The model is complete with lenses, a diagram showing path of rays and is fitted on stand, for demonstration.
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Metal holder with sides grooved to hold lens up to 50 mm diameter on wooden support.
Rectangular, glass, back silvered, with protective coating
Rectangular, clear, all sides polished
Brass dial head 40 mm diameter, divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on tripod stand, distance between legs 40 mm.
Sizrs are mentioned below:- Screw pitch 1 mm Screw pitch 0.5 mm
Two magnifiers built into one compact handle with a diameter of 50 mm made of acrylic.
Sizes :
Diameter 25 mm, mounted in plastic eye-grip frame x 2.5 x 3 x 3.5 x 4
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