• Invar Cubic Inch
  • Invar Cubic Inch
  • Invar Cubic Inch
  • Invar Cubic Inch

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Invar Cubic Inch

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An absolute unit.

 

The Invar Cubic Inch is a reference object and an homage to the oft-maligned Imperial measurement system. Metric may be more sensible, mathematically agile, and better suited to the precise needs of modern measurement — but where’s the charm?

Yes, three barleycorns to make an inch may seem imprecise, but we’ve since standardized the lovable unit. To mark this achievement, we machined it  from Invar, a Nickel-Iron alloy so dimensionally stable that its discovery earned the Nobel prize in physics in 1920. Nothing on Earth can come close to its inherent invariability. Accurate to ±0.001”, the Invar Cubic Inch is an indisputably precise reference unit. It’s also just a fun thing to have around.   

  • 1" x 1" x 1" Invar cube
  • ±0.001" precision
  • 4.7 oz

2 - 3 days delivery within USA

Free shipping on orders $125 +

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