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
An economical and comprehensive set of equipment for ray optics and color experiments using magnetic-backed components that can be used on the whiteboard (included) or any installed steel (magnetic) board. Included a double ended light box contains a 12V/20W halogen lamp, a wall-mount AC adapter, one end carries a cylindrical lens and slots for mounting the three slit diaphragms for ray optics. The other end carries two adjustable mirrors and an open area for color mixing work using colored filters that fit into slots in the ray box, Seven transparent color filters, seven opaque color filters, Three slits, one rectangular acrylic block, one semicircular block, one right angle 90x45x45, One right angle 90x60x30, one equilateral prism, four plastic coated ring magnets, one double convex block, One mirror strip, one double concave lens, two magic alphabet card and one mirror holder. With instruction manual. The sizes of whiteboard supplied are approx. 580x390 mm.
Made of polished acrylic 15 mm thick, the set is provided in a convenient storage box. Set consists of: rectangle (75mm sides), double convex lens and two double concave lenses with a focal length of about 10 cm, equilateral prism, and semi-circular block.
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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.
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.
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
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.
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 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
Philips make Mercury Vapour Lamp is supplied. With a rated output of 80W, this source provides sufficient intensity for almost any experiment. With a good light source, student can invesgate energy levels using a spectrometers.
Either Philips or Osram make Sodium Vapour Lamp is supplied. This low pressure Sodium Vapour lamp works better than 99% of the visible output, concentrated in 5889 0 & 5895 A Spectra lines
