Product Code : LOP-PLIT-0044
In metal frame 100 x 75 mm with a central aperture 63 mm diameter....
Product Code : LOP-PLIT-0045
A metal screen 75 mm diameter, with an adjustable iris diaphragm...
Product Code : LOP-PLIT-0046
A 240 V 15W white B.C. Pygmy lamp in a conical lamp house 70 mm long x 65 mm diameter....
Product Code : LOP-PLIT-0047
The micrometer slit is as above but has a heavier screw thread, 0.5 mm pitch x 6 mm diameter, carrying a drum which is divided into 50 divisions giv...
Product Code : LOP-PLIT-0048
A pointed needle, mounted on a 6 mm brass rod, giving an overall height of 80 mm approx....
Product Code : LOP-PLIT-0049
A circular metal screen 75 mm diameter with 10 mm central aperture covered with 1.5 mm mesh wire gauze....
