Products

An insulated cylindrical container with provision for mounting on dome of the generator or insulating stand and has pith balls or small Styrofoam balls inside. When charged through the generator, the balls contained inside starts jumping and dancing rapidly in a random fashion giving an appearance of hailstorm. It can also be used for the demonstration of precipitation of smoke

In high impact polystyrene case with handle and terminals marked positive and negative Recommended for applications involving less frequent discharges not exceeding 0.75A. Supplied uncharged. without acid. Charging instructions printed on the case. Output 2V Available in capacity ratings

In high impact polystyrene case with handle and terminals marked positive and negative Recommended for applications involving less frequent discharges not exceeding 0.75A. Supplied uncharged. without acid. Charging instructions printed on the case. Output 2V Available in capacity ratings

In high impact polystyrene case with handle and terminals marked positive and negative Recommended for applications involving less frequent discharges not exceeding 0.75A. Supplied uncharged. without acid. Charging instructions printed on the case. Output 2V Available in capacity ratings

In transparent plastic case with handle and terminals marked positive and negative, providing steady output of 2V Supplied uncharged, without acid. Charging instructions printed on the case.

In transparent plastic case with handle and terminals marked positive and negative, providing steady output of 2V Supplied uncharged, without acid. Charging instructions printed on the case.

In transparent plastic case with handle and terminals marked positive and negative, providing steady output of 2V Supplied uncharged, without acid. Charging instructions printed on the case.

Made from clear acrylic, all faces fully polished and free from any defect.

Diffraction Grating Replica: Approx. 600 lines per mm, for use in the holder in the spectrometer table

Crown Glass Prism: 32mm aperture at minimum deviation

Double Sided Mirror: In metal mount so that it can be used in the diffraction grating holder

Extra Dense Flint Glass Prism: Face dimensions 32 x 32mm.

Polarizer / Analvzer: As above but having a rotary movement with fine adjustment and a spanided circle 89mm diameter with vernier reading to 1/10?

Polaroid Polarizer I Analyzer: 25mm aperture, mounted to flit on the objective mount of either telescope or collimator of spectrometers

Wave Plate: 20mm clear aperture in graduated rotary mount reading to 5' on a metal stage. Suitable for mounting in the diffraction grating holder of the spectrometer

A precise instrument for measuring the composition of light, determination of refractive index of solids or liquids and exploring other related optical concepts. Allows students to perform prism and grating spectrometry. High quality optics ensures sharp spectral images while precision machining and fitting allows for precise rotation and accurate measurement. The turntable is mounted on heavy bearings and can be rotated about vertical axis. Streamlined body to avoid crevices around fittings. Holding pillars for both, telescope and collimator, of solid metal block to provide ruggedness and durability. Has a heavy, sturdy, stable cast metal base, with scratch resistant epoxy-coating. The general finish of the apparatus is similar to that of the intermediate model. The instrument is mounted on a baseboard, which fits into a polished hardwood case. Scale : Main scale about 150mm in diameter is fixed on the turntable that also holds telescope. Scale is precision engraved 0-360? x 1/2?, which is further complimented a precision engraved, double ended verniers provides convenient reading with a least count of 30?. Rotations of both the scales, main as well as vernier, have fine adjustment screws, and release of a clamping screw enables coarse adjustment to be made by hand. Collimator Mounted on fixed pillar and fitted with 178mm focus achromatic objective, 32mm clear aperture. A unilaterally adjustable slit, 6mm long is also fitted. Telescope : Mounted on moveable pillar and fitted with 178mm focus achromatic objective. Also fitted is a 15 x Ramsden eyepiece and a cross-line graticule. Both the telescope and collimator provided with rack and pinion type focusing mechanism for ease in operation and precise focusing. Means are provided for aligning the axes of both the optical units and for squaring them to the axis of rotation. Prism Table: The table is marked with grooved lines to assist placing the prism with respect to the table leveling screws, and has interchangeable clamping units for the prism and a diffraction grating. Standard Set of Accessories, supplied in case: ? Dense Flint Glass prism -1 No., Prism clamp - 1 No., ? Diffraction grating holder - 1 No., ? Watchmaker's eyeglass - 1 No. , ? Tommy bar I L Key for adjusting optical axis of tubes - 1 No., ? Polished hardwood case

Specifications : Size: 34 x 20 x 25 cm – Weight: approx. 3 kg. A demonstration model of a condenser. A condenser is a device that allows the storage of energy in the electric field created between a pair of conductors on which electric charges of equal magnitude, but opposite sign, have been placed. With our Aepinus Air Condenser, it is possible to show the dependence on capacity of a parallel plate condenser and the distance between the plates and the nature of the medium between them. LAWS & PRINCIPLES INVESTIGATED : • Plane face condenser • Dielectric effect.

Useful for exploring the principle of working of capacitance, and the relationship between charge, voltage and capacitance. Comprises a pair of adjustable circular metal discs of diameter 100mm attached to the insulated handles and is supported on insulated pillars mounted vertically on a base. Another pillar has a clamp for holding glass dielectric plate between the metal discs. The glass plate may be replaced by plates of other material to study the effect of dielectric. End of insulating handles of metals discs carry a 4mm socket for electrical connection.

Specially designed. heavy duty. electrically operated air blower provides continuously variable air velocity control and is ideal for use with the Linear Air Track. Cat No. 1031180/1 [page 22J. Complete assembly housed in a robust sheet metal case with anti skid rubber feet. The compact size makes it suitable for bench top use. Designed for continuous. uninterrupted use at very low noise levels. it is supplied complete with flexible hose. hose adapter and detachable mains cable. Operates on 220-240V AC. 50Hz.

This device is used to illustrate that pressure and temperature are related. When you press down quickly on the plunger, air is compressed inside the tube, igniting a cotton ball. The fire then instantly goes out, because all of the oxygen in the tube is exhausted. Can be used to illustrate the kindling point of a material. Built of rugged plastic, the chamber comes apart for easy cleaning.

The apparatus consists of detachable thermometer bulb of about 40mm diameter, connected to mercury tube with zero index through a three-way stopcock. Reservoir tube sliding on vertical support rod with clamp along side scale graduated 0 to 500 x 1 mm. A copper vessel. about 100 x 75mm in size, surrounds the bulb and is supported on top of a detachable shelf with thermally insulating screen towards the stand. Complete assembly mounted on a polished wooden stand with base in the form of a small tray for mercury. All glass parts of Borosilicate glass. Complete with pressure rubber tubing and copper vessel.

A low cost apparatus for the demonstration of the Rutherford scattering by means of a gravitational analog of inverse square law repulsion. Comprises a wooden launching lamp about 300x50x 105mm (LxWxH) with a guiding groove running down its curved front face along its length and index marks at 40, 60, 80 and 100mm height above the base that provides 4 pre-determined launching heights. Also included is a spun aluminium hill about 280mm diameter and 60mm height along with a 19mm steel ball. The shape of aluminium hill has been carefully determined by varying its height above the base line by an amount arrived on the basis of the reciprocal of the radius.

Dimensions: approx. 15 x 3 x 3 cm. Aluminium parallelogram ideal for the study of the hydrostatic pressure. LAWS & PRINCIPLES INVETIGATED : • Hydrostatic pressure • Buoyancy • Weight force.

A multirange rectangular ammeter mounted on top of a sturdy plastic box, providing multiple ranges selectable through a rotatory knob with AC/DC selection through a toggle switch. AC output available through a pair of 4mm yellow shielded sockets and DC output through a pair of 4mm colourcoded shielded sockets. Ranges available are 10mA / 100MA / 500mA /1 A / 2. 5A / 5A in both AC and DC.

Moving coil. in case, ranges selectable through a set of three 4mm socket terminals.

Moving coil. in case. ranges selectable through a set of four 4mm socket terminals.

Moving coil meters in case. for DC measurements.

Moving Iron, AC/DC,

A portable. hand held, cup anemometer which gives direct readings of wind speed in either km/hr, Beaufort scale. m/s or knots. The vertical spindle carries three plastic hemispherical cups, which rotate on ball bearing and cause the deflection of two pointers across the paired scales. The anemometer has a handle and two coned feet to prevent damage to cup when it is laid down. With scale 0 to 120 km l hr, 0 to 12 Beaufort, 0 to 35m/s and 0 to 60 knots.

Useful for determination of wind speeds. Comprises three light-weight hemispherical plastic cups attached to a central hub through lightweight spokes. Speed of rotation of these cups calibrated on an analog moving coil meter directly to give the wind speed.

Useful for determination of low wind speeds. This Robinson's cup anemometer comprises 4 lightweight, plastic. hemispherical cups mounted at the end of lightweight metal spokes and attached to a central hub. The hub pivoted on metal shaft on top of a vertical support rod on a stable base and is capable of rotating freely about vertical axis. Three cups are black and one red to facilitate counting of rotations per unit time.

Demonstrates the force experienced by a current carrying conductor when placed in magnetic field. Comprises a pair of brass rails mounted parallel to each other on a metal base, each rail having 4mm socket terminal at their one end for electrical connection. A strong U-shaped magnet fixed on the base such that its one pole is vertically above the rails and other below it and is positioned between the two rails. A brass axle with plastic discs at its both ends is free to roll along the rails and completes the electrical connection between them. When the current is made to flow through the rails with the axle placed on the rails between the poles of the magnet, the axle is repelled and rolls along the rails away from the center of the magnetic field.

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.

For studying the motion under the effect of gravity of two?mass system connected through a lightweight cord, one on either side of a simple pulley. The apparatus comprises two long metals rods, one rod having a well-balanced 10cm pulley mounted at its one end on near-frictionless bearings and threads at other end for attaching it to the second rod to get a total effective working length of 245cm. A scale 0- 245 x 1 cm continues from the top of rod with pulley to the bottom of the second rod. Includes electromagnetic release arrangement, set of 2 pairs of masses, Loading Masses - 1 x 1 g, 2x2g, 1 x4g, table/ring brackets, wall mounting clamps and lightweight cord.

An ideal accessory to demonstrate the independence of vertical and linear motion. COMPONENTS : • Ball launcher • PVC ball (2x) • Trigger flag with knob • Magnetic anchor with hook. LAWS & PRINCIPLES INVESTIGATED : • Projectile motion equation • Resolution of component motions • Determination of gravity acceleration.

Used for measurement of small quantities of electrical charge and currents. Leveling Screws for balancing the coil. Coil with mirror suspended between long suspension at the upper end and a spring at lower end. Suspension and spring are made of special alloy to provide high degree of sensitivity to the movement. Movement housed in a Bakelite case, rigid and robust. Clamping arrangement for transportation. Consistent sensitivity over a longer period. Strip provided for damping its ballistic movement

Useful for studying the v e c tor quantities associated with the projectile motion and demonstrates that the horizontal component of velocity of the object projected from another object moving horizontally is same as that of the horizontally moving object and is independent of the vertical component of velocity of projected object at any instant. Comprises a car made of heavy gauge aluminium with 4 low friction bearing wheels. The car has a heavy cylindrical barrel mounted vertically at its top which houses a spring loaded piston for shooting the ball vertically. The two locking position of the spring loaded piston arrangement provides two different but reproducible vertical projection velocities. Includes a steel sphere and a lock pin with cord. With the car moving with some horizontal velocity, if the steel sphere is projected upward, its trajectory will appear to be parabolic when viewed by a stationary observer and the sphere will return back to into the vertical barrel, irrespective of the velocity of projection or velocity of the moving

For demonstrating expansion of solids by heating and contraction by cooling. Comprising a metal bar mounted on rod with insulated handle, and U-shaped metal gauge also mounted on insulated handle. with GO / NO GO hole. The space between both the arms precisely adjusted to just admit the bar length wise, and the bar cross-section will just pass through the hole. when cold or when both heated to the same extent. On heating the bar, neither its length nor cross-section will be admitted in the gauge at respective points.

Specifications : Steel bar: length 110 mm, diam. 12 mm, Rod with wooden handle: length 200 mm. Simple instrument to show thermal expansion of solids. For demonstration of solids expansion. Steel bar on rod with wooden handle. U-shaped gauge, sliding fit over ends of bar, with holes 12 mm bore. LAWS & PRINCIPLES INVESTIGATED : • Solid expansion.

For demonstrating expansion of solids by heating and contraction by cooling. Comprising a metal bar mounted on rod with insulated handle, and U-shaped metal gauge also mounted on insulated handle. with GO / NO GO hole. The space between both the arms precisely adjusted to just admit the bar length wise, and the bar cross-section will just pass through the hole. when cold or when both heated to the same extent. On heating the bar, neither its length nor cross-section will be admitted in the gauge at respective points.

For demonstrating expansion of solids by heating and contraction by cooling. Comprising a metal bar mounted on rod with insulated handle, and U-shaped metal gauge also mounted on insulated handle. with GO / NO GO hole. The space between both the arms precisely adjusted to just admit the bar length wise, and the bar cross-section will just pass through the hole. when cold or when both heated to the same extent. On heating the bar, neither its length nor cross-section will be admitted in the gauge at respective points.

Similar to BAR & GAUGE , but with gauge without insulated handle

To demonstrating the enormous forces which can be exerted during thermal expansion or contraction and are capable of breaking even the CI bars. Comprising a heavy cast metal frame with U-shaped slotted end pillar to carry a stout iron bar. The iron bar is threaded at one end for a large tensioning knob and has holes at the other end to accommodate the cast iron breaking bars. Supplied complete with ten breaking bars

To demonstrating the enormous forces which can be exerted during thermal expansion or contraction and are capable of breaking even the CI bars. Comprising a heavy cast metal frame with U-shaped slotted end pillar to carry a stout iron bar. The iron bar is threaded at one end for a large tensioning knob and has holes at the other end to accommodate the cast iron breaking bars. Supplied complete with ten breaking bars

Red in colour, with north pole marked with dimple. Boxed in pairs with keepers. Specifications : Material: ALNICO, Size: 5 x 1.5 x 1 cm.

ALNICO magnets supplied in pairs, with keepers. Strong lasting power. North pole clearly marked. In cardboard boxes. Available in different sizes or as per demand.

ALNICO magnets supplied in pairs, with keepers. Strong lasting power. North pole clearly marked. In cardboard boxes. Available in different sizes or as per demand.

ALNICO magnets supplied in pairs, with keepers. Strong lasting power. North pole clearly marked. In cardboard boxes. Available in different sizes or as per demand.

ALNICO magnets supplied in pairs, with keepers. Strong lasting power. North pole clearly marked. In cardboard boxes. Available in different sizes or as per demand.

ALNICO magnets supplied in pairs, with keepers. Strong lasting power. North pole clearly marked. In cardboard boxes. Available in different sizes or as per demand.