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6 Inch Pyrex ribbed back spherical mirror with new diagonal

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6" Pyrex Molded Back Lightweight Spherical Mirror + Included is a New 1.52" Pyrex minor axis diagonal mirror.

This was one of Bill Kelley's puller mirrors to turn a sphere into a parabola.

It's F-10 so it will give good images without pulling.

Radius measures 59.90 inches

Aluminum is old but still gives good images.

Use as a lightweight Pyrex mirror blank which you cannot find today.

Edge thickness ~ .825"

Primary Mirror Weight is 0.994 lbs
Shipping in CONUS is $15.00

Thanks for looking,
Pete