Polished 90 mm dia & 20 mm thick approx.
Your Rating Rate… Perfect Good Average Not that bad Very Poor
Your Review
Name *
Email *
There are no reviews yet.
Optically worked, in velvet lined case
9cm x 14.5 cm , pack of 25 sheets.
To take lenses & mirrors of upto 75 mm diameter. Comprises a wooden upright 100 mm high, with a V shaped slot to hold convex or concave lenses or mirrors mounted on a rectangular wooden base.
Ground & polished faces, edges ground. Size 50 mm high & 45 mm wide.
There are no reviews yet.