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Physics Equipment
EXPANSION OF LIQUIDS APPARATUS WITH BACK PANEL Set of 5 Glass Bulbs, Spare
Similar to EXPANSION OF LIQUIDS APPARATUS but with bulbs supported on a vertical positioned back-panel in place of the frame'through the clips. This back panel provides the easy reading of liquid level along the scale, while simultaneously facilitating easy removal and mounting of bulbs in the water trough for their convenient filling, care and cleaning. The water trough has channel shaped slots on the inner side for vertically sliding the back panel into position.
FALLING BODIES APPARATUS (PROJECTILE APPARATUS)
For demonstrating the independence of horizontal and vertical velocities of bodies falling freely under the effect of gravity. The apparatus consists of a wooden block on top of which is pivoted a spring loaded L?section metal launching bar having a trigger catch. A small recess near either end of the metal bar serves to locate 1 9mm steel balls. Releasing the catch makes one ball drop simply vertically, while the other one is projected horizontally. Both the balls simultaneously hitting the floor substantiate the fact that the vertical velocities of both the balls are same at any instant. Supplied complete with a pair of steel balls, which may be stored in a covered recess in the wooden body.
Falling Bodies Upgrade
A simple and affordable way to observe laws of motion and energy conservation. COMPONENTS : • Diving Board with Screw • Stainless Steel Sphere diam. 25 mm • Stainless Steel Sphere diam. 19 mm. LAWS & PRINCIPES INVESTIGATED : • Conservation of energy in elastic collisions • Momentum conservation in elastic collisions • Laws of motion.
FARADAY'S PAILS
Demonstrates that charge only resides on the outer surface of a hollow conductor with no charge on inner surface. Set consists of 4 nesting aluminium cylindrical containers each fitted with insulating feet. Sizes for each vessel [diameter x height) 150x 120mm, 120x 11 Omm, SOxSOmm, 75x75mm.
Ferrite Magnet
Specifications : Size: 5 x 1.9 x 0.6 cm. Magnetised through thickness.
FIELD EFFECT TRANSISTOR
This is a very high input impedance device. in wHich input signal is capable of effecting appreciable change in voltage level but not an appreciable change in current. and essentially provides features of popular devices of vacuum tube electronics such as vacuum triode and pentode.
FIXED ELECTRIC CAPACITOR
Comprises a fixed capacitor of value 3.15?F, rated at 350V AC, mounted on a box. Other values at different ratings also available on specific request.
FLECTCHER'S TROLLEY
For experiments on acceleration. Comprises a lightweight aluminum track about 1 720mm long and 1 50mm wide with leveling screws and cushioned stops at either end, 50mm diameter pulley fixed towards one end, clamp for vibrator and automatic pen release. A metal trolley 690 x 80 x 65mm, with ball bearing mounted wheels to minimize friction, has five holes for accommodating cylindrical masses. Also included is a vibrator and pen holder with one each wooden blocks of size 150x75x 13mm, 150x75x50mm. supplied without pen and paper.
FLOATING RING MAGNETS
Demonstrates the repulsion between like poles of magnets. Comprises annular ceramic magnets of size 38x5mm (outer diameter x 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.
FLOATING RING MAGNETS with 3 Magnets
Demonstrates the repulsion between like poles of magnets. Comprises annular ceramic magnets of size 38x5mm (outer diameter x 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.
FLOATING RING MAGNETS with 5 Magnets
Demonstrates the repulsion between like poles of magnets. Comprises annular ceramic magnets of size 38x5mm (outer diameter x 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.
FLUID PRESSURE APPARATUS
Demonstrates the phenomenon, of transmissibility of fluid pressure. For the same force exerted, pressure is inversely proportional to the surface area. The apparatus comprises of the plated brass cylindrical tubes of different diameters, each fitted with piston and connected to each other through a brass tube at their bottom. Pistons have circular disc at the top for loading masses (masses not includedJ. Complete apparatus mounted on a wooden base.
FLUORESCENT X-RAY SCREEN
Rectangular screen having special coating, emits fluorescent glow at the point where X-ray falls. Duly framed and covered by thick protecting glass. Available in various sizes.
FLY WHEEL, DELUXE
Bigger flywheel of about 20cm diameter and 44mm wide, accurately turned and dynamically balanced, fixed on a horizontal shaft, which in turn is held in metal frame with the help of low-friction ball bearings. The wheel has an index mark and pointer is fixed to the frame for use as a reference point. The metal frame also has provision for fixing it to the wall.
FLY WHEEL, SIMPLE
For demonstration of principle concept of a flywheel and how mechanical energy stored in it can be employed for various useful purposes. A simple and economical model, diameter of fly?wheel about 100mm, mounted on a base.
FOOT PUMP
For use with Boyle's Law apparatus, or any other application needing manual compressed air source or blowing of air. A metal cylinder has an outlet tube with pressure gauge present at its one end and piston with foot?pedal attached at the other end. Pressing the pedal down and releasing it moves the piston in and out of the cylinder, pushing the air through the flexible hose pipe, which has a standard automobile tyre valve connector at its free end. A set of adaptor is included to facilitate the connection of flexible hose pipe to various inlets
FORCE ON A CONDUCTOR BALANCE
For demonstrating the dependence of force experienced by a current carrying conductor, when placed in magnetic field, on magnetic field strength and magnitude of current flowing through the conductor. Comprises a metal wire arms formed into rectangular L-Ioop with its both ends supported in an insulated balance beam. The beam in turn is supported on top of a pair of metal pillars through conical bearings functioning as fulcrum. Balance beam has two screwed masses - one horizontal for adjusting equilibrium position of suspension arms, other vertical for adjusting sensitivity. One arm has a rider sliding along a scale graduated 0 to 75 x 1 mm for adjusting equilibrium with the current flowing. The L-shaped bend at the end of arms oscillates vertically in magnetic field provided by permanent magnets that can slide to adjust the length of arm in magnetic field. Each pillar provided with a hole for accommodating 4mm plugs for electrical connections. Complete assembly mounted on a base.
FORCE PUMP MOUNTED BOROSILICATE GLASS
Working Model made of Borosilicate glass, similar to PHYSICS 0046 but mounted on wooden stand with trough for water. Provides convenient demonstration to a group of students. Made of Borosilicate glass, similar to PHYSICS 0046 but mounted on wooden stand with trough for water. Provides convenient demonstration to a group of students.
FORCE PUMP MOUNTED NEUTRAL GLASS
Working Model made of Neutral glass, mounted on wooden stand with trough for water. Provides convenient demonstration to a group of students.
FORCE TABLE
Used for verifying the laws of composition and resolution of forces utilizing vector diagrams of several concurrent forces. Comprising a thick aluminium circular table, about 40cm in diameter and finished with scratch resistant black epoxy coating. Raised outer rim of the table has circular scale graduated 0 to 360 degree x 1", and marked every 10?. Table mounted on a heavy, stable cast metal tripod base through a metal pipe, with base having three leveling screws. Also included are four pulleys in clamp that can be attached anywhere along the rim. A detachable pin, positioned at the center of the table indicates the balancing for forces through the centering of ring, tied to the strings carrying masses and suspended through the pulleys, around it. Supplied complete with set of strings tied to the rings, center pin and 4 sets of slotted masses with hanger, each set having one hanger 100g and masses 1 each of 10,20,50 and 100g
Force Table
Specifications : Height: approx. 40 cm. COMPONENTS : • Force Table Stand
• Low Friction Pulley for Force Table (3x) • Dual Range Force Sensor Adapter
• Slotted Masses 250g (3x) • Polyester String • Rings set. LAWS & PRINCIPLES INVESTIGATED : • Balancing force • Concept of force • Direction of a force
• Equilibrium of a material point • Intensity of different forces • Measure the intensity of a force • Rule of the parallelogram.
FORTIN'S BAROMETER
A glass tube of about Bmm bore is encased in an enameled and lacquered brass tube, mounted on a polished wooden board with provision for wall mounting. With chemically engraved, silvered scales, graduated in both mm and 1/10" accompanied with a Vernier having a least count of 0. 1 mm or 1/200 inch of mercury that moves with rack and pinion arrangement and is mounted between the two scales, complete arrangement enclosed in a glass cylinder. A white reflecting surface behind the scales facilitates its easier reading. A glass cylinder towards the lower end of the barometer has an ivory pointer with adjustment screw that provides fiducial setting point to which the level of the mercury in the cistern is adjusted before noting the reading. A ring support and three locking screws at base of instrument provide a mean of securing the barometer in vertical position. Fitted with a thermometer to read ambient temperature. Supplied without mercury. Includes instructions for filling the Barometer.
FOSSILS COLLECTION SET
A collection of fossils and fossil casts selected for schools students. Each specimen properly labeled and numbered. Supplied in a partitioned wooden case. The set contains
A. Plantae, Pteridosperm, Carboniferous
B. Mollusca, Lamellibranch, Recent
C. Mollusca, Gastropod, Tertiary
O. Mollusca, Ammonite, Jurassic
H. Mollusca, Belemnite, Jurassic
I. Brachipoda,Brachiopod, Jurassic
J. Coelenterata, Coral, Carboniferous
K. Coelenterata, Graptolite, Ordovician
L. Echinodermata, Crinoid, Carboniferous
M. Echinodermata, Echinoid, Jurassic
N. Arthropoda, Trilobite, Silurian
O. Vertebrata, Shark's Tooth, Miocene
A. Plantae, Pteridosperm, Carboniferous
B. Mollusca, Lamellibranch, Recent
C. Mollusca, Gastropod, Tertiary
O. Mollusca, Ammonite, Jurassic
H. Mollusca, Belemnite, Jurassic
I. Brachipoda,Brachiopod, Jurassic
J. Coelenterata, Coral, Carboniferous
K. Coelenterata, Graptolite, Ordovician
L. Echinodermata, Crinoid, Carboniferous
M. Echinodermata, Echinoid, Jurassic
N. Arthropoda, Trilobite, Silurian
O. Vertebrata, Shark's Tooth, Miocene
Free Fall and Pendulum Apparatus
Specifications : Vertical column height: 170 cm – Scaled surface length: 150 cm. The apparatus is designed specifically for the study of free fall due to gravity and the study of the Law of the Pendulum. It consists of a vertical column with a graduated scale and an electromagnet, mounted on a triangular base with levelling screws and a basket for the falling spheres. The acceleration of free falling bodies, defined as “g”, is studied by measuring the time necessary for a falling body to move a fixed distance on the graduated scale. The apparatus can be used with Electronic Timer. To use a large LED display for classroom use, the Large Display is an ideal choice. COMPONENTS : • Base for Free Fall and Pendulum Apparatus • Profile for Free Fall and Pendulum Apparatus • Electronic Digital Timer • Photogate (2x) • Electronic Oscillation Counter • Power Supply 12 V DC 220 V AC • RCA Cable length • Stereo Jack In/Jack Out Cable • Polyester inelastic String • Set of Three Spheres with Hook (PVC, Brass, Wood) • Stainless Steel Sphere diam. 19 mm • Stainless Steel Sphere diam. 25 mm • Free fall electromagnet cap for track • Magnetic Support for Pendulum Cord • Plasticine? • Support for Magnet (Short). LAWS & PRINCIPLES INVESTIGATED : • Investigating motion of different objects with free fall • Experiment to demonstrate the Law of the Pendulum • Acceleration of a free fall objects of different masses
• Determination of “g” and acceleration by means of the free fall • Determination of “g” by means of the pendulum • Drag or frictional force on a pendulum • Study the oscillations or periods of a pendulum • Determination of the drag force acting on a body in motion.
FRENCH CURVE
Comprises a set of four quadrant arcs, hinged together so as to open them into a complete circle. Also shows the different shapes that can be formed from this geometry.
FRICTION RODS FOR ELECTROSTATICS
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FRICTION RODS FOR ELECTROSTATICS Compound
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FRICTION RODS FOR ELECTROSTATICS Ebonite
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FRICTION RODS FOR ELECTROSTATICS Ebonite
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FRICTION RODS FOR ELECTROSTATICS Glass
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FRICTION RODS FOR ELECTROSTATICS Nylon
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FRICTION RODS FOR ELECTROSTATICS Perspex
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FRICTION RODS FOR ELECTROSTATICS Polythene
Rods of different materials, useful in the study of electrostatics by charging through rubbing by a suitable material. Lengths of all rods about 30cm with their diameters about 12-13mm.
FULL WAVE RECTIFIER
Demonstarates the working of a full wave rectifier and the principal involved. Comprising of rectification circuit using four silicon diodes, internally connected in bridge pattern.
FUNCTION GENERATOR - AMPLIFIER - FREQUENCY COUNTER
A reasonably priced, feature rich apparatus incorporating three functions into a single instrument with 4 digit, 7 segment LED display. Its simple and well organized operating panel makes it well suited for demonstration experiments by the teachers as well as for use by the students for experiments in vibrations, waves and much more. Function Generator: Provides three type of output waveforms - sine, square and triangular with a broad continuous frequency range of 0.1Hz to 100kHz with output impedance of 600Ω and maximum output amplitude (Vpp) of 20V (peak-to-peak). Also provided with digital fine tuning of both frequency as well as amplitude with frequency readout available on the digital display. The BNC output signal connection is short circuit protected. Also allows the demonstration of frequency modulation by connecting an external signal.
DC Amplifier: Also incorporated is a 10W amplifier, short circuit protected, and has a frequency range from 0-50kHz with maximum input of ?50V it can also be used to. amplify signals from the function generator or from external sources. The input of external signals is by means of a BNC connector with an impedance of 10kΩ and the output signal is accessible through safety-type 4mm colour coded shrouded banana jack connectors, Frequency Counter: Provides a fully automatic measurement of external frequencies from 0.1Hz to 150kHz, which can be read directly from the 4digit digital display. The apparatus operates on 220-240V AC, 50Hz. Supplied complete with detachable 3-core mains lead and user instruction manual.
DC Amplifier: Also incorporated is a 10W amplifier, short circuit protected, and has a frequency range from 0-50kHz with maximum input of ?50V it can also be used to. amplify signals from the function generator or from external sources. The input of external signals is by means of a BNC connector with an impedance of 10kΩ and the output signal is accessible through safety-type 4mm colour coded shrouded banana jack connectors, Frequency Counter: Provides a fully automatic measurement of external frequencies from 0.1Hz to 150kHz, which can be read directly from the 4digit digital display. The apparatus operates on 220-240V AC, 50Hz. Supplied complete with detachable 3-core mains lead and user instruction manual.
FUNCTION GENERATOR WITH POWER AMPLIFIER
A versatile function generator with built in Power Amplifier, which can be used as a normal bench top generator and also with Power Amplifier to drive experiments related to sound, vibration, resonance etc. equipped with separate attenuation for Function Generator and Power Amplifier, both can be used independently as well as in combination. Main features included Function Generator with Power Amplifier 0.2Hz to 200kHz frequency range ? Sine, Square, Triangle, Pulse and TIL output ? LCD display ? Am - FM modulation ? 80dB attenuation. Technical Specifications Operating Modes : Sine, Square, Triangle, Pulse, TIL, Frequency Range : 0.2Hz-200KHz in 6 steps (variable control in between), Frequency Display : digits LCD, Sine Wave Distortion : <2.5%, Output : 20 Vpp open circuit, 10 Vpp into 50 ohms., Attenuation : 80db (Fixed: 40dB, Variable: 0 to 40dB), Modulation : AM & FM, Modulation Frequency : 0-20KHz., Range Modulation : 2Vppmax., Input [external) Power : Built-in 10W peak power (8 ohms] amplifier, Amplifier : Frequency 20Hz to 20KHz (fuse protected] 220V? 1%, Power Supply Power : 50/60Hz AC, Consumption : Normal- 11 VA ?approx.J. with Power Amplifier 19 VA (approx), Operating Conditions : 0-40?C, 90% RH, Included Accessories : BNC Cable, Operating Manual, 2mm Patch cords.
GALVANOMETER EDSPOT
A highly sensitive apparatus for measuring very small charges (of the order of ?C) and currents (of the order of ?A) and as null point detector. It has an integral taut suspension movement, lamp unit and scale, the indication being presented as a hairline in a brilliant light spot on a translucent screen. The range switch enables the instrument sensitivity to be adjusted in convenient steps, whilst retaining critical damping conditions and presenting constant resistance at the instrument terminals. Provision for effectively damping any transverse suspension vibrations, without affecting the electrical characteristics of the instrument. Signal input through 4mm colour coded socket terminals, with input circuit protected against accidental inputs of high magnitude. The front scale graduated in millimeters from 0-18cm (left zero) and 9-0-9cm (center zero), for reading as required. With Lock/Unlock, zero adjustment and sensitivity adjustment at the front. Range attenuation - sensitivities of x 1x0.1, x0.01 and x 0.001, related to both current and voltage sensitivities with constant input resistance. Operates on 220-240C AC mains, 50/60Hz.
GALVANOMETERS
Moving coil meters with center zero, in case, for DC measurements.
GAS TURBINE TURBOJET ENGINE
The open sectional model constructed of light?weight cast alloy metal shows the internal structure in detail. The critical components such as air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotor, jet thrust exhaust etc. , are clearly depicted. Provides easy understanding of the functioning of a gas turbine / turbojet engine.
GAS TURBINE TURBOJET ENGINE Mounted on metal base with printed diagram and key
The open sectional model constructed of light?weight cast alloy metal shows the internal structure in detail. The critical components such as air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotor, jet thrust exhaust etc. , are clearly depicted. Provides easy understanding of the functioning of a gas turbine / turbojet engine.
GAS TURBINE TURBOJET ENGINE Mounted on plastic base
The open sectional model constructed of light?weight cast alloy metal shows the internal structure in detail. The critical components such as air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotor, jet thrust exhaust etc. , are clearly depicted. Provides easy understanding of the functioning of a gas turbine / turbojet engine.
Generator Model
Specifications : Base dimensions approx. 12 x 12 cm. LAWS & PRINCIPLES INVESTIGATED : • Motor spinning • Dynamo • Current generation.
GEOMETRICAL MODELS SET
Consists of various 3D geometrical models and figures, made of hardwood. Comes nicely packed in wooden or plastic case, as required.
GEOMETRICAL MODELS Set of 16
Consists of various 3D geometrical models and figures, made of hardwood. Comes nicely packed in wooden or plastic case, as required.
GEOMETRICAL MODELS Set of 19
Consists of various 3D geometrical models and figures, made of hardwood. Comes nicely packed in wooden or plastic case, as required.
GEOMETRICAL SHAPES, RUBBER
Washable and can withstand normal abuse . Very useful for showing the concept of different shapes and sizes and their interrelationships to small students. Comes nicely packed. , Various shapes included in different sizes and quantities are cubes, cuboids, rectangular slabs, cylinders, right angled prisms, spheres, hemispheres, rectangular blocks with semi-cylindrical cut-outs, cone, square pyramid etc.
GLASS BLOCK, RECTANGULAR, DELUXE
Made from high optical quality white glass with polished surfaces free from any defect. All angles accurately worked with edges slightly beveled and glass totally free from bubbles.
GLASS BLOCK, RECTANGULAR, ECONOMICAL
Made from moulded glass with polished surfaces. All angles accurately worked. For refraction experiments.
GLASS TUBE
Spare for Resonance Apparatus, about 84cm long and 2.5cm diameter.
GOLD LEAF ELECTROSCOPE
Rectangular sheet metal case mounted in insulated base and provided with removable front and back sliding glass panels, one clear and other ground, respectively. Removable disc electrode mounted at the top through a moulded plastic bush insulating the disc electrode from the metal body to prevent charge leakage. The plastic bush has a plated metal blade on the underside for fixing the gold leaf. Case fitted with terminal at the side for earthing. Removable clear front slides up to allow insertion of ionizing material in chamber and fixing of leaves, when needed. A clear acrylic circular scale inside the chamber, graduated 0-900, facilitates the comparison of charge by means of deflection. Supplied complete with one pair of leaves.
