The Cheap and Dirty Foucault Tester

The Cheap and Dirty Foucault Tester

A Floppy Foucault tester

SPAC Mirror Lab - Robo Foucault Tester

A Foucault tester is born - ATM, Optics and DIY Forum - Cloudy Nights

Don't be afraid of Foucault - DIY Astronomer - Stargazers Lounge

Stellafane ATM: Build a Tester Page 1

DIY Telescope: Building a Foucault Tester

Berthold Hamburger's Homepage/Foucault Tester

Understanding Foucault - The ATMs Workshop

Easy Foucault tester plans? - ATM, Optics and DIY Forum - Cloudy Nights

Understanding Foucault - The ATMs Workshop

Learning to foucault - DIY Astronomer - Stargazers Lounge

Don't be afraid of Foucault - DIY Astronomer - Stargazers Lounge