A look at transatlantic cables from 1897, including pictures of the "telegraphic alphabet", punched tape messages, equipment used to lay cables and receive messages, etc. etc.
http://forgottenfutures.com/library/telegraph/telegraph.htm For some reason OCR on this one was a total sod, so please be extra vigilant for errors, there are undoubtedly a few I've missed. This will probably be the last article for a few days, I need to do something which doesn't involve staring at a screen for hours on end...