Assertion: frigate's armament | /r/HasProperty | 9.2-inch 230 mm
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Source sentences:
text: The armored cruisers of the 1890s greatly resembled the battleships of the day; they tended to carry slightly smaller main armament (9.2-inch (230 mm) rather than 12-inch) and have somewhat thinner armor in exchange for a faster speed (perhaps 21 knots (39 km/h) rather than 18).