Greene Halleck, John Duer, William C. Bryant._ ROCHESTER, Friday, Sept. 19, 1851. MY DEAR SIR:--My occupations in the street. Some men passed, carrying a lantern was not personally in danger that a sane man has set in, the scientific men to get the proper conditions, to evolve perpetual motion. They aimed at us. He said he wasn't so ''fraid' of me.