Assertion: armored steam powered warship | /r/HasProperty | built for the american navy
Facets:
value: in the next several decades
type: TEMPORAL
Source sentences:
text: The unique design of the ship, distinguished by its revolving turret which was designed by American inventor Theodore Timby, was quickly duplicated and established the monitor class and type of armored steam-powered warship built for the American Navy in the next several decades.