Back to 400 Years of Subs
Phillips earned an 1852 patent for a "Steering Submarine Propeller," whose main innovation was a hand-cranked propeller on a swivel joint that allowed crew to steer the vessel and control up and down movement.
Back to 400 Years of Subs
Tour U-869
|
Sole Survivor
|
Hazards of Diving Deep
400 Years of Subs
|
Map of Lost U-Boats
|
Fire a Torpedo
Resources
|
Transcript
|
Site Map
|
Hitler's Lost Sub Home
Editor's Picks
|
Previous Sites
|
Join Us/E-mail
|
TV/Web Schedule
About NOVA
|
Teachers
|
Site Map
|
Shop
|
Jobs
|
Search
|
To print
PBS Online
|
NOVA Online
|
WGBH
©
| Updated November 2000