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Our Complete range of products are Ray Optics Kit, Compound Bar, Acrylic Plastic Blocks, Triple Beam Balance Cap and Mirrors Plane.
Designed primarily for demonstration of basic principals of the A.C. transformer. The coils and cores will also serve as the basis of many experiments in electromagnetism using either direct or alternating currents. Supplied with 1 Clamp base, 1 Laminated 'U' core, 1 Laminated armature, 2 Soft iron pole pieces, 1 Coil of 300 turns 4 amp., 2 Coils of 600 turns 2 amp., 1 Coil of 1200 turns 1 amp., 1 Coil of 3600 turns 0.3 amp, 1 Coil of 12000 turns 0.05 amp. All coils are enamelled copper wire wound round on high impact plastic moulded bobbins. The base is provided with tommy -bar screw to hold 'U' core. It consists of following components:a) Alloy stand with detachable clamping arms.b) U & I laminated cores of cross section 32 x 25mm.c) E & I laminated cores of cross section 32 x 25mm.d) Six coils, with 4mm socket terminals wound on plasticbobbinse) A pair of pole pieces.
Note: Coils of different values and turns are also available.
Made of chrome plated brass. This set includes Nine slotted masses each of 10 g with a 10 g wire hanger making total mass of 100 g, masses do not fall off when assembled in a set. Tolerance 3%.
This is sliding mass single Pan Balance having die cast aluminium base, beautifully painted, 150 mm dia stainless steel pan, three notched weighing beams with center indicating calibrated sliders (sliding masses) to indicate weight at any point on the notched beams, magnetically damped beam for rapid weighing, spring loaded zero adjust compensator. Tare capacity 225 gm. Beams with graduated scales 0-500 g x 100 g, 0-100 g x 10g, 0-10g x 0.1 g. Thus giving a total capacity of 610 gm. Capacity is increased to 2610 gm by hanging supplementary masses (2 x 1000 g, 1 x 500 g) on the ends of beam. Supplied with dust cover. Accessory: (a) Specific gravity attachment with support rod which slides into the underside hole of the base and clampable on edge of a bench for specific gravity measurement.
Made of non-wrapping wood in lacquer finish or painted permanent markings and graduations having a good contrast and visibility, provided with handle and graduated in cm on bot edges, set of two right angle triangles.
This is to demonstrate the movement of progressive transverse waves. It comprises 22 small balls on wire rods with eccentric motion attachment with driving handle and fitted on polished wooden base.
Simple type model, it comprises a wooden board 700 x 90 mm (L x W) on four feet, fitted with two steel wires about 0.3mm x 1m (dia x length). At one end of base there are two 50 N spring balances with hooks and at the other end are two wrest pins.
Supplied complete with three bridges, one large to span both wires and two small bridges for individual wires, two steel wires 0.3 mm dia. x 1m long.
A horizontal tube 500 mm long 12mm O.D. is constricted near its centre and short side tubes are provided in each section for attaching glass manometer tubes 270 x 8 mm bore. If a constant head device is used to send a flow of water through the horizontal tube the variation of pressure in various sections may be determined.
It is to demonstrate, curvature introduced by unequal expansion of two different metals. Two different metal Brass and Iron strips riveted together from end to end and fitted with wooden handle.A. 150 x 15 mm (L x W)B. 200 x 25 mm (L x W)C. 300 x 25 mm (L x W)Note : Bars with other different metal combinations can alsobe supplied, on demand.
Comprising a cylinder 200 x 25mm diameter one half of which is wood, the other metal. If paper is wrapped tightly round the cylinder and the rod is held above the flame, the portion in contact with the wood will be quickly scorched while the portion in contact with the metal will remain uncharred.
Operates on main 220-250 V, 50 Hz supply. The element and holder are completely enclosed by a perforated mesh cover earthed via cable. The top of cover removable for replacing heating element. Mounted on a rectangular wooden base. Element rated at 300W. Supplied complete with 1.25 m 3-core cable.
It consists of 12 pairs of Bismuth and Antimony bars joined together in series with insulation between them. The couples thus arranged are enclosed in a brass frame having two terminals connected to the Bismuth and Antimony poles. Complete with nickel plated brass cone and mounted on an adjustable stand.
It comprises 120 mm diameter aluminium disc having 20 mm driving pulley. The powerful magnets are carried on a pivoted arms so that they may be moved over or away from the disc as required. Mounted on a base.
Glass, unmounted, back silvered with protective coating(a) 50 x 50 mm (b) 75 x 25 mm(c) 75 x 75 mm(d) 100 x 75 mm(e) 150x25 mm(f) 150 x 50 mm (g) 150 x 100 mm
60 x 60 x 60 , optically worked glass plate cemented together with filling vent and stopper, used to find outrefractive indices of liquids
All faces nicely polished.Dia x Thickness
(a) 90 mm x 12 mm (Glass)
(b) 90 mm x 18 mm (Glass) (c) 90 mm x 12 mm (Perspex)
(d) 90 mm x 18 mm (Perspex)
Clear acrylic plastic blocks 18 mm thick with bottom surfacefinished in white, to show ray tracks and all other surfacesfully polished. The set corn prisesa) Rectangle 75 x 50 mmb) Triangle 90 x 45 x 45 , 75 mm hyp.c) Triangle 60 x 60 x 60 , 57 mm sided) Semi-circular 75 mm diametere) Bi-convex 75 mm long, curved faces, 115 mm radiusf) Bi-convex 75 mm long, curved faces, 145 mm radiusg) Bi-concave 75 mm long, curved faces, 115 mm radiush) Bi-concave 75 mm long, round 145mm radiusi) Triangle 60 , 30 , 90j) Trapezoidal 60 and 45 prism ends.All packed in storage box. (Note: Other size and thickness can also be supplied ondemand)
Specially developed kit, of components, to enable students perform a number of experiment in ray optics. Students can demonstratively investigate linear propagation of light rays, focusing by cylindrical lenses, focusing of multiple rays showing aberration, law of reflection, refraction in water, prisms etc. etc. The kit comprises of 2 lamps and stands, 1 pair of housing shields, 2 combine single and triple slit plates, 2 multiple slit combs, 2 holders for combs and slits plates, 4 wooden light barriers, 4 piano cylindrical lenses + 7D, 2 piano cylindrical lenses + 10D, 2 piano cylindrical lenses + 17D and 2 piano cylindrical lenses - 7D.
A small magnetic needle having 100 mm needle at right angle in a tough plastic case. Cord marked with points of the compass and degrees. Can be used in magnetometer experiments.
This is for collecting small amounts of charge from a charged body. Made of a copper disc mounted coaxially on a 120 mm long perspex/ebonite rod.
This is to explain the effect of ionisation on a spark gap. The spheres are made of brass and has maximum diameter of 38 mm (Approx.), mounted on insulating rod. 4 mm sockets are screwed in the sphere. Spheres are mounted on insulated stands.
To show that the charge transferred to a conductor resides on the external surface of the conductor. Consist of pair of Brass hemisphere 50 mm diameter, fitted with insulating handles, hollow sphere with a hole in the centre mounted on a insulated stand.
This is to demonstrate the variation of capacity of a condenser on the distance between the plates and the medium in between. Two 100mm dia metal discs mounted on post and their distance can be varied manually. Fitted with insulating handles on a wooden base. Supplied complete with a glass rectangular plate mounted in clips between two discs and may easily be replaced by a plate of some other material, to show the effect of different dielectrics.
This is for the study of field between the charged parallel plates and also to study the effect of area of plates, separation between them and medium in between the plates. Consists of two aluminium plates 250 mm square, 6 mm thick and each has been made to plug a 4 mm male plug inserted, at the edge of plates. Supplied complete with a 2.0 mm perspex sheet 250 x 250 mm and spacers made of same sheet of perspex.
Jagat Bansal (Starlac Industries)
307 - A Mahesh Nagar Cantt 133 001, Ambala, Haryana - 133001, India
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