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Physics Equipment
slinky springs
slinky springs
slinky springs
slinky springs
SLOTTED MASSES IN WOODEN BLOCKS
Consists of three slotted brass masses of 50g each, contained in cylindrical wells drilled in a wooden block. The wooden block has a hook at its one end to enable its use as a slider block of varying mass in various motion/friction experiments. Slotted masses can also be used for loading by suspending from a suitable hanger, as and when needed.
SLOTTED MASSES SET
For use with sonometers, cast iron, finished in synthetic hammer tone.
Small Cubes with Equal Volume
Specifications : Size: 20 x 20 x 20 mm. A simple way to study density. Set of seven cubes of equal side (20 mm) and different mass in iron, brass, lead, copper, tin, aluminium and zinc for experiments on density measurements. LAWS & PRINCIPLES INVESTIGATED : • Density.
SODIUM VAPOUR LAMP
Suitable for spectroscopy, polarimetry, refractometry and interferometry. Complete with vacuum jacket, rated 35 watts. For producing highly intense monochromatic light. Each lamp has a glass envelope with an inner discharge tube containing the gas or vapour and two electrodes. The envelope is mounted on an E. S. cap, providing an arc centre height of about 110mm. Each lamp is fully interchangeable, without any adjustment.
SOLAR CELL MOUNTED
A solar cell mounted on the plastic case. providing output of 1V at 20OmA through the 4mm sockets.
SOLAR ENERGY KIT
A completely self contained kit mounted on a sturdy sheet metal box and provides all the necessary components for demonstrating the conversion of solar energy into electrical energy, sound energy and light energy. Comprises a solar cell with a lead terminating into 4mm plug for output that can be plugged in respective sockets on top of the metal box. Input sockets provided and marked clearly for cell holder (for battery charging-storage of energy), voltmeter, bulb, buzzer and electrical motor.
SOLAR MOTOR WITH FAN
A lightweight plastic fan blades mounted on a low voltage DC motor that can be driven by the output of solar cell.
SOLAR SYSTEM MODEL (The Orbit Orrery)
For demonstrating the overall shape of solar system, and the main movements of the planets. The apparatus has all the nine planets of Solar System from Mercury to Pluto on revolving arms with the biggest sphere representing sun positioned at the center. The planets are relative to their size as they appear in the solar system, but not to scale.
SOLAR SYSTEM MODEL, SIMPLE
A simple and economical model for demonstrating the overall solar system. and the movement of the planets. Similar to PHYSICAL / POLITICAL GLOBE but smaller in size and mounted on wooden base. The central globe depicting sun has a small bulb inside with wires coming out from the base and terminating in a cell-holder to power the bulb. The apparatus has all the nine planets of Solar System from Mercury to Pluto on revolving arms made of metal wire, with the biggest sphere representing sun positioned at the center. The planets are relative to their position as they appear in the solar system, but their sizes not to scale.
SONOMETER WIRES SET
Set of six wires, 3 each of brass and steel of length 1. 5m, and cross-section 22, 24 and 26SWG, with looped ends, ready for use.
SONOMETER, BOX TYPE
Comprising a hollow wooden resonance box about 114cm length, 12.5cm width and 10cm height, with two meter graduated in millimeter, mounted on top on either side along the length. One each of brass and steel wires of different diameter attached to fixed bridge on one end of the box and tensioned by wrest pins at the other end. A pulley mounted at the end supports third wire over it with masses suspended to the wire end. Includes two short and two long bridges for adjusting length of vibrating strings, and additional wires one each of steel and brass of 22 SWG, length about 1.5m
SONOMETER, BOX TYPE, WITH SPRING BALANCE
Similar to Sonometer Simple but with spring balance attached to each or the two wires for measuring wire tension and with 0-60cm scale mounted along each edge, in place of 1m scale
SONOMETER, GRADUATED MONOCHORD
For investigating pitch of vibrating strings as a function of their tension, length and thickness. Comprises a hollow resonance box with three adjustable strings - two strings by means of wrest pin while third one at the center with loads or a spring balance. A 60cm scale fixed on one side between two fixed bridges has multi-coloured segments for easy reading, with each smallest block of 1 cm. provided with two movable bridges to facilitate changing effective string length.
SONOMETER, SIMPLE PATTERN
For verifying the laws of vibrating strings. Comprising a wooden baseboard about 70x9cm supported on feet at its four corners. One end of the base has two 50N spring balances with hooks and the other end has two corresponding wrest pins for mounting wires and adjusting their tension. Also provided are three bridges one large, to span both wires, and two small, for the inspanidual wires, to control the length of string undergoing vibration. Supplied with two steel wires each of 30SWG x 1m long and one wrest pin key.
SONOMETER, SIMPLE PATTERN, IMPROVED
Similar to SONOMETER SIMPE PATTERN in basic constructional features and functionality, but has simple thumb screw geared mechanism in place of wrest-pins, that provides more reliable, robust, fail-safe arrangement for adjusting wire tension, and provides for easy changing of wires
SONOMETER, THREE WIRE PATTERN, GEARED
A hollow wooden sounding box, about 1160x 120x 115mm (length x width x height) provided with 0-100cm scale at its top, with two wires stretched over fixed bridges, one at each end of the box. One wire passes over a horizontally mounted pulley and has a spring balance for directly reading the tension applied. The second wire is fixed at one end and attached to wrest pin for tension control and provides complete length of vibration. The third wire passes over a vertically pulley and for suspending masses through it for tensioning the wire. The wires supplied are of steel and are carefully selected to possess the exact determined density and radius uniformly throughout the length to avoid the need of repeated measurements. The wire tension mechanism is based on robust and mechanically sound thumb screw & gear system, which is accurate, more reliable and makes changing wires quick and easy. Complete with three moveable bridges, wrest-pin key and a set of four wires, length 1 m, diameters 0.70, 0.40 and 0.40mm. Supplied without masses.
SPECIFIC GRAVITY ACTIVITY SET
The Set contains Hydrostatic Balance, a Spring Balance, weight box with masses from 1 mg to 1 OOmg, Bucket and cylinder, overflow can, catch bucket and 3 metal cubes of different densities, one each of brass, aluminium, steel.
SPECIFIC GRAVITY BOTTLE, BOROSILICATE GLASS 10ml
Made of borosilicate glass, spherical pattern, flat bottom with perforated stopper.
SPECIFIC GRAVITY BOTTLE, BOROSILICATE GLASS 25ml
Made of borosilicate glass, spherical pattern, flat bottom with perforated stopper.
SPECIFIC GRAVITY BOTTLE, BOROSILICATE GLASS 50ml
Made of borosilicate glass, spherical pattern, flat bottom with perforated stopper.
SPECIFIC GRAVITY BOTTLE, NEUTRAL GLASS 10ml
Same as item PHYSICS 0024 but made of neutral glass, Calibrated: Volume of each bottle is accurately calibrated and adjusted at 20?C to the value indicated on it and non calibrated
SPECIFIC GRAVITY BOTTLE, NEUTRAL GLASS 25ml
Same as item PHYSICS 0024 but made of neutral glass, Calibrated: Volume of each bottle is accurately calibrated and adjusted at 20?C to the value indicated on it and non calibrated
SPECIFIC GRAVITY BOTTLE, NEUTRAL GLASS 50ml
Same as item PHYSICS 0024 but made of neutral glass, Calibrated: Volume of each bottle is accurately calibrated and adjusted at 20?C to the value indicated on it and non calibrated
Spectrometer
Specifications : Size: 44 x 30 x 30 cm in wooden box – Weight: approx. 12 kg. Studying the spectral lines of a light source. The Spectrometer is used to study the spectral lines of a light source. Spectrometer allows you to detect the spectral lines with precision and to measure the corresponding wavelength. Easy to use and robust, this instrument is particularly suitable for classrooms. LAWS & PRINCIPLES INVESTIGATED : • Dispersion of light from a prism • Diffraction of light from a diffraction grating • Measurement of a dispersion power of a prism • Refraction index of a prism • Measurement of the diffraction power of a grating • Visualizing atomic spectra for different kind of lamps • Light emission by excitation of electrons • Measurement of the wavelength of the spectral lines • Quantum energy levels • Intensity of a spectral line
SPECTROMETER PRISM
Optically worked for Spectrometer, equilateral prism with two faces polished. Available in several glass types having different refractive indices (?) and sizes (side x length).
SPECTROMETER, ADVANCED, WITH DOUBLE VERNIER
177mm diameter circle, Allows readings to 30 seconds of arc. This instrument whilst robust enough for inspanidual student use is also intended for more advanced work. 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: The 177mm diameter circle is fixed. and the table and telescope movements are completely independent of each other. Both movements can be read to 30 seconds of arc by means of double ended vernier. Both rotations have fine adjustment screws. and release of a clamping screw enables coarse adjustment to be made by hand. 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. 32mm clear aperture. Also fitted is a 15 x Ramsden eyepiece and a crossline graticule. Both the telescope and collimator have rack and pinion focusing. Means are provided for leveling the axes of both optical units and for squaring them to the axis of rotation. Prism Table: The table is marked with 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 Nos, Watchmaker's eye glass -1 Nos, Tommy Bar / L Key for adjusting optical axis of tubes -1 Nos, Polished hardware case.
SPECTROMETER, KIRCHHOFF - BUNSEN TYPE
For qualitative observation and measurement of emission and absorption spectra. Table unit has fixed optical flint prism with removable cover. Includes swiveling observation telescope with movable ocular, scale tube with reference subspanision, slit tube with adjustable slit. Complete assembly supported on vertical pillar mounted on circular cast metal base.
SPECTRUM TUBE POWER SUPPLY
A specially designed high quality spectrum tube power supply, designed keeping in view user's safety in mind. Complete assembly is housed in a sturdy and durable, pillar type sheet metal casing with indicator type ON/OFF switch and captive mains cable. All the connecting sockets are fully shielded to prevent electric shock. A pair of highly insulating, moulded plastic sockets are fitted - one near the top and other near the bottom to hold spectrum tubes firmly, while preventing the user from touching the electrodes. The bottom socket is spring loaded to enable quick and easy changing of spectrum tubes. Black metal panel behind the mounted tube eliminated distracting ambient light and protects tube from breakage. Operates on 220-240V AC, 50Hz.
SPECTRUM TUBES
Evacuated glass tubes, about 20cm long, straight form, filled with different types of gases or vapours to study their respective discharge. The glass tubes has metal cap electrodes at both the ends for connecting to high voltage supply and about 50mm long fine capillary in the middle for showing the concentrated effect of discharge. Available in discharge tubes with different gases or vapours.
SPECTRUM TUBES Variable Power supply for spectrum tubes
Useful for operating gas discharge or spectrum tubes. Operates on 220-240V AC, 50/60Hz. Simple and economical power supply housed in sheet metal casing. Provides output from 1.5 to 3kV through a pair of 4mm shielded sockets. With ON/OFF switch and Argon Alcohol Vapours Hydrogen Sulphur Vapours Chlorine indicator.
Sphere with Two Stopcocks
Specifications: capacity 1 l. A simple experiment to measure air density. This item consists of a Pyrex glass sphere with two stopcocks. The blown glass can hold low-vacuum and has a capacity of roughly 1 litre. The sphere is equipped with two stopcocks and glass connections for rubber tubes. LAWS & PRINCIPLES INVESTIGATED : • Air density • Vacuum.
SPHERICAL MIRRORS
Unmounted spherical mirrors, optically worked, silvered back with protective coating. Available in focal lengths 100mm, 150mm, 200mm, 300mm for Diameter 50mm, 60mm & 75mm.
SPOT REFLECTING GALVANOMETER
A sensitive device suitable for Industrial Kelvin Double Bridge and Senior Kelvin Double Bridge as a null detector. Housed in a sturdy sheet metal casing with self contained lamp and scale arrangement. With LocklUnlock knob at the top; and ON/OFF switch, a pair of 4mm colour coded socket terminals for input to be measured and sensitivity adjustment knob at the front. The front scale graduated in millimeters from 0-18cm (left zero and 9-0-9cm (center zero), for reading as required. Galvanometer coil resistance 1250 Nominal, Sensitivity is 15mm/J.1A, time period 2 seconds, and critical damping resistance 10000. Operates on 220-240V AC 50/60Hz.
SPOUTING CYLINDER Better Quality
Same as item PHYSICS 0026 but with better quality. Sturdy sheet metal construction with heavy base having scratch-resistant epoxy coating. All orifices made of brass pipe fitted in the cylinder with leak-proof joints
SPOUTING CYLINDER, ECONOMICAL Painted Blue Acrylic
Made of stout tin sheet, well painted, having three orifices of the same size but at different heights down one side
SPOUTING CYLINDER, ECONOMICAL Painted Hammer Tone Grey
Made of stout tin sheet, well painted, having three orifices of the same size but at different heights down one side
Spouting Jar
The Spouting Jar Apparatus gives a very nice classroom demonstration of
the laws governing pressure in fluids. The apparatus consists of a metal
column filled with water with spout out water at different height along the
vertical column through rubber tubes fixed along its length. The experiment will clearly see the direct relationship between the pressure of the liquid and length of the ejected water column through each spout. Specifications : Size: 25 x 28 x 52 cm – Weight: approx. 1.8 kg,. COMPONENTS : • Spouting Jar Stand • Tube (4x) • Mohr Clip. LAWS & PRINCIPLES INVESTIGATED : • Stevino’s Law.
Spring Set
Specifications : Wave Form Helix (Slinky), diameter 8 cm, unstretched length 13 cm, may be stretched to approximately 5 m Helix Spring, diameter 2 cm, unstretched length 1 m. COMPONENTS : • Wave Form Helix (Slinky) • Helix Spring • Cord. LAWS & PRINCIPLES INVESTIGATED : Logitudinal and transversal waves.
STANDARD SPECTROMETER
An economically priced instrument, which is nevertheless capable of much useful quantitative work. The main structural parts, including the collimator and telescope bodies are heavy castings, other metal parts being bright plated. Scale: 170mm diameter, spanided 0 to 3600 x 10, independently rotatable with locking screw. A spring-loaded vernier scale attached to the telescope mount provides readings to O. 10 (6 minutes of arcJ. Collimator: Mounted on fixed pillar with axis adjustment. Objective lens has 150mm FL, an aperture of 21 mm and is carried in spiral focusing system. Unilaterally adjustable slit 6mm long. Telescope: Mounted on moveable pillar with adjustment, locking screw and axis adjustment. Objective lens has 170mm FL, 21 mm aperture and is carried in a spiral focusing system. Ramsden eyepiece with cross wires and locking ring focus adjustment. Prism Table: The table is provided with three leveling screws and has lined marked to assist placement of prism.Standard Accessories Supplied: 1 prism clamp for prisms up to 40mm high, 1 diffraction grating holder, aperture 25 x 25mm, 1 small screw driver, 1 tommy bar for axis adjustment.
STANDS FOR MAGNETIC, NEEDLES
Non-magnetic pillar with carbon steels pivoting point, on stable circular base of bakelite, overall height about 110mm
STANDS FOR MAGNETIC, NEEDLES
Non-magnetic pillar with carbon steels pivoting point, on stable circular base of plastic.
STANDS FOR MAGNETIC, NEEDLES
Carbon Steel pivoting point mounted on pillar and stand, both of aluminium
STEAM BOILER
Used as a source of steam, wherever needed in the experiments. Comprises a cylindrical copper body with a conical top having short neck for sealing the mouth at the top using rubber bung, and is fitted with a nozzle for steam outlet and loop handle. A transparent plastic tube connected vertically to the reservoir through small L-shaped tubules near top and bottom indicates water level to prevent dry heating of the boiler. Capacity - 2 liters.
STEAM BOILER Deluxe Model
Used as a source of steam, wherever needed in the experiments. Comprises a cylindrical copper body with a conical top having short neck for sealing the mouth at the top using rubber bung, and is fitted with a nozzle for steam outlet and loop handle. A transparent plastic tube connected vertically to the reservoir through small L-shaped tubules near top and bottom indicates water level to prevent dry heating of the boiler. Capacity - 2 liters.
STEAM BOILER Economical Design
Used as a source of steam, wherever needed in the experiments. Comprises a cylindrical copper body with a conical top having short neck for sealing the mouth at the top using rubber bung, and is fitted with a nozzle for steam outlet and loop handle. A transparent plastic tube connected vertically to the reservoir through small L-shaped tubules near top and bottom indicates water level to prevent dry heating of the boiler. Capacity - 2 liters.
STEAM BOILER GI Sheet, Economical Design.
Used as a source of steam, wherever needed in the experiments. Comprises a cylindrical copper body with a conical top having short neck for sealing the mouth at the top using rubber bung, and is fitted with a nozzle for steam outlet and loop handle. A transparent plastic tube connected vertically to the reservoir through small L-shaped tubules near top and bottom indicates water level to prevent dry heating of the boiler. Capacity - 2 liters.
