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OPTICAL BENCH WOODEN, 1.5 METERS

Comprising a wooden base board with a 1.5 m scale divided in millimeters plus six sliding moulded metallic base 100 x 50 mm each with engraved line, brass pillar with screw for locking.
230 V white lamp with lamp house.
Metal object white screen 75 mm dia with gauze.
Metal object white receiving screen 100 x 75mm.
Needle mounted in rod.
Plane mirror 100 x 75 mm.
All the accessories mounted on a 6 mm brass rod which fits into the pillars and is adjustable for height.