60MM LONG X 12MM THICK.CLEAR ON BOTH SIDES AND EDGES.

For studying the laws of optics. Made of 15mm thick and 32mm wide with two parallel sides 90mm and 40mm long at angles of 45° and 60°. One large surface is frosted enabling to follow the path of light.

To show spectral lines of pure substances. Mercury and helium tubes can be used as sources for experiments on the measurement of wave length of light. The gas pressure used results in well-defined emission spectra. These are glass tubes about 26cm long, central capillary portion about 9-10cm long with electrodes sealed at both ends and connected to lead wires protected by metal caps. Provided with loops welded to caps for electrical connection. Needs an induction coil 5cm spark, or a suitable transformer. Except for neon and helium, these can not be used as lamps. Length of capillary portion can be varied as required. For intermittent use.

For optically slowing or completely stopping any object in motion and for measuring the frequency of periodic motion. Consists of a black metal disk of 250mm diameter with 12 evenly spaced radial slits extending to its edge, an axis hole for mounting a handle and a finger hole. Handle and mounting screw are included.

For quantitative examination of spectral composition of white light, radiant bodies etc. Comprises a metal draw-out tube of 20mm diameter, with an adjustable slit at one end. The light passing through this slit falls on the prism elements and break up into a spectrum. This can be viewed through an eye piece at the other end of the tube. Fully drawn-out length is 130mm. Supplied in a velvet lined case.

For basic experiments in optics. Made of optically true glass, with protected silver coating.
View details for available sizes.

For basic experiments in optics. Made of optically true glass, with protected silver coating.

Spherical glass mirror, diameter 75mm, focal length 200mm. Metallized coating on one side so that one side acts as a concave mirror and the other as a convex mirror.

Includes the following glass lenses or prisms. Frosted faces. Thickness 10mm. Packed in a velvet lined case. Spherical bi-convex lens, length 85mm Spherical bi-concave lens, length 85mm Triangular right angle prism (90ß-45ß-45ß), hypotenuse 75mm Trapezoidal prism, base 85mm Semicircular lens, diameter 85mm Circular lens, diameter 85mm

For demonstrating important principles of optics such as reflection by various shapes of mirrors, refraction through several types of lenses, total internal reflection and dispersion. The apparatus consists of a satin finished metallic disc about 30cm in diameter, graduated around the circumference in 360ß. A handle on the back can be used to rotate the disk through 360ß in a vertical plane about a horizontal axis perpendicular to the plane and passing through the center of the disk. The disk is partially shielded by a hood adjustable through 360ß degrees. On the hood is a circular plate with slits to allow ray or rays of light to pass and fall on the optical elements. The hood also has a slot for placing red, green and blue filters. The disk face is outlined for various optical elements so that light coming through these slits strikes them at correct angles. The disk is mounted on a heavy tripod base. A strong source of light for sending parallel rays through the slits and on to the shielding screen is required. Optics and filters are not included.

Semi circular blocks are available in two different sizes and types.
Blocks of diameter 75mm and thickness 12mm are available in glass and Acrylic.
Blocks with diameter of 65 mm and thickness of 15mm are are only available in Acrylic.

Dimensions are:

Suitable for biology laboratories because of its wider field and larger focal length. Comprised of a double convex glass lens of diameter approximately 100mm, focal length 250mm and magnification 2X, framed in a plated brass ring. Mounted in a swivel with flexible gooseneck, fitted on a cast iron base.

Equilateral glass prism for index of refraction experiments.

Hollow prism is used to study, observe or compare the refraction of light in different liquids of different refractive indices.

Made of polished glass with ground edges. Bi-concave lens: Used for reducing the size or spreading out light, with two inward curving symmetrical faces.

These high quality plastic mirrors are perfecr for even young student applications. Durable and just right for mirror writing, periscope, and other experiments.

For measuring critical angle and observing total internal reflection. Made of clear optical glass. Angles 90°-60°-60°. Approximate dimensions are:

For measuring critical angle and observing total internal reflection. Made of clear optical glass. Angles 90°-45°-45°.
Cut and polished manually. Dimensions are approximate.

An optical glass prism mounted on a stand with adjustable height. The prism can be rotated on its own axis by 180° or locked at an angle. Prism dimensions:

For showing the most important types of lenses. Optically true with ground glass edges. Includes one each of double convex, plano-convex, double concave, plano-concave, concavo-convex and convexo-concave lens arranged in a velvet lined case.

Comprised of one each of biconcave and biconvex lens, 38mm in dia. and 15.5cm focal length, which when used together neutralise each other, the resulting effect being that of a plane glass.

To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges.

For determining time of the day observing sun's shadow by placing on a windowsill. Made of cast alloy disc, approximately 110mm diameter with arabic numerals and a gnomon. Instruction booklet is included.

Dual Lens magnifier. Contains a 50mm diameter, 3X lens and 17mm diameter, 6X lens.

Equilateral acrylic prism for index of refraction experiments.

For Demonstrating important principles of optics such as reflection by various shapes of mirrors, refraction through several types of lenses, total internal reflection and dispersion. The apparatus consists of a metallic disk about 30cm in diameter, graduated around the circumference in 360 degrees. A handle on the back can be used to rotate the disk in a vertical plane about a horizontal axis perpendicular to the plane and passing through the center of the disk.

Made of polished glass with ground edges. Bi-convex lens: Magnifying or condensing lenses, with two outward curving symmetrical faces.

The Right Angle Prism unleashes a rainbow of colors from pure white light.  It is precision crafted of clear acrylic and it is available on a blister card.  The length is 1.75 inches.

For seeing the reflection and bending of light as it passes through lenses and prisms. Phenomenon of refraction and internal reflection is also easily visualised. The base surfaces are painted white for easy visibility of a ray of light. Thickness of the blocks is 10mm except for the last two items noted below. Set includes the following: Bi-convex lens 90mm long Bi-concave lens 90mm long Semicircular lens 93mm diameter Trapezoidal block 85 and 30mm opposite faces Right angle prism 100mm hypotenuse Right angle prism 32mm hypotenuse and 50mm long Equilateral prism 25mm face and 50mm long Supplied in a velvet lined case.

FIVE-COLOR Sets are ideal for optical transmission measurements, solar monitoring, attenuation of laser beams, and demonstration of laser light's monochromatic character.

Demonstrate the principles of color mixing with this set of 6 clear colored plastic paddles.

Discover the power of the sun with more than 10 experiments.  You can produce some serious energy with this kit.  A solar energy lab complete with converging mirror, wooden stand, clear plastic test tube and glass thermometer.  Instructions are available online.

FIVE-COLOR Sets are ideal for optical transmission measurements, solar monitoring, attenuation of laser beams, and demonstration of laser light's monochromatic character.

Similar to 3380-00 but with enhanced features for obtaining better quantitative results. Consists of a heavy cast base and a pillar for collimator support. The telescope arm moves along a fixed circular plate 150mm diameter graduated in degrees. This plate has a double ended vernier for better and accurate measurements, with a least count of 30. Fine adjustment is accomplished by using a knob while the coarse adjustment can be done by hand. Both the collimator and the telescope are mounted with an axis adjustment system. The telescope has a 10X Ramsden eyepiece and is fitted with a cross hair reticle. Both the telescope and the collimator are fitted with coated achromatic objectives of 178mm focal length and 32mm diameter, providing light for a brighter and sharper image. The focussing is done by a concealed rack and pinion. The collimator slit 6mm long, is specially designed for retention of initial accuracy during the life of the instrument. The prism table 75mm diameter is held with the help of a clamping screw enabling the table to be rotated in any direction. It has lines and concentric rings marked to assist positioning of prism in relation to levelling screws. It is fitted with a diffraction grating holder of aperture 25mm x 25mm and a clamp for holding prisms upto 38mm high. Provided with a magnifying eye glass to read the vernier, tommy bar for axis adjustment and flannel cloth. Supplied in a wooden box.

This lens set is comprised of the most important types of lenses. Optically true with ground glass edges. Includes one of each: double convex, plano-convex, double concave, plano-concave, concavo-convex and convexo-concave, arranged in a velvet lined case. Diameter 50 mm

For verifying the laws of reflection and other experiments in optics.

An important accessory for college level spectrometry work. Made of optical extra-dense flint glass of dimensions: (face x height), 32 x 32mm. Refractive index 1.62. Individually packed.

Solar Cells also called photovoltaic cells are finding their way into thousands of uses world wide.  This kit is an economical introduction to photovoltaics, also known as PV.

For introducing students to principal type of spectra, determination of wavelength, frequency of emitted light and for quantitative spectrometric measurement of angle of prism, refractive index of the prism material etc. Comprised of a cast base with an integral fixed pillar for the collimator support and a swinging telescopic arm. Both the collimator and the telescope are fitted with an axis adjustment system. The moving telescope arm with a spring loaded vernier moves smoothly over a machine engraved degree plate of diameter 180mm and is graduated 0-360ß x 1ß. The vernier reads to 0.1ß or 6 seconds and allows students to estimate angular positions to 0.05ß. Fine adjustment is provided. The collimator and the telescope tubes are fitted with optically coated achromatic objectives of diameter 25mm and have a concealed helical action focusing device. The 10X Ramsden eyepiece has a cross hair reticle. The prism table, diameter 75mm is levelled by three knurled knobs. It is fitted with a diffraction grating holder of aperture 25 x 25mm and a clamp for holding a prism up to 38mm high. Lines are marked on the table to help place the prism accurately. Various parts are either plated or enamel finished. Provided with a magnifying eye glass and a tommy bar for axis adjustment but without prism or diffraction grating. Supplied in a cardboard box.

Made of high quality glass, to verify the laws of refraction.
Dimensions: (l x w x h), 114 x 63 x 18mm.
With frosted faces and clear edges. The glass optically clear, with no color tint.

Use a radiometer to show that light energy can be converted to mechanical energy.

Set of 6 lenses with outer diameter of 38mm. This lens set includes samples of double convex, double concave, plano concave, plano convex and aoncave convex lenses.

Ray box provides parallel light rays required for experiments with lenses and mirrors.

Prisms have several uses in optical systems. For example they can deviate a ray, disperse white light into the visible spectrum or erect an inverted image. Great for experiments in dispersion and refraction of light. Face dimension is 25mm. Made of Glass.
Compatible to 3329

This is a pen shape magnifier/ microscope with a magnification range of 16X up to 32X.

This hand held Magnifier Glass can be used for examining biological and geological specimens in the field and laboratory.

These solar cells are used to power small motors and other devices which draw small amounts of current. Can be used individually or linked to each other for more voltage or more current.

One piece, durable plastic construction, with open bottom for viewing insects and small objects.  Clear acrylic sides allow the light to pass through.  Offers a high magnification of up to 8X with optical quality acrylic lenses.

Ideal 3X magnification for reading, inspection and examination of fabric, documents, artwork, paint and more. Folds into the leather jacket as a protective cover.

Easy and quick Ultra Violet light for mineralogists and forensic experts. Portable UV light is also one of the most exciting devices for students who are doing an experiment with UV light. This portable light also comes with a white, super bright LED torch that makes it usable as a general-purpose light source. At home you can use it do reveal the hidden stains from pets (urine stain), oils and some bacteria.

Wooden and polished. Mounted on base with slot to hold lenses or mirrors. Can be used with meter scale to form simple optical bench.