1To John Adams from David Sewall, 6 January 1803 (Adams Papers)
I was considerably amused by a News paper publication some few Weeks since, Which Paper I have lost or mislaid.—It was a description of something that tended to the great and long desideration of ascertaining Longitude. A Gent. was said to have departed on a Voyage from Philadelphia for some Port on the Eastern Continent, and during the Voyage, told the precise Longitude the Vessell was in...
2To John Adams from David Sewall, 22 February 1803 (Adams Papers)
I have been gratified with the perusal of Mr Williams’s Observations, on the temperature of Sea Water at differt depths. And the publication is the first of the kind I have seen, or heard of, and suppose the Thermr. may be very usefull to mariners, if properly attended unto. The Gulf Stream, I am of Opinion, Occasions the sudden transitions from Cold (very Cold) to temperate and Warm—in our...
3To Thomas Jefferson from David Sewall, 10 July 1808 (Jefferson Papers)
One Ellis Dowlf was sometime since in the District Court of Maine, upon an Indictment of the Grand Jury, convicted of embezling some Oyl of the United States, while He was keeper of a light House (White Island head I think it was) in the District of Maine. For which he was sentenced to pay a small fine & the costs of prosecution. And was thereupon committed to the Jayl in Wiscassett until the...