Steam Engine Unit
Steel Spring, Narrow
An adaptable equipment created for investigations on transverse wave motion is the Narrow Steel Spring. This steel spring, which has a 20 mm diameter, has a closed length of around 3 metres and a stretchable length of about 10 metres. The features of transverse waves as they go along the spring can be demonstrated using a variety of wave demonstrations thanks to this adjustable length. The Narrow Steel Spring offers a hands-on way to understanding wave qualities, such as wavelength, amplitude, and frequency, making it a fantastic instrument for involving students and enthusiasts in the study of wave phenomena. It is ideal for educational settings and scientific demonstrations.
Stirrup for Magnet
Student Pulley Set
Used to demonstrate the concepts of force and mechanical equilibrium. Contains a polished wooden base with a capstan mounted at one end and screw eye for hanging pulleys at the other, 24″ vertical support rod, 8″ crossbar with clamp, 8 single pulleys, 2 double pulleys, wheel and axle, 6 pulley clamps, 90° clamp, 9 hooked masses ranging from 10 to 1,000 g, pulley cord, and instructions.
Surface Tension Balance, Searle’s
A horizontal frame is mounted on a rod fitted to a base & carries a steel wire stretched across it, the tension of which can be adjusted by a tightening screw. A light weight metal pointer with a counterpoise is attached to the centre of the wire by a clamp. A pan is hung from a notch in the pointer and has a hook at its underside from which can be suspended a light weight rectangular frame or a metal clip to hold a micro slide edge. The tip of the pointer moves over a graduated scale. With rectangular wire frame, slide clip, six micro slides and 3 meters of spare wire.
Table Clamp With Pulley
Tandem Pulleys, Double
Tandem Pulleys, Triple
Thermal Conductivity of Metals Apparatus
Thermistor Unit
Ticker Tape Timer
Torsion Of Metal Rods Apparatus, Searle’s
Horizontal pattern, two heavy metal brackets are held together with connected rods. A heavy metal pulley, moving in ball bearings, is mounted on one bracket & is fitted with a three jaw chuck to hold one end of the test rod, the other end being held in another chuck fixed to the other bracket. Two graduated scales are mounted on the connecting rod & two pointers can be clamped in any desired position on the test rod, with one brass & one steel test rod but without masses.
Transistor Characteristics Apparatus
Turbine / Pump Unit
This simple unit can help the student understand the operating principle of pump and turbine. The unit consists of a rotor attached to a pulley via a shaft. It also includes 3 metal nozzles and a stopcock. When driven by a motor, the unit works as a pump, raising the water to higher potential energy. Whereas when the rotor is made to rotate by flowing water, the unit acts as a turbine.
Two Stroke Petrol Engine Model
Vacuum or Pressure Apparatus
A versatile, manually operated device for adjusting air pressure in regulated conditions is the vacuum or pressure apparatus. This device has two separate nozzles—one for exerting pressure and the other for creating a vacuum—along with a sturdy metal barrel that houses a piston mechanism. This device, which is intended to function in tandem with a vacuum plate, enables users to precisely modify and control pressure settings for a variety of scientific experiments, demonstrations, and real-world uses. It is a crucial instrument for establishing, maintaining, and observing various pressure states to meet certain experimental requirements due to its simplicity of use and dual purpose.
Vacuum Plate, Metal
The Vacuum Plate is a reliable and adaptable metal instrument made for use in scientific experiments and demonstrations. Bell jars with a diameter up to 9 inches can fit on its 11-inch-diameter top plate. The plate is made of sturdy cast iron and has a 3/8-inch hose connection for attaching a vacuum pump. It has a rubber gasket that ensures a safe and airtight seal between the plate and the bell jar as well as a vacuum release valve for controlled pressure adjustments. In order to facilitate numerous scientific experiments that call for a vacuum or low air pressure, this vacuum plate is crucial for establishing controlled low-pressure conditions inside of an enclosed enclosure.
Vacuum Pump with Plate
A mechanical tool called a vacuum pump with plate is used to create a vacuum or low-pressure condition in a small area. Typically, it comprises of a sealing plate and a pump mechanism. When the pump is turned on, it expels air molecules from the enclosed area, causing the pressure to drop. This configuration is frequently used in scientific research, lab work, and industrial processes when the absence of air is necessary for particular tasks like observing the behaviour of gases, testing materials, or preventing the oxidation of specific materials. A vacuum environment is created inside of an airtight enclosure thanks to the sealing plate, enabling experiments and controlled pressure decrease.
Variable Inertia Bar
This apparatus helps to demonstrate that the torque required to accelerate a flywheel depends upon its moment of inertia rather than it’s mass.A steel bar 790 x 12 mm is mounted at its centre on a sleeved spindle. The spindle is extended through a sleeve so that the bar may be rotated by a weight and string. Heavy adjustable masses are mounted on each end of the bar and may be clamped at any desired position enabling inertia to be varied.
Variable Inertia Kit
Voltaic Cell Set, Student
The purpose of the Student Voltaic Cell Set is to illustrate the characteristics of simple and primary cells. Two adjustable electrode holders are housed in a plastic jar with a screw-on plastic rim that is part of this kit. It has a porous ceramic cup and eight electrodes made of different metals. Students can explore and learn about the basic concepts of electrochemistry, cell potentials, and chemical reactions that produce electrical energy by putting these parts together and controlling them. For educational reasons, this kit offers a hands-on experience that helps students better comprehend voltaic cells and their traits.
Voltmeter, Moving Coil
Watchmaker’s Eye Glass
A specialised magnifying device used by watchmakers and jewellers for complicated jobs is called a watchmaker's eye glass. With a 25 mm diameter, this specific model offers an enlarged and clear view of tiny parts. It has a plastic eye-grip frame that enables the user to precisely position the magnifying lens over the area they are working on, and it is meant to be held comfortably while performing precision work. This equipment is essential for operations that call for fine details and delicate craftsmanship in the watchmaking and jewellery industries because it improves visibility and accuracy.
Water Turbine With Dynamo
Wave Machine, Metal
The flexible Metal Wave Machine was created to clearly depict both longitudinal and transverse wave phenomena. This device allows for fascinating wave motion demonstrations by using eccentric discs to drive metal rods. The device creates transverse waves using straight rods, displaying the typical up-and-down motion. In contrast, longitudinal waves created by bent rods show patterns of compression and rarefaction along the direction of motion. This Metal Wave Machine is a fun and useful teaching tool for explaining difficult wave concepts in a simple way. It's a great tool for educational settings, scientific exhibits, and hands-on learning opportunities, allowing students and hobbyists to thoroughly investigate and comprehend wave behaviour.
Wave Machine, Plastic
An easy-to-use tool for displaying wave motion is the Plastic Wave Machine. This plastic-made device has a rotating handle with a circular scale labelled in degrees, which makes it easy to see the motion. The apparatus's plastic tips are highlighted, making it easier to see wave patterns. It is a convenient and participatory instrument for learning about wave phenomena since users can generate and watch different wave motions by moving the handle. The Plastic Wave Machine is perfect for teaching since it allows enthusiasts and students to quickly understand wave concepts through practical experimentation and observation.
Wave Machine, Powell’s
One-of-a-kind equipment called the Powell's Wave Machine was created to visually depict wave phenomena. This wave machine, which consists of 19 spheres that are each attached to a 75 mm long rod with an attaching collar, shows how waves propagate dynamically. Along a revolving shaft, the spheres are uniformly spaced at 20° intervals. Two pillars installed on a solid base support this shaft. It is a great tool for demonstrating ideas like wave interference, frequency, and phase because the motion of the spheres as the shaft rotates creates a visually appealing portrayal of wave behaviour. The Powell's Wave Machine is ideal for educational settings and scientific demonstrations because it provides a practical way to understand complicated wave dynamics in a concrete and interesting way.
Weight Set On Box
Set of Mild steel and brass weights providing weighing range from 10 gm to 1990 gm. Contains six brass weights of two each of 100 gm, one each of 50 gm, one each of 20 gm and two each of 10 gm, three steel weights of one each of 1 kg, one each of 500 gm and one each of 200 gm. Housed in a molded tray.
Wheel And Axle
13 cm diameter molded wheel contains 4 grooves of different diameters in the ratios 1, 3, 5 & 7. The grooves are wide and flat bottomed ensuring an exact diameter for each groove, each comes with a small hole to retain the cord. The back of the wheel is hollow to minimize the mass and inertia. Wheel is attached to a 14 cm long rod.
Wire helix (Slinky)
A unique instructional item used to illustrate wave motion is the Wire Helix, sometimes referred to as a Slinky. It is made of flat-section steel wire that has been coiled into a helical shape and serves as a tangible example of how waves behave. The helix generates waves that move along its coils when it is stretched, crushed, or given a minor disturbance. This fascinating illustration aids learners and enthusiasts in comprehending the basic ideas of wave propagation, such as wavelength, amplitude, and frequency. The Wire Helix offers a tactile way to understand complicated wave behaviours while serving as an interactive and informative tool for wave phenomena exploration in science education.
Wood And Metal Cylinder
To show that metal has a lower specific heat than wood, constructed of wood on one end and hollow metal on the other. One way is to simply let students feel both ends of the cylinder at room temperature, enabling them to see that the metal end is cooler than the wooden end. Another easy demonstration is to wrap paper on both ends and hold the cylinder over a flame for five seconds. The metal end will be relatively unmarked while the wooden end will show scorch marks. Includes instruction manual.
Woolen Rubber
A woollen rubber square that is 250 mm on each side. Woollen rubber is a substance that has unusually high friction and the ability to produce static electricity. For experiments, demonstrations, and practical learning activities involving static charges and their interactions, this square is appropriate.
Young’s Modulus Of Wires Apparatus, Searle’s Pattern
Two metal frames are connected by a pivoted link which also carries a spirit level. A micrometer head reading to 0.01 mm is provided to re-adjust the spirit level. With two self-centering wire pin chucks, a ceiling bracket also with two pin chucks, a counterpoise weight & supply of suitable wires but without slotted masses.
Zener Diode Unit
The Zener Diode Unit is a teaching tool made to highlight the features of a Zener diode. The unit, which is firmly fixed to a durable base, offers stability throughout presentations and investigations. Convenient connections to other components or devices are ensured by the provision of 4 mm color-coded connectors.
Zinc Rod
A zinc rod measuring 125 x 12 mm, complete with a terminal. This rod is a versatile component used in various electrochemical and scientific experiments. Its size and terminal attachment make it convenient for constructing and connecting different types of cells and setups, allowing for hands-on exploration of electrochemical principles and reactions.