Subminiature Foucault knife-edge tester

By A Mystery Man Writer

June 03,2024

Subminiature Foucault knife-edge tester, plus box of two illuminated knife edges

Berthold Hamburger's Homepage/Foucault Tester

Understanding Foucault - The ATMs Workshop

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Foucault Knife Edge Test — lenstest 0.9.0 documentation

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Mike Lockwood's Foucault Testing Hall of Shame

Foucault Knife-Edge Test - How to build / Tutorial

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