Matches in DBpedia 2015-10 for { ?s ?p "HMS Waterwitch was one of only three armoured gunboats built for the Royal Navy. Uniquely she was powered by Ruthven's "hydraulic propeller", making her the first ship to employ waterjets. She was launched in 1866 and conducted comparative trials with her two sister ships. She was not employed operationally and was sold in 1890."@en }
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- HMS_Waterwitch_(1866) abstract "HMS Waterwitch was one of only three armoured gunboats built for the Royal Navy. Uniquely she was powered by Ruthven's "hydraulic propeller", making her the first ship to employ waterjets. She was launched in 1866 and conducted comparative trials with her two sister ships. She was not employed operationally and was sold in 1890.".
- HMS_Waterwitch_(1866) comment "HMS Waterwitch was one of only three armoured gunboats built for the Royal Navy. Uniquely she was powered by Ruthven's "hydraulic propeller", making her the first ship to employ waterjets. She was launched in 1866 and conducted comparative trials with her two sister ships. She was not employed operationally and was sold in 1890.".