Bushnell's submarine was made of wood.
The first submarine called The Turtle by David Bushnell was made by oak.
He Invented The First Submarine And It Was Made Out Of Wood.
Wood with copper fittings.
David Bushnell's Turtle was made from wood.
David Bushnell's first sub was made out of wood because it was not that modern.
Bushnell built his submarine, the "Turtle", in early 1776 and first used it in September that year.
David Bushnell
It was invented by David Bushnell.
david bushnell
David Bushnell
David Bushnell
David Bushnell