One of the latest of the British M class of submarines. Her armament consists of a 12”-gun weighing 50 tons and firing a projectile 850 lbs. She is in reality a submersible monitor, and it needs no imagination to visualise the effect of a fleet of such monsters operating in German waters had they had an opportunity to do so.
A British super-submarine
This material is held atCardiff University Archives / Prifysgol Caerdydd
- Reference
- GB 1239 808/27
- Dates of Creation
- 1914-1918
- Language of Material
- English
- Physical Description
- 1 document