New Hampshire 19th century state map 1877 O.W. Gray old hand color map scarceNew Hampshire Issued Philadelphia, 1876 7 by O. W. Gray & Son. Lovely antique engraved and lithographed map, with original hand color. Key at top right includes railroads, canals, towns, townships, etc. Cog railroad to Summit of Mt. Washington is shown as are various mountain heights. Minor light toning and small scattered age spotting as typical for maps of this vintage, perhaps small minor paper flaws, but to our eyes and for most people, an