Lens, Biconvex, Acrylic

Description

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

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

Brass dial head 40 mm diameter divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on heavy brass disc, with 3 pointed legs, distance between legs 40 mm.

Description