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International: 011+1+630.543.6000

Brochure Style Calculators

Trapped Dial Volvelles

Wheel Chart Booklets

What is a "Trapped Dial"? It is a Wheel Chart in book-like construction. A turnable wheel is hidden between front and back covers. Add a cover and bind in additional pages to create a memorable and attention-getting Brochure Style Wheel Chart.

What is a Volvelle? A volvelle (French, meaning to turn) is a paper disc that, when rotated, can be used as a tool for calculations or other less scientific purposes.

Here are a few examples of trapped dial brochures and volvelles.

Click for a closer look. Let us know if you need to see samples or want to brainstorm your idea.