Warning: Do not attempt these hacks on your grandmother's telegraph machine.

Basic hacks

To hack a telegraph machine, first, you'll need to understand the basics.

Intermediate hacks

To send a coded message, first, you'll need to learn the Morse code.

Once you've mastered the code, use the coding wheel to encode your message.

Advanced hacks

To hack the telegraph machine, first, you'll need to understand the ancient art of telegraph machine magic.

Certify yourself as a machine whisperer to unlock the secrets of the telegraph machine.