1From Thomas Fielder to John Adams, 10 April 1792 (Adams Papers)
The Memorial of Thomas Fielder Respectfully representing That he having invented an Apparatus for facilitating Navigation for which he has obtaind the grant of an exclusive privilege, by the requisition of Friends to the extensive utility of the Idea he has at a very considerable expence attempted the prosecution of his Design but perceiving that its completion (so as to carry it into useful...