Matches in DBpedia 2015-10 for { ?s ?p "The Beardslee Telegraph was a portable military telegraph developed by George Beardslee and adopted by Albert Myer to provide a mobile field telegraph system. The instrument was operated by hand-turned magnetos and did not require the heavy batteries needed in the civilian telegraphs."@en }
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- Beardslee_Telegraph comment "The Beardslee Telegraph was a portable military telegraph developed by George Beardslee and adopted by Albert Myer to provide a mobile field telegraph system. The instrument was operated by hand-turned magnetos and did not require the heavy batteries needed in the civilian telegraphs.".