'In 1775 David Bushnell built the first of these underwater craft used by the military'
Submarines
INVENTORS: In 1775 David Bushnell built the first of these underwater craft used by the military
In 1775 David Bushnell built the first of these underwater craft used by the military
In 1775 David Bushnell built the first of these underwater craft used by the military
INVENTORS
Submarines
INVENTORS