#granvilletwoodsUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemit FeedbackSteemitCryptoAcademyআমার বাংলা ব্লগKorea • 한국 • KR • KOSTEEM CN/中文Steem AllianceComunidad LatinaWORLD OF XPILARAVLE 일상SCT.암호화폐.CryptoTron Fan Club#granvilletwoodsTrendingHotNewPayoutsMutedtahirafd (37)in #granvilletwoods • 10 months agoGranville T. Woods: The Innovator Who Revolutionized Train Travel SafetyGranville T. Woods patented the Synchronous Multiplex Railway Telegraph in 1887, transforming train travel safety.…