More from the Museum

Once Marconi learned about radio waves, things took off quickly. Soon there were radio rooms on ships such as the Titanic. Here is a mock up of a ship's radio room.

This radio is designed to look like a book. Don't see this sort of "camouflage" in designing radios any more. Perhaps it is because we don't see radios much any more.

A fellow named Holmes devised the first alarm system. It used this electrically actuated bell. This was taken up by Alexander Graham Bell for tell people when a call was coming in on his telephone. We are so used to this that we still simulate a bell on our smart phones when a call comes in (well, at least some of us do).

Here is one of the early devices designed by Morse to register the telegraph input.