#granvilletwoodsUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文Comunidad LatinaBeauty of CreativityTron Fan ClubAVLE 일상Steem POD Team#granvilletwoodsTrendingHotNewPayoutsMutedtahirafd (37)in #granvilletwoods • last yearGranville T. Woods: The Innovator Who Revolutionized Train Travel SafetyGranville T. Woods patented the Synchronous Multiplex Railway Telegraph in 1887, transforming train travel safety.…