I was much obliged by the Readiness with which you gratified me, by sending me a Copy of the Letter relating to the smoothing of the Sea by Oil. You will see that I have in the enclos’d, of which I beg your Acceptance, made some Use of that Letter.

Dr. Priestly, so celebrated thro’out Europe for his philosophical Writings, does me the Honour to present this Line to your Hands. His Character alone will be a sufficient Recommendation to your Civilities, and I am sure you will be pleas’d with an Opportunity of conversing with him. I am ever, with the greatest Esteem and Respect, Sir, Your most obedient humble Servant