The 12"/50 caliber Bethlehem gun was a US naval gun designed in 1910 as the main armament for the Argentine Navy's dreadnought battleships of the Rivadavia class.
a main gun of the battleship ARA Moreno during its construction, sometime between 1910 and 1915.
12"/50 Bethlehem steel gun on a coastal mount for Chile
Main deck and guns of Moreno
ARA Rivadavia
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ARA Rivadavia was an Argentine battleship built during the South American dreadnought race. Named after the first Argentine president, Bernardino Rivadavia, it was the lead ship of its class. Moreno w
ARA Rivadavia
Rivadavia on its speed trials