Density Cubes

Set of six 25mm cubes one each of lead, zinc, brass, copper, aluminum, iron, all with equal volume but different masses.

Cubes, Metals, Assorted

Materials Kit, Solid, Top of Form, Bottom of Form

Density Demonstration Set

For demonstrating reciprocal density. Comprises of six cylinders of different densities but all of equal mass and cross sectional area.
Set consists of one each of lead, zinc, brass , copper, aluminum, iron. The lengths are inversely proportional to their respective densities.

Spouting Cylinder

For demonstrating the principle that the pressure increases with depth. Made of metal, having three orifices of equal diameter at different heights.

Displacement Vessel

For finding the volume of a solid by displacement of water/liquid. Made of nicely painted iron sheet with a spout.
Size : 100 x 65mm
         180 x 110mm

Spring Balance

Slotted Masses with Rack

These precision made mass sets are made from brass.
The masses are finely adjusted, marked and mounted on a simple rack with handle.

Weight Slotted Chromed

Dynamic Trolley, Wooden

A pair of trolleys for investigating momentum, velocity, acceleration and energy conservation. Both trolleys are identical and each consists of a rectangular wooden body carried upon three low friction wheels to ensure smooth straight operation. One trolley is supplied with one strong spring plunger. The trolley is provided with three dowel pegs so that the trolleys can be stacked upon one another. This enables the effective mass to be increased. In front of each trolley, two holes are drilled and fitted with corks.
If long pins are pushed through the corks of one of the trolleys, they can be made to stick together after collision.

Second Law of Motion Apparatus

This apparatus demonstrates Newton’s Second Law of Motion. It consists of a spring-loaded device to show that a ball released vertically will hit the floor at the same time as a ball propelled horizontally. It is provided with a detachable rod which enables to clamp the apparatus on a stand or table. Includes 2 steel balls.

Falling Body Apparatus

A simple apparatus to demonstrate that a body propelled horizontally will fall vertically at the same rate as a similar body allowed to fall freely. Comprises of a spring loaded L-section launcher. There are holes in it for placing two 19mm dia ball. When the launcher is released by a push button, one ball falls freely whereas the second ball is projected forward. Mounted on a wooden box with a storage pocket for balls. Includes two steel balls.

Hooke's Law Apparatus

Consists of a 12 cm long mirror scale, a spring with provision to hang masses. Supplied without masses

Hare's Apparatus

A three limbed glass tube is mounted on a wooden stand with a scale for each of the two 600 mm tubes. A rubber tube with Hoffman clip is provided for the short limb. Two metal sliding distance rods may be so adjusted that their lower ends just touch the surface of the liquid under experiment to facilitate column height readings. Overall dimensions 680 x 300 x 150 mm approx.

Boyle's Law Apparatus

Boyle's apparatus fixed on a wooden stand & base Closed glass tube + burette 25 ml attached with rubber tube Provision for Mercury Filling

Resonance Apparatus

Consists of a chrome plated brass resonance tube 100 cm long, brass reservoir 250 ml and a meter scale mounted on a metallic stand. With rubber tubing.

Wheatstone Bridge

Four gap system, enabling two additional resistances to be interpolated in the additional gaps, enables greater accuracy of measurement by reducing unwanted resistances to a minimum. Two brass strips are provided to close the gaps when so required. Complete with jockey.

Wheatstone Bridge, Dial Type

Biot's Apparatus

A spherical conductor on insulating stand with two hollow hemi-spheres, each with insulated handle, to show that electrostatic charge resides on outer surface.

Medle's Apparatus

Improved type, to show effects of vibrations in a stretched cord & to investigate relation between frequency, tension & density. Comprising an adjustable length of thin steel rod mounted in a pair of socket terminals near one end and passing through an a.c. energising coil and a permanent magnet. The other end of the wire has a small boss with clamping screw for attaching to cord. Two adjustable contacts are also fixed on either side of the armature connected to terminal sockets to provide a quick change-over switch in capacitor charge/discharge experiments etc.

Van De Graaff Generator, Hand Driven

Hand operated on a wooden base. The generator is self exciting. The unit is fitted with a large pulley with a handle, which drives the upper pulley assembly through a belt. The charge builds up until electrical breakdown of air surrounding the sphere occurs.

Van De Graaff Generator, Motor Driven

Motor driven suitable for usual electrostatic experiments. Consists of an aluminum sphere 175mm diameter and a spherical discharger 75mm diameter mounted on an insulating rod. Voltage developed up to 250kV with spark length up to 50mm. Fitted with 4mm earth sockets. The motor runs on 220 to 240V/ 50Hz. Provided with On/Off switch and fuse protection.
Accessories Set, Van De Graaff
The set comprises of:
» Faraday's Pail
» Perspex cylinder with suspended metallised sphere
» Head of hair
» Point discharge
» Electric whirl
» Neon Bulb
» Electric Tester

Wimshurst Machine

Traditional electrostatic generator consists of two 250 mm diameter, discs with radial aluminium segments driven in opposite directions by hand wheel and belt, with two leyden jars, on wooden base.

Ice Pails, Faraday

Aluminium, set of four nesting cylinders, largest of size 125 x 140 mm diam x ht. The smaller pails are fitted with insulated feet.

Conductor (dischargers)

Proof Plane, Proof Sphere

Proof Plane
Consist of a brass disc 25mm diameter mounted coaxially on an ebonite rod.

Proof Sphere
Consist of a brass sphere 25mm diameter mounted coaxially on an ebonite rod.

Slotted Iron Masses on Carrier

Slotted Brass Masses on Carrier

Each set consists of nine equal masses on a carrier of the
same mass.

Force Table

For verifying laws of composition and resolution of forces, comprising a machined aluminium table 40 cm diameter, scale graduated 360°, on heavy vertical support rod and tripod base. Complete with one ring, 4 sliding clamp pulleys. Supplied with four cords with rings at one end, without masses.

Parallelogram of Force Apparatus

For parallelogram and polygon of forces. A strong drawing board 750 x 600 mm, fitted with brackets for fixing to a wall. Clear space is left all round the edges for attachment of pulleys etc., supplied with pulleys, cords but without masses.

Inclined Plane, Wooden

A wooden planed board 60x7.5cm. The board is hinged at one end to a wooden base board and the angle of incline can be fixed in a number of positions by a movable block. Complete with roller, pulley wheel and scale pan but without masses. 100gm, 200gm, 500gm, 1000gm

Inclined Plane, Metal

Constructed of metal, this inclined plane is hinged to a base. Unit is supplied with aluminum protractor and is graduated to 45°. The end of the inclined plane has an aluminum pulley attached to a clamp passing through an extension of one side of the plane.

Pulley (Plastic)

Pulley (Metal)

Aluminium, diameter, 50mm, in metal frame, with two hooks.

Pulley ( Rod Type )

Aluminium pulley, 38 mm diameter, mounted on a light alloy rod 150 x 10 mm.

Consists of free running, well balanced plastic pulleys. Each pulley measures 5 cm dia. and is mounted in an alloy frame
with hook at each end.

Single Pulley, Double Pulley, Triple Pulley, Quadruple Pulley 

These tandem pulleys are very long-lasting. They are provided with pin bearings and hooks on the top and bottom for hanging.

Double Pulley (3.8cm & 5cm diameter)
Triple Pulley (2.5cm, 3.8cm & 5cm diameter)

Sectional Model of 4-Stroke Diesel Engine

All parts made in aluminium alloy and metal. Ignition is shown by means of a miniature bulb. Fuel supply also sectioned. With a crank handle for manual operation. Mounted on a metal base. Height overall 43cm approx.

All parts made in aluminium alloy and metal. Ignition is shown by means of a miniature bulb. Fuel supply also sectioned. With a crank handle for manual operation. Mounted on a metal base. Height overall 39cm approx.

Sectional Model of 2-Stroke Petrol Engine

All parts made in aluminium alloy and metal.Ignition is shown by means of a miniature bulb. Carburettor or fuel supply also sectioned. With a crank handle for manual operation. Mounted on a metal base Height overall 34cm approx.

Sectional Model of 4-Stroke Petrol Engine

All parts made in aluminium alloy and metal. Ignition is shown by means of a miniature bulb. Carburettor or fuel supply also sectioned. With a crank handle for manual operation. Mounted on a metal base. Height overall 38cm approx.

Demonstration Steam Engine Model, Locomotive Type

Actual working sectional model showing cross section of the piston and slide valve, method of turning steam on and off. All parts such as crankshaft, valve, control, drive wheel etc. are clearly shown.

Model for AC Generator

Model for AC generator all its parts are visible specially the two rings.

Gear & Axle

Model for Moving Coil Galvanometer

For moving coil galvanometer with transparent parts and supplied with different 5 shunts to be changed into ammeter (5 A) and into a voltmeter (20 volts)

Generator Model

Handheld produces an output of 6V DC Includes attachable parallel electric board and alligator clips made of transport ABC resin (blue) measures 14'11 5'4cm

Jet Engine Models

MODELS strong metal with plastic fins showing Air intake. Axial flow double stage compressor. Fuel supply, combustion chamber, Turbine Rotor, Jet Thrust, Exhaust etc with diagram & labels. size 45x20x25cm.

Model for D.C. Generator

Operates on 6V DC.

Model for Motor

Model Front Steering Axle

Model of Piston

Model of Rear Axle

Model Turbine