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RAY OPTICS KIT (LSE)
| Kit consists of two lamp holders, each in metal shade with two axial slots & mounted on metal support rod. Holder complete with approx. 1.2 meter wire P.V.C. covered cable & 12V 24W axial filament lamp. One each right & left hand cylindrical lamp shields, in matt black ‘combs’; with 17 equal spaced parallel slots, Two black plastic plates, each with single & triple slits, two comb & plate holders, a spring loaded clip mounted on metal support bracket, 4 metal light barriers, 4 each plano-convex cylindrical lenses, 50x50mm, +7D, two each cylindrical lenses 50x50mm respectively, plano convex +10D, +17D, plano concave -17D. |
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RAY TRACK APPARATUS (LSE)
| A compact visual teaching aid which is robust in construction wood board 400x280x13mm with matt white surface, mounted on rubber feet carries a circular scale with four quadrants 0 - 90? graduated every 2?, with two lines at right angles. The ray box is provided with slots to accommodate metal slits, colour filters, lenses etc., & is fitted with a 12V 24W line filament.
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PIN HOLE CAMERA (LSE)
| To illustrate images produced by small apertures. Comprising a polished wooden box with a ground glass screen at one end and a hole at the other.
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PINHOLE CAMERA KIT (LSE)
The kit consists of the following items. 8 cardboard boxes 150x100x100mm with hole, screen and lid, 50 sheets of black paper 200x250mm, 1 x 200 W lamp, 1 mounted lamp holder with flex, 1 packet of pins.
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READING TELESCOPE (LSE)
Designed for general laboratory work. The telescope is mounted on rod 18mm diameter and 450mm long fitted on a heavy tripod base. The telescope can be rotated both in vertical as well as horizontal plane. It is fitted with 180mm focus achromatic object with 25mm clear aperture, 10x Ramsden eye piece with cross wire. The telescope is focused by rack & pinion & has a range from one meter to infinity; with Perspex scale & its attachment.
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REFLECTING TELESCOPE (LSE)
A high quality instrument with a resolving power of 1.5 seconds. The 100mm diameter, 100cm focal length mirror gives relatively more light & less chromatic aberration than an equivalent refractor. Magnifications of upto 250x are obtainable. The telescope has an equatorial mount with hour and declination circle & micro adjustments with flexible connections to avoid vibrations. The whole is mounted on a heavy 1.52 m tripod with an accessory tray. Supplied complete with two interchangeable eye lenses 6mm & 20mm, a 2x Barlow lens, sun filter, moon filter, a 5x24 star finder telescope (with mount on main telescope body), a solar aperture cap & an instruction booklet with space & moon maps.
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ASTRONOMICAL TELESCOPE (LSE)
Studying model, complete with lenses, mounted on metal foot with diagram of rays shown for demonstration.
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GALILEON TELESCOPE (LSE)
Complete model with lenses, mounted on metal foot with diagram of rays shown for demonstration.
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TERRESTRIAL TELESCOPE (LSE)
Complete model with lenses, mounted on metal foot with diagram of rays shown for demonstration.
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OPTICAL BENCH 1.5 METERS (LSE)
Comprising a wooden base board 1600x140mm with a 1.5 meter scale divided in mm plus six sliding moulded metallic bases 100x50mm 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 100x75mm; 1 needle mounted in rod 6mm; 1 plane mirror 100x75mm. All the accessories mounted on a 6mm brass rod, which fits in a stand giving an optical height of approx. 125mm above the base board.
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OPTICAL BENCH 1 METER (LSE)
| One meter long, for advanced research work; consists of two rods, one stainless steel & one chrome plated steel. The stainless rod is divided in millimeters. These are supported on heavy cast iron feet with levelling 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). |
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OPTICAL BENCH 1.5 METERS (LSE)
Same as per Cat. No. 10738 but 1.5 meters long.
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PRISM TABLE (LSE)
A brass disc 75mm diameter mounted on a 62mm rod giving an overall height of 62mm.
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CROSS WIRES (LSE)
A circular blacked metal screen 75mm dia. with a 10mm diameter aperture & cross wire of 26 swg wire. Mounted on a 6mm brass rod giving a centre height of 80mm approx.
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OBJECT NEEDLE (LSE)
A pointed needle, mounted on a 6mm brass rod, giving an overall height of 80mm approx.
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