Tugboat M. MITCHELL DAVIS assisting vessel launching, Kittery Maine, circa 1907-1915 real photo postcard, divided back J. Frank Walker 1907-1915 2014.49.9721 ViewTugboats M. MITCHELL DAVIS and PENACOOK assisting submarine V-1 at launching, Portsmouth Navy Yard, Kittery Maine, probably 1922 real photo postcard, white border 1922 2014.49.9722 ViewTugboats M. MITCHELL DAVIS and PENACOOK assisting at submarine launching, Portsmouth Navy Yard, Kittery Maine, circa 1926 real photo postcard, white border circa 1926 2014.49.9723 View
