Optical Bench 1 Meter, Wooden: Comprising a wooden base board 1100mm x 115 mm with one meter scale divided in mm & figured at every cm fixed along the front edge & complete with following accessories: Two white faced object & receiving screen, one plane mirror 150 x 100 mm, 4 lens holder V shaped, one needle mounted vertically in a short wooden rod in the centre of a wooden base. The optical centre height of all the components is 100 mm above the baseboard.
Optical Bench 1.5 Meters: Comprising a wooden base board 1600mm x 140 mm with a 1.5 meter scale divided in mm plus six sliding moulded metallic bases 100 x 50 mm each with engraved line, brass pillar with screw for locking. Accessories: one 240V white lamp with lamp house; 1 metal object white screen 75mm diameter with gauze; 1 metal object white receiving screen 100 x 75 mm; 1 needle mounted in rod 6 mm; 1 plane mirror 100 x 75 mm. All the accessories mounted on a 6mm brass rod which fits in a stand giving an optical height of approx. 125 mm above the base board.
Optical Bench 1 Meter: One meter long, for advanced research work; consists of two rods, one stainless steel & one chrome plated steel. The stainless rod is divided in mm. These are supported on heavy cast iron feet with leveling screws. Four specially designed metal sliders having a fine index mark enables reading to be taken on scale with ease & accuracy. The sliders are machined metal so they slide accurately & smoothly on the bed. Two of the sliders have transverse slow motion adjustment. Complete with 6 accessories ( 2 lens holders, 2 optical pins, 1 candle holder, & 1 screen ground glass).
Optical Bench, 1.5 Meters: Same as Optical Bench 1 Meter but 1.5 meters long.
