1844 Rooms at the Genesee Hotel, Batavia, New York.
J. M. Dexter was recorded in an advertisement that ran from July 23 to September 4, 1844 in The Spirit of the Times (Batavia, New York). Colored Photographic Miniatures, taken in one minute. Mr. J. M. Dexter respectfully informs the citizens of Batavia and its vicinity, that he has received all the late improvements in the art of taking Miniatures by the Daguerrean System. He will stop a short time at the Genesee Hotel, for the purpose of taking exact likenesses of those persons who may favor him with a call. Miniatures taken in clear or cloudy weather, and with any expression of countenance the person may wish to assume. Miniatures from Portraits accurately taken. Specimens of the art may be seen at his Rooms. Mr. D. also gives instructions in this truly wonderful art and furnishes the Improved Daguerrean Apparatus on reasonable terms. Call and see.
J. M. Dexter is not listed in other photographic directories. Craig’s Daguerreian Registry does list a Dexter C. 1845 in Albany, New York it is unknown if they are the same person.