Biographical Sketch of Amos Dwinnell Leave a Comment / New HampshireAMOS, IRA and CYRUS DWINNELL were in the early days mechanics at the Flat. Surnames:Dwinnell, Topics:Biography, Locations:Croydon New Hampshire, Sullivan County NH,Collection:Partridge, Dennis N. Croydon New Hampshire Genealogy. Facebook Pinterest StumbleUpon Delicious Tumblr Twitter Evernote Gmail Print Friendly Like