|SIEMENS BROTHERS & COMPANY LIMITED
Wilhelm von Siemens (from 1883 Sir William Siemens) was one of five
brothers. In 1858, with his brother Werner, he set up a factory on
the site where the Thames Barrier building is now. The factory made
cables for the undersea telegraph links between Britain, Europe, North
America and the other continents. Before the telegraph, it took over
a week to send a message from London to New York — the time
it took for a ship to cross the Atlantic and deliver the message.
The electric telegraph let people send messages thousands of miles
around the world in a few minutes.