The Punctuator

A wheel chart [aka volvelle] that was produced in 1977 and reprinted in 1992. It is 205mm square and made of cardboard.

Click on the volvelle tag to the right for more examples.

Front and back.

Front and back images of protective case

1 comment:

Todd HellsKitchen said...

Somebody sat and designed that thing... I wonder how long that process took??