continents.

It was not, however, until the spring of 1844 that he had his line and
its appointments in such a condition as to allow the transmission of
messages between the two cities, and it was in May of that year that
the incident occurred which has chiefly led to the writing of this
paper.


MR. LATROBE'S RECOLLECTIONS.

MY DEAR MR. POE: Agreeably to my promise, this morning I put
on paper my recollection of the introduction of the magnetic telegraph
between Baltimore and Washington. I was counsel of the Baltimore &
Ohio Railroad Co. at the time, and calling on Mr. Louis McLane, the
President, on some professional matter, was asked in the course of
conversation whether I knew anything about an electric telegraph which
the inventor, who had obtained an appropriation from Congress, wanted
to lay down on the Washington branch of the road. He said he expected
Mr. Morse, the inventor, to call on him, when he would introduce me to
him, and would be glad if I took an opportunity to go over the subject
with him and afterward let him, Mr. McLane, know what I thought about
it. While we were yet speaking, Mr. Morse made his appearance, and
when Mr. McLane introduced me he referred to the fact that, as I had
been educated at West Point, I might the more readily understand the
scientific bearings of Mr. Morse's invention. The President's office
being no place for prolonged conversation, it was agreed that Mr.
Morse should take tea at my dwelling, when we would go over the whole
subject. We met accordingly, and it was late in the night before we
parted. Mr. Morse went over the history of his invention from the