Polished 90 mm dia & 20 mm thick approx.
Your RatingRate…PerfectGoodAverageNot that badVery Poor
Your Review
Name *
Email *
There are no reviews yet.
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.
Diffraction Gratings replica mounted on a plate glass.. 2400 (lines/in) 7500 (lines/in) 15000 (lines/in)
Ground & polished faces, edges ground. Size 50 mm high & 45 mm wide.
Kit includes 5 liters round bottom flask with cork, support ring, fluorescein and 3 lens to demonstrate long, short and normal sight.
There are no reviews yet.