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Optical Disc, Harley’s (P-7000)
A 30cm. dia, white painted steel disc marked from 0 to 360° at every 1°, with centre mark, on a stable cast iron base. The main disc and the lamp house (with 12V, 24W bulbs) can be rotated and held in any desired position. With the lamp house, a rotatable disc with single, double, triple and quadruple slits and with adjustable lens carrier with lens for divergent, parallel or convergent light beams is provided. Optical elements provided for reflection are 50 x 25mm, plain glass mirror and a polished plated metal cylindrical mirror. Optical element for refraction is semi circular, bi-convex, bi-concave, right angle prism and trapezoidal acrylic blocks. These Optical elements have powerful magnets attached for fixing of blocks to the disc.
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Optical Elements (P-7005)
Consist of 6 pieces of optical components. Supplied in a partitioned velvet lined box, to be used for P-7000.
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Ray Optics Box (P-7015)
A ventilated lamp house having an open front with extended sides finned externally for heat dissipation and vertical internal grooves to accommodate a slit plate and cylindrical lens. It has a light source comprising 12 volts lamps in a holder with one meter of twin flex having banana plugs. Complete with metal plate having single and triple slits and whitened on one side and other side black matt. Without lens.
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Ray Optics and Colour Mixing Box (P-7020)
It comprises a double ended metal box to enable two sets of students work independently with the same box. Side apertures are provided for colour mixing experiments and have blanking plates, when the side apertures not in use. This kit is very useful for reflection, refraction and colour mixing experiments. The light box consists of a light source (12V, 24W lamp) producing convergent, divergent, or parallel beam. On one end, an adjustable cylindrical convex lens (for parallel beam) and on the other end, a triple aperture system for colour mixing experiments (lateral aperture are provided with adjustable hinged mirror). All apertures in the box are provided with vertical channels to hold slits plates and colour filters. The optical set includes : a) 10 acrylic blocks b) Set of three mirrors c) 2 slit plates one with three narrow slits at one end and one narrow at other end. d) Black plate with four narrow slits at one end, one wide slit at the other end. e) Set of seven mounted colour filters.
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Optical Board, Rectangular (P-7022)
Comprises of M.S. sheet, 75 x 100 cm, mounted on two side pillars, The light box consist of a light source (12V, 24W lamp) producing convergent, divergent, or parallel beam and on other end, a triple aperture system for colour mixing experiments. Supplied with all necessary optical components which are held on the board with magnets.
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Filters (P-7025)
Coloured, gelatin film, 50x50mm mounted in card (a) Red (b) deep blue (c) green (d) compound yellow (e) magenta (f) peacock blue (g) deep red (h) orange red (i) yellow green (j) pure green (k) blue green
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Ray Optics Kit (P-7040)
Specially developed kit, of components, to enable students perform a number of experiment in ray optics. Students can demonstratively investigate linear propagation of light rays, focusing by cylindrical lenses, focusing of multiple rays showing aberration, law of reflection, refraction in water, prisms etc. etc. The kit comprises of 2 lamps and stands, 1 pair of housing shields, 2 combine single and triple slit plates, 2 multiple slit combs, 2 holders for combs and slits plates, 4 wooden light barriers, 4 plano cylindrical lenses + 7D, 2 plano cylindrical lenses + 10D, 2 plano cylindrical lenses + 17D and 2 plano cylindrical lenses - 7D.
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