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Semaphore example

  Secret Codes
HIDE YOUR MESSAGE BEHIND A MASK | SEMAPHORE | INCHWORDS | SCRAMBLED LETTERS | NUMBER SWITCH | BUILD A PIGPEN OR A BOX | FOLD SOME PAPER

Messages sometimes travel between ships by semaphore—a signaling system using two flags. Held in different positions, the flags stand for letters. You can send these signals on paper by drawing stick figures with arms set like the hands of a clock.

YOU WILL NEED

• Two pieces of paper
• Pencil

HERE'S HOW

  1. Print a copy of this page and give it to your friend.

  2. Study the chart above. Each box shows an alphabet letter, its flag signal, and its symbol.

  3. Think of the message you want to send. Then take a piece of paper and write your message by substituting every letter in each word with a flag symbol.

  4. Give your friend the code to decipher.

What does the following message say? Check your answer.

code example



Art by Barbara L. Gibson

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