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Handy Tricks Six

Step 33Two Long Blasts and Two Short: "Open the locks!"

$Two Long Blasts and Two Short: \"Open the locks!\"$

In the Charles river, paddling to the sea.
The works of man block the estuary
Stasterisk howls four coded blasts
The gates open up and let us past!

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Author:TimAnderson

Tim Anderson is the author of the "Heirloom Technology" column in Make Magazine. He is co-founder of www.zcorp.com, manufacturers of "3D Printer" output devices. His detailed drawings of traditional ...