Comprising a metal pillar with hole for mounng uprights of accessories and lockscrew for securing them, mounted on a plastic moulded base 100Ã??50mm. An index line is engraved on one side of the base. Overall height 63mm
A heavier screw thread of pitch 0.5mm, carrying a drum, which is divided into 50 divisions giving a least count of 0.01mm. An index is provided with a 5mm scale graduated 0.5mm divisions.
The magnifier is fied with a precision lens of 150mm diameter and with an optical glasslens of 3x. It has maximum possible power for a lens of its size, consistent, with virtually no distrait or chromac aberraon. It gives fague-free, stereo view equipped with round fluorescence tube (22Wa) which has shadow-less illuminaon. It is fied on a universal stand fully adjustable vercally and horizontally, works on 220VA.C.Mains.
Corona Plate
It consist of Black Brass Plate with small holes at equal distance from the centre of the Plate. Plate mounted in aluminium frame is supplied with rod. One glass Plate with rod is also supplied along with Brass plate.
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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.
Precision Optical Bench One Meter Long, Extra Ordinary Heavy Pattern
For accurate measurement of focal length of Lenses overall Length 1600mm, Scale length 1500mm(graduated in mms) Strong, inexpensive, made to standardized specificaons with interchangeable parts, the Twin-Bar opcal Benches have won wide popularity because of the excellence and robustness of their design. Provided with 3rd supporng rod. The sliders are machined geometric fit on the tracks &are machined plane on the upper surface to ensure correct vercal fing of the hollow pillars. Four sliders are provided as standard accessories to all our benches. Two of these are provided with fine cross-moon & two without cross moon. All the four sliders are fied with hollow pillars of uniform specificaons to take all types of ESAW bench accessories� rods are of one meter long.
Optical Bench Double Rod Standard Pattern One Meter Long
 For advance research work, consists of two rods of different metals as per requirement in hand, supported by heavy cast iron feet, provided with 4 metal riders and 4 accessories. Two of the sliders have transverse moon and one rod is engraved in mms. Improved design, one meter long
160mm radius, designed to give maximum accuracy. Made from a strip of stainless steel so inlaid in the circular arc as to be considered integrated with it.
a)� Nodal Upright: Consists of a combinaon of Single & double lens holder on amount rotang along the vercal axis. The combinaon lens holders are adjustable in height, and the single & twin lens holders can either be moved together by rack & pinion or relave to each other by sliding. These moons can be read by individual pointers on a mm scale.
b)� Mirror: Plain, inclinable with 3â?? steel C.P. Stem
c) Optical Slit: With fine machined cross slit, one surface white & the other opcal black, with 3â?? steel C.P. Stem
d) Lamp House: an electric bulb is encased in a metal case with cord & pin. It works on 220VAC.
It's a new product From ESAW very easy to use and simple, most suitable for undergraduate courses. The kit briefly covers the fundamentals of Lightprinciple like diffraction, refraction, interference, etc. The kit is very handy to use, one can demonstrate all experiments in a Classroom. Consist of Laser diode along with other Optical Components
A high-class telescope for school students for all-around purposes. It is light and easy to manipulate and has high magnifying power. The overall length of Astronomical The telescope is 85 cm, fitted with a high-class achromatic objective of dia 45 mm, focal length 18â?? inches. Its high magnifying power that provides extremely sharp images. The telescope is provided with an extra erector tube which can be screwed into the main tube after removing the eyepiece and this Astronomical Telescopes used as a Terrestrial Telescopes. Complete with velvet lined case. Superior quality with a high-class achromatic objective.
Fitted with Bi-Quartzin giving colored distinction, accuracy check Specially designed for easy to use, moderately priced, for colleges and research laboratories. Ideal for determining the specific rotation of optically active substances. Our Polarimeters are now extensively used in industrial laboratories as well. A corning glass tube is enclosed in a circular aluminum tube with a top door for access and exclusion of external light. The circular scale is attached near the analyzer and the range of measurements 0-360�°.AmovableVernieronthescale enables the reading of optical rotation to 60 seconds. Worm and gears combine rough and fine adjustment, provided with, giving three parts field for easy setting, adjustable half-shadow angles. This instrument can be used monochromatic light only. When light passes through a polarized sheet and then through the solution, the emerging light is observed through a rotatable polarized lens, analyzer which is used as an eyepiece. The angle of light is rotated and read directly on the circular scale. Supplied on the adjustment stand, Packed in a cardboard box with working manual.
For demonstrating the principle of the diffraction grating and the way in which its properties are dependent upon the number of lines per unit length. Comprises a card mount 90 x 40 mm approximately with three 16 x 9 mm apertures, each containing a diffraction grating replica. The gratings are of 100 lines/ mm. 300 lines/ mm and 600 lines/ mm, respectively, and are protected by cover glasses.
Senior Polarimeter
Designed to accept the observation tube up to 220 mm in length. Its improved rotating half-shadow system at the front ensures perfect focus and clear definition. With angular glass scale 0-360�º, divided into degrees and reading up to 0.05�º with a micrometer. A sugar scale from 30�º to 120�º read up to 0.1 sugar degree. Supplied complete with two polarimeter tubes, 100 mm and 200 mm with dust cover.
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.
LO-1013 -& Diffraction Object Holder & For supporting diffraction objects or any other item in 50 mm square mount. Rectangular metal frame with spring clips and a mounting rod.
The bench has two steel rods, one of which is graduated in mm with heavy metal end supports with leveling screws with four metal slides that slide smoothly on the bench. Two of the slides have a transverse motion arrangement. Complete with two lens holders and two object needles.
On a wooden base, with a 1.5 meter scale, with six sliding bases. Each sliding the base is with an index mark, a brass pillar, and a locking screw, with following accessories:
One lamp house with a 230 V lamp.
One object screen, metal, white.
One lens holder for 38 mm diam. Lenses.
One receiving screen, metal, white, with a slot for a squared paper on reverse.
One object needle mounted in brass rod.
One plane mirror in a metal frame.
Each of these accessories is mounted on a 6 mm brass rod which fits into the pillars and is adjustable for height.
A simple model to show the working of astronomical telescope, comprising a planoconvex lens diam. 38 mm FL 100 mm, mounted in a metal tube which slides in an outer tube of 400 x 42 mm, size, with a convex lens objective diam. 50 mm FL 500 mm, in case
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