Lens, Biconvex, Acrylic

Description

75 mm long, 115 mm radii, 25 mm thickness

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

Rectangular, glass, back silvered, with protective coating

75 x 25 mm 75 x 50 mm 75 x 75 mm 100 x 25 mm 100 x 50 mm 100 x 75 mm 150 x 25 mm 150 x 50 mm

Description

Sizes :

90 mm diameter x 16 mm thick 75 mm diameter x 20 mm thick