Ballast tanks for submarines

Title: Ballast tanks for submarines
Subject: en Technology; en Tanks and Armored Vehicles
Article Title and/or Image Caption: An Emergency Means for Bringing Damaged Submarines to the Surface
Language: eng
Temporal Coverage: World War I
Date Issued: 1917-05-26
Is Part Of: Scientific American, v. 116, n. 21, 1917
pages: 526
Rights: Public Domain
Source: Scientific American
Archived by: Valerio Galesso; Marco Bortolami (editor)