This rather 'steampunk' gadget from 1898 just popped up on a recording history blog, it is a morse code sounder concealed in a pocket-watch case, just hook it up to the telegraph line and '..._ _ _' to your hearts content, sadly there does not appear to be enough room in the case to fit a watch mechanism.
For a reproduction of the original article, just follow the link below:
Texting, 1898 style
Minature morse code sounder
"If you do good, you'll live forever, if you do bad, you'll die hearing a single note for I am the one true sound...", Fragment found in a cult hideout.