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17 Human Heart Model 180.00 1 Pcs 180.00 18 Human Brain Model 180.00 1 Pcs 180.00 Performa Invoice 19 Human Ear Model 220.00 1 Pcs 220.00 20 PHBAA040 Archimedes Principle Kit A complete self contained kit for exploring the concepts related to buoyancy and Archimedes’ principal, both qualitatively and quantitatively. Comprises a regular shaped metallic solid (whose volume can be computed from its external dimensions). Irregular shaped solid beaker to collect displacement liquid. Newton meter and displacement vessel. 220.00 1 Pcs 220.00 21 Respiratory System Model 320.00 1 Pcs 320.00 22 Excretory System Model 240.00 1 Pcs 240.00 23 Animal Cell Model 240.00 1 Pcs 240.00 24 Plant Cell Model 240.00 1 Pcs 240.00 25 PHCAA230 Loop the Loop An inclined track with a single loop to demonstrate the transformation of potential energy to kinetic energy and vice versa and to explore the condition necessary for the included metal sphere to stick to the track at its highest point in the loop. Comprises a looped aluminium track about 125cm long, having ‘V’ shaped cross-section with a stopper at the end to prevent metal sphere from falling. Complete assembly mounted on stable base. 240.00 1 Pcs 240.00 26 Floating Ring Magnets, with 5 Magnets 240.00 1 Pcs 240.00 Demonstrates the repulsion between like poles of magnets. Comprises annular ceramic ring magnets of size 38×5mm (outer diameter × height), painted in different colours and supported on a vertical non-magnetic rod mounted on base. The magnets are axially polarized, i.e., north/south poles along the flat surfaces of the magnet. The repulsion between the magnets simulates floating effect. 27 Teeth Model 250.00 1 Pcs 250.00 28 Flower model 280.00 1 Pcs 280.00 29 PHKAA228_1 Pin Hole Camera Ideal for student experimentation in simple optics involving the basic pin hole camera. Other optical effects such as image inversion, effect of aperture size on depth of field and quality of image etc., can also be explored. The standard pack is sufficient for 8 students and consists of the following items. 5 cardboard boxes 150 × 100 × 100mmwith hole, screen and lid. 50 sheets of black paper 200 × 250mm One 200W lamp Onemounted lamp holder with flex One packet of pins. 300.00 1 Pcs 300.00 30 4080750 DNA Model To show students how exciting it is to build their own three dimensional DNA structure with this colour coded and lettered plastic pieces on stand with numbered key card. 375.00 1 Pcs 375.00 31 Inertia Apparatus A simple device to demonstrate the concept of inertia of a body at rest. Comprises an aluminium rod with recessed top to take the spherical ball, mounted on a plastic base. Supplied complete with a square cardboard piece and a sphere. When the striker is pulled back and released, it strikes the square piece impulsively making it to slide out from under the sphere and dropping the sphere in receptacle on account of inertia of sphere at rest. 250.00 1 Pcs 250.00 32 PHFAA065 Thermal Conductivity Apparatus, Star Shaped For demonstration of differences in the thermal conductivity of five different metal – brass, copper, aluminium, mild steel and stainless steel. These 5 metal rods spread radially outward, equally spaced on each side of hexagonal brass hub, and have a small recess at the other end for holding paraffin wax. The sixth side of brass hub has a metal rod terminating in an insulating handle. On heating the central hub, the wax contained in the cavities of different metals melts at different times, implying their different thermal conductivities. 300.00 1 Pcs 300.00 www.optec.in 5356/9, Cross Road 1, Ambala Cantt. 133001 (Haryana) India Tel: +91-171-2642165, Fax: 91-171-2642265, E-mail: sales@optec.in 2 of 6
Performa Invoice 33 PHHAA080 Electroscope, Gold Leaf, Flask Type Comprises a glass conical flask, sealed at the top with holed rubber stopper. A metal rod supports a disc terminal at the top of rubber stopper and a pair of foil leaves suspended inside. 300.00 1 Pcs 300.00 34 Digestive System Model 320.00 1 Pcs 320.00 35 PHKAA190_1 Newton's Colour Disc on Stand For demonstrating that white light is composed of all the spectral colours through the additive mixing of the colours. Comprising a multicoloured circular disc having sectors of various spectral color in proper proportions. On rotating the disc at sufficient speed, all the colours will be observed to disappear by merging into a single white colour. The disc has a friction pulley at the back touching the driving wheel with a handle. Complete assemblymounted on a stable base. 360.00 1 Pcs 360.00 36 PHJAA020 Wind Mill Today we have required an energy, which remains last long and present at earth in unlimited amount. As fossil fuels becomes more expensive and we are very well understand the harmful effects on the environment and we have required energy, which overcome all these problems. The one solution is wind energy. The students can study speed/voltage relationship, blade number and arrangement, maximum RPM’s and voltage, drive shaft ratio and wind speed effects on placing the instrument in front of a fan or in natural wind. A rubber belt drives motor on rotating the pulley fitted with shaft. The No. of wanes in instrument can be changed as per requirement by just fixing these inside the slots given in the cylindrical wooden block. 400.00 1 Pcs 400.00 37 Solar-Lunar Eclipse A simple model to show how Solar and Lunar eclipses are formed. complete with candle holder. 420.00 1 Pcs 420.00 38 Day-Night model Consists of a 12 cm. dia. political globe, capable of rotation round its axis , with a candle holder 480.00 1 Pcs 480.00 39 PHCAA300 Newton's Second Law of Motion Apparatus A complete piece of instrument demonstrating the Newton's Second Law of Motion. Comprises a spring loaded steel rod mounted in two brackets on a metal base. Also includes one solid steel sphere and one steel sphere with a hole to slide it into the rod. Complete with a rod mounted on the base for fixing the apparatus on a suitable retort stand. Spring compressed by the handle which can be locked into two different positions corresponding to two potential energy levels. Once spring is compressed, the sphere with the hole slides onto one end of the rod, while other is placed in a small recess on the opposite side of the base. On releasing the handle, the potential energy of the compressed spring imparts horizontal velocity to the solid sphere while the other sphere simply falls vertically. Falling of both the spheres on the ground implies that vertical and horizontal velocities are independent. 40 PHKAA240 LED Ray Box No more burnt finger, this LED Ray box housed in a traditional diecast enclosure uses the latest ultra bright LED technology giving a superior white light with a 10000 hour life. Supplied complete with slit plate. Collimating lens and mains power adaptor. 41 PHIAA190 DC Motor Model, 3 Pole Open type, demonstrates the working of a simple DC motor. Operates on 4-6 volts DC, with pulley mounted on shaft. Complete assembly mounted on base. 500.00 1 Pcs 500.00 600.00 1 Pcs 600.00 600.00 1 Pcs 600.00 www.optec.in 5356/9, Cross Road 1, Ambala Cantt. 133001 (Haryana) India Tel: +91-171-2642165, Fax: 91-171-2642265, E-mail: sales@optec.in 3 of 6
Page 1: Performa Invoice Ms. Sanskriti Sing
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