Labels:bicycle | person | prong | road | screw OCR: Titanic's Tpropellfers lwereastall asahouse. Titanic's two wingpropellers had three blades each, with afull diameter 0f23 1/2 feet The central turbine propeller had foot The ofthe screws were made of hronze and the inner screw of manganese bronze The bosses, or rings that tur-n'ed o.n the were apeur O caststeel. steel
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