Plastic moulded ray box featuring ventilated metal lamp housing.
One single slit and two triple slits provided with ray box which can be used simultaneously.
A 12 V, 2 A bulb with a vertical filament is used as a light source.
Dissecting Magnifiers mounted on metal base horse shoe shape wrinkle painted with universal ball and socket arrangement for adjustment of the lens according to the position required.
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).
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.
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