This led to the development of "all big gun" ships, culminating in HMS Dreadnought in 1906 ... didn’t believe that superfiring turrets (one turret stacked above another) would work, and ...

Toy tinplate 'DREADNOUGHT' battleship, made in Germany for the British market. This toy was made about 1906 or just after. HMS Dreadnought, launched 1906, was a powerful heavy-gunned battleship ...