Search results
Results From The WOW.Com Content Network
The dispatcher would designate one of the trains as the "superior" train and give it right of way over the "inferior" train, which would be required to pull into a siding until the superior train had passed. Local depot telegraph operators would keep track of train arrival times at each station (referred to as "OSing" the train) and pass the ...
A telegraph key, clacker, tapper or morse key is a specialized electrical switch used by a trained operator to transmit text messages in Morse code in a telegraphy system. [1] Keys are used in all forms of electrical telegraph systems, including landline (also called wire) telegraphy and radio (also called wireless) telegraphy .
In 1878, Jesse created his own company, J. H. Bunnell and Co. Jesse constantly developed telegraphic instruments. In 1868 he received a patent for telegraph repeater, [4] printing telegraph, [5] created different telegraph sounders [6] and improved telegraph switchboard. [2] [7] He is famous for his steel lever key, which was patented on 15 ...
This caused American financial markets based in New York to become even more consolidated as they dominated the nation's economy. Prompt news of price changes is most valuable commodity traded in financial markets. With the telegraph replacing communication via steam boat and railroad train, high priority data now move across the states at low ...
Train orders could also reverse the superiority of trains, or give extra or inferior trains rights over superior trains in order to accommodate abnormal operating conditions. In North American railway traffic control, a Form 19 or 31 train order would modify their schedule. An order which did not require a train to stop was called a "Y" (yellow ...
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
Upgrade to a faster, more secure version of a supported browser. It's free and it only takes a few moments:
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!