Matches in DBpedia 2014 for { ?s ?p David Brooks was an Philadelphia, Pennsylvania inventor, remembered for an innovative insulator for telegraph lines in 1864 and 1867. He patented it while working for the Central Pacific Railroad. His patents allowed the railroad to more easily communicate with construction crews building the First Transcontinental Railroad in America.The insulator had a thick metal casing around blown glass; the assembly was held together with molten sulfur.. }
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- David_Brooks_(inventor) comment "David Brooks was an Philadelphia, Pennsylvania inventor, remembered for an innovative insulator for telegraph lines in 1864 and 1867. He patented it while working for the Central Pacific Railroad. His patents allowed the railroad to more easily communicate with construction crews building the First Transcontinental Railroad in America.The insulator had a thick metal casing around blown glass; the assembly was held together with molten sulfur.".