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Awhile back we posted up a tool “food chain” it seemed a little familiar and here’s where I think I first saw something like it, Popular Mechanics 1954 – Link.

C-Clamp food chain – Link.

Drill chuck food chain – Link.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.

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