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.
Fitted in plastic frame Single, x4 Double, x7 Triple, x10 Single, x4, with leather pouch
Diameter 25 mm, mounted in plastic eye-grip frame x 2.5 x 3 x 3.5 x 4
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
All plastic frames
Glass, one each double convex, Plano – convex, concavo – convex, convexo – concave, Plano – concave and double concave lens, in box. Sizes in 38mm and 50mm. Lenses, Set of Six (50mm).
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