Curt Herzstark created the Curta, a compact mechanical calculator. It's famous for its small size: a cylinder that fits snugly in the palm of your hand. Because of its design and function, it was popularly known as the pepper grinder or peppermill. Curtas paved the way for modern electronic calculators as the greatest portable devices available until the 1970s.
Patent Number: 747,073
Invention: Handheld Mechanical Calculator
Inventor: Curt Herzstark
Year: 1938
Material: Ink on Japanese museum-quality archival paper. Thickness of paper: 10.3 mil (0.26 mm). Weight of paper: 5.57 oz/yd² (189 g/m²)
- All Hatton® Press Originals measure 24"(W) x 36"(H)
- Safely packaged for shipping
- Comes with our natural wood grain frame, including pre-attached sawtooth hangers for vertical wall hanging*
- Made in the United States
*Frame is included but may be sent separately due to safety and handling
