Union officer and astronomer (1810–1862). Uncommon ALS signed “O. M. Mitchel,” one page, 7.75 x 7, October 28, 1848. Letter to an unidentified recipient with regard to samples of his astronomical journal Sidereal Messenger. In part: “I have directed my agent to send you Nos. 1 and 2, Vol. III of my journal as a specimen. In case it suits you the back volumes can be obtained.” In fine condition, with intersecting folds, one through a single letter of signature. RR Auction COA.
