A simple optical toy in a tube that produces beautiful symmetrical patterns due to reflection/refraction of light from numerous small colored glass pieces.
LO-6403Â Kaleidoscope, in plastic tube
LO-6403Â Kaleidoscope, in plated metal tube
Two transparent acrylic plates (90x90)mm and (90x120)mm printed with pattern of concentric circles to represent wave fronts and to demonstrate the interference pattern of two waves on an overhead projector.
Sheet Metal box with 12V, 10W Festoon type axially straight filament lamp. The body is fitted with a cartridge for holding 4 types of slits - single, double, triple and wide slots for quick adjustment to get the desired ray/beam type and with colour filters. Also included is a convex cylindrical collimating lens for adjusting the beam type to obtain long clear tracks parallel, converging or diverging in nature
LO-6367 Ray Opcs and Colour Mixing Box
LO-6367 Light Pipe or Light Path Guide Demonstrator for demonstrating the principles of fiber opc i.e., to confine light within a guide or fiber due to total internal reflecon. A ray of light directed into its one end will be emitted out at the other end with superb display of internal reflection. Boom frosted or painted white to aid the visibility of path followed by the light ray
LO-6367Â Spare Slit Holder
LO-6367Â Spare Bulb, 12V 10W, Festoon type Axial Filament
LO-6367Spare Slit
LO-6367Spare Lens Plastic
Advance spectrometer with an improvement that the telescope and collimator are held in support rigidly and in perfect alignment. Vertical adjusting screws are provided to both the telescope and collimator. Clamping devices are provided to lock the telescope and collimator are adjustment i.e. fine adjustment to the telescope & collimator tubes are provided laterally as well as vertically
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Our Advance Student Spectrometer is a solidly - the constructed instrument, thoughtfully provided with features and accessories that assist student sin making precise measurement of spectral lines or prism angle.� High Quality, large-aperture optics produce sharp spectral images, while precision machining allows for precise rotation and accurate measurement. Resolution to1minuteof an Arc.� The 125mm or 150mm diameter, precision engraved degree plate is complemented by 2 precision engraved verniers, one on each side of the instrument for convenient reading.
Collimator:
Focal Length: 178mm
Aperture : 25 mm (adjustable by pinion & rack), adjustable rectangular slit
Telescope :
Focal Length: 178mm,
Aperture:� 25 mm (adjustable by pinion & rack), fitted with 10xRamsden eyepiece with cross-line graticule.
Eyepiece :
Ramsden x 10 fitted with cross wire
Fixation Stand :
A diffraction grating spectroscope for viewing visible lines and absorption spectra. The spectrum is visible, superimposed on a scale, which gives the approximate wavelengths. The high-resolution diffraction grating replica used produces an extremely bright spectrum. The complete body of unbreakable molded plastic and can easily be held in the hand. The construction eliminates internal reflections to provide the sharpest, clearest spectrum possible.
This apparatus consists of two identical units, each provided with Polaroid disc mounted in a rotatable mount, with aperture of 25mm. Both rotatable mounts have a lever to add rotaon and a pointer which traverses a 75mmdiameter brass silvered scale divided into 360 1. The size is universal and can be fied to any size of collimator and telescope. To fit over the object end of telescope and colimator.
A compact visible spectrometer which allows the direct reading of spectral length and employs a prism for dispersion. It is also useful for flame test of basic radicals (sodium, stronum, potassium, copper etc.) There is a single eyepiece and independent focussing tube for the gracule, which carries an index at 590mm, with Dâ?? marked right below the scale, (corresponding to the wave length of sodium light) can be calibrated to a known light source by adjustment of knurled screw. The amount of light admited to the spectroscope can be regulated by a variable slit, adjusted by a knurled ring round the rating tube.
This system is easy-to-use and inexpensive, with a variety of safety features that make it suitable for beginning labs. Mount any of the 8 different spectral tubes into the power supply and turn it on. The 26cm long tubes a re capillary-thin over the middle 10 cm, providing sharp, bright spectra.
Features Student Safety:� The tubes mount from the front of the supply and snap into moulded sockets that fully enclose the conducve ends. The all metal case is electrically grounded.
Spectral Tube Safety: A c u r r e n t l i m i n g transformer protects the tubes. A protecve shield also helps safeguard the tubes, while blocking unwanted ambient light for clear viewing
Interference fringes are clearly seen when the apparatus is viewed in sunlight, fluorescent light or monochromac light. The glass plate and convex lens are held in a heavy aluminum frame having three adjusng screws. The frame is 9 cm in diameter and aperture is 5 cm.
This aluminium metal box is round in shape & mounted horizontally on a sturdy metal base. Box is provided with one slit fitted with iris diaphragm to control the intensity of light. Bulb holders & lead of finest quality are fied in box to give you trouble free working for long life. This mount is suitable for 35W as well as 55W Lamp. Supplied without bulb & transformer.
An 80 Watt choke of excellent quality is clamped on a heavy steel cabinet. An Anchor make piano type switch ad 5-pin socket is provided for on/off and output respectively
The Iron sheet box is round in shape & mounted vertically on a heavy cast metal stand. Only one slit is provided. Bulb holders & lead of finest quality are fitted in box to give you trouble free working for long life. Suitable for 80W lamp. Supplied without lamp & choke.
Specially designed for easy to use, moderately priced, for colleges and research laboratories. Ideal for determining the specific rotaon of optically acve substances. Our Polarimeters are now extensively used in industrial laboratories as well. A corning glass tube is enclosed in a circular aluminum tube with top door for access and exclusion of external light. The circular scale is aached near the analyzer and the range of measurement is 0 360�°.A movable Vernier on the scale enables reading of optical rotation to 60 seconds. Worm and gears combine rough and fine adjustment, provided with , giving three parts field for easy seng, adjustable half shadow angles. This instrument can be used on monochromtiac light only. When light passes through a polarized sheet and then through the soluon, the emerging light is observed through rotatable polarized lens, analyzer which is used as eyepiece. The angle of lighs rotated and read directly on the circular scale. Supplied on the adjustment stand, Packed in cardboard box with working manual.
Laser Reflection and Refraction Tank demonstrates the principle of reflection and refraction. The clear circular acrylic tank has a circular scale graduated on the white base of the tank, making it easy to measure angles. Adjust the pivot-arm mounted laser to any angle along with its full 360�° range and measure the angle of reflection or refraction. Rotate the laser and observe first a reflected ray, then both a reflected and refracted ray, and finally just a refracted ray. Leveling screws on the tank's base make leveling quick and easy. The laser is attached to the pivot-arm by a magnet and can be removed for use in other experiments. Instructions included.
Fresnel Biprism setup illustrates about the phenomenon of interference of light. With the help of interference phenomenon, we can find the wavelength of monochromac light source like sodium light in a very easy manner. Complete with opcal bench of one meter long with 5 riders & Bi-prism assembly and Fresnel Bi-prism . Supplied without sodium light source.
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