I received your kind Letter of the 26th past, and am glad to hear that your Affairs are likely to turn out as well as you expected, and that you have made the Soap which I wanted for some Friends in France, and thereby acquir’d the knowledge of that Art.

It will not be proper to present that nautical Piece to your Academy, it being already in Possession of the Philosophical Society here, who have ordered it to be printed in their Memoirs, and it is now in the Press. It may however be read there, if you think it will be agreable; only I would have the Part struck out relating to the expediting and regarding the Voyages between N. America and England by the Diurnal Motion, being on Consideration convinc’d that it’s Effect is equal both ways. But I will, perhaps by next Post, send you some other Papers, that you may present, if you and my Friend Mr. Bowdoin should judge them not improper. I am much oblig’d by his sending that Acct. of a Dissolvent for the Stone, and request you to thank him in my Behalf.

I wish the Discovery you mention of freshening Salt Water may prove as real as it would be useful.

I forwarded Dr. Jeffries’s Memoir some Weeks since to Mr. Bowdoin by Mr. Gerry.

My Love to your Father and Mother and Brother and Sister. I am ever Your affectionate Uncle