APRIL 15, 1839—SEPTEMBER 30, 1840
Arrival in New York.—Disappointment at finding nothing done by Congress or his associates.—Letter to Professor Henry.—Henry's reply.— Correspondence with Daguerre.—Experiments with daguerreotypes.— Professor Draper.—First group photograph of a college class.—Failure of Russian contract.—Mr. Chamberlain.—Discouragement through lack of funds.—No help from his associates.—Improvements in telegraph made by Morse.—Humorous letter