ATM

Lenses & Correctors too - Optical fabrication of all kinds. Silvering a Mirror Complete chemical formula and procedures for doing your own silvering. The chemicals are nasty and it has to be redone about every 6-8 months, take my advice and get it aluminized instead! All About Plaster Data from U.S. Gypsum Company about Hydrocal, Ultracal, etc. Information on plaster tool making will be added here with one of the next updates. A Foucault Tester Made from scrap and surplus parts, but of the quality you might find in a production optics shop. Foucault Data Reduction (24kb) Version 3.0 (25 Sep 97) of Jim Burrows' program for analyzing foucault data. Includes the Pascal source code. Schmidt Corrector Plates A guide to making Schmidt corrector plates using the vacuum pan method. Pitch Notes A number of short items related to pitch and pitch laps. How Not to Scratch Glass Rules to live by while mirror making.