Matches in DBpedia 2015-10 for { ?s ?p "Also known as Naysmyth's Submarine Mortar and the Steam Ram, the Anti-Invasion Floating Hammer was a semi-submerged naval ship design conceived and published by inventor James Nasmyth in 1853. The mortar had a length of 80 feet (24 m) and a beam of 30 feet (9.1 m) and was equipped with a small steam engine that drove a single propeller. The walls of the mortar were 10 feet (3.0 m) thick, protecting it against potential enemy gunfire of that period."@en }
Showing triples 1 to 1 of
1
with 100 triples per page.
- Anti-Invasion_Floating_Mortar comment "Also known as Naysmyth's Submarine Mortar and the Steam Ram, the Anti-Invasion Floating Hammer was a semi-submerged naval ship design conceived and published by inventor James Nasmyth in 1853. The mortar had a length of 80 feet (24 m) and a beam of 30 feet (9.1 m) and was equipped with a small steam engine that drove a single propeller. The walls of the mortar were 10 feet (3.0 m) thick, protecting it against potential enemy gunfire of that period.".