04 – Cryptic Messages

Learn how the Germans used the Lorenz machine (the Tunny) to send secret messages using a binary code and tapes

Use this topic to introduce students to binary codes. Students will use a key to create their own binary codes, make a cipher wheel and write a coded message for a partner.

Resources

Each Challenge includes Teachers’ notes, Student Challenge sheets and a PowerPoint.

PowerPoint
Download (PowerPoint)
Film clip
Download/view film clip on Vimeo (mp4)
Teachers notes
Download teacher’s notes (PDF)
Student Challenge Cards
Download Design a research station (CREST SuperStar Challenge) (PDF)
Download Design your own code (PDF)

Jump to another topic

03 - Building Colossus

Learn about the original blueprint for Colossus, how to read a map, design a blueprint and make a scale drawing.
05 - Cracking the Code

Learn how to decipher different codes and work as a team to translate a message from German.

04 – Cryptic Messages

Resources

Jump to another topic

03 - Building Colossus

05 - Cracking the Code

Opening times

Getting here

Fish Wharf Post Office, 1936

Ships Div’n, Mount Pleasant, 1945

Tibs the Great, 1954

Stamp cancelling machine, 1948

Opening of Mount Pleasant, 1934

Telegram messengers, 1934

Telegram messenger, 1934

Van at crossroads, 1934

Post Office Home Guard, 1941

Travelling Post Office, 1881