Hello,
Is anybody out there who know how I can find an interfetial glass (A.K.A. plan glass). It's a rectangular shape glass which allow you to check the planeity of a surface (all surface). You put the glass on the face, and if the surface is not plan, you see opticals ondulations on the interferential glass.
Pleez help me, I dont know where I can found it. ThanX
Edmund Optics in the United States has such items. Expensive!!! Over $100US
I wrote Pyrex and meant quartz.
Yours,
Doug Goncz, Replikon Research, Seven Corners, VA
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