CHAPTER XXVII.
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.