WWII Innovations: The Fruit of the Manhattan Project | The National WWII Museum | New Orleans
Patrick Chovanec on Twitter: "The u-boat normally ran on the surface using its diesel engines (which needed oxygen and an exhaust outlet), reaching a much faster top speed of nearly 18 knots.
In WWII, when subs were submerged, but charging their batteries, was there a plume of diesel smoke? - Quora
Saddle tank (submarine) - Wikipedia
The Nazi U-boat sunk by a toilet malfunction | The Scotsman
German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net
U-boat Batteries - Technical pages - German U-boats of WWII - Kriegsmarine - uboat.net
U-boat | German submarine | Britannica
German Industries and the U-boat offensive - Technical pages - German U- boats of WWII - Kriegsmarine - uboat.net
U-boat | German submarine | Britannica
U Boat Graphic 1 Stock Photo - Alamy
ARKMODEL German U-Boat Type VIIC RC Submarine 1:48 Scale Models Plast – ARKMODEL-HOBBY
The German submarines now operating against the British fleet in the North Sea, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10678605 | agefotostock
Monsun Gruppe - Wikipedia
A secret WW2 German U-boat base, Nazis on the run, macabre facilities for facial reconstruction surgery – the shady past of Spain's Fuerteventura - Olive Press News Spain
How did diesel submarines, like U-boats, vent exhaust without giving away their position? - Quora
H I Sutton - Covert Shores
South Korean Lithium-Ion Extends Submarines' Life - News about Energy Storage, Batteries, Climate Change and the Environment
April 14, 1945: Tweaky Toilet Costs Skipper His Sub | WIRED
U-boat Batteries - Technical pages - German U-boats of WWII - Kriegsmarine - uboat.net
The Remains of the U-Boats' Watery Reign - Atlas Obscura
Academy German Navy U-Boat IXB...1/150 NIB 603550014420 | eBay
H I Sutton - Covert Shores
Charles Fryatt: The man executed for ramming a U-Boat - BBC News
U-boat - Wikipedia
