Equilateral Prism, Acrylic

Description

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).

Description

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

Description

90 mm diameter,16 mm thickness

Description

Diameter 25 mm, mounted in plastic eye-grip frame
x 2.5 x 3 x 3.5 x 4