. Every Information in my Power respecting the Balloons I sent you just before Christmas, contain’d in Copies of my Letters to Sir Joseph Banks. There is no Secret in the Affair, and I make no doubt that a Person coming from you would easily obtain a Sight of the different Balloons of...