Roto-ship on Charles River. First one built in U.S.
Roto-ship designed by MIT next to West Boston Bridge.
Rotary ship on Charles River, built by two MIT students
Roto ship built by MIT students at Navy Yard
Roto ship built by MIT students on Charles River
Roto ship built by MIT students next to USS Constitution
Roto ship at Navy Yard
Roto ship on Charles River
Roto ship next to the USS Constitution
Inspecting the roto ship at Charlestown Navy Yard
Rotoship and USS Constitution
New and old: Roto ship and USS Constitution in Navy Yard.
USS Constitution.
Ship USS Constitution
USS Constitution - Navy Yard.
USS Constitution - old spars aloft.
USS Constitution - Navy Yard
Roto-ship at pier
Roto ship in Navy Yard
Roto ship - Navy Yard
Rotor ship next to USS Constitution. Tug 'Iwana'.
Old and new: Rotor ship next to USS Constitution in Navy Yard