Charles Law Apparatus With a glass U tube with a bulb & tap at the upper end of one limb, other limb open. From the bottom of the U is an outlet tube which passes through a bung & terminates into a tap. The bulb has a capacity of 7 cm³ & the stem beneath is graduated 3 x 0.1 cm³ allowing for expansion over a range of 100ºC. The apparatus can be supported by a single clamp & only 20 cm³ of mercury is required.

Balance A 4 beam balance with a suspended pan. Weighing capacity 311g.Sensitivity 0.01g. Height of stirrup approx 190mm. Beams notched.Four beams each provided with a slider,and graduated 0-200g x 100g, 0-100g x 10g, 0-10g x 1 g and 0-1g x 10mg respectively

Ripple Tank A wooden framed tray with sloping position inside to minimise unwanted reflection from the sides of the tank; with perspex plastic base & 4 detachable legs. Size of the tray 650 x 520 x 55 mm. Support rod with ‘G’ clamps are provided for using to carry waves generating system. Four metal barriers ( reflectors ) consisting of a pair of straight barriers 150 x 25 mm chord barrier of 215 mm chord length, 25 mm high & a short straight barrier. Ripples are produced by a small 1.5 to 4.5 V DC electric motor mounted on a 330 mm wooden bar having a row of holes to mount sphe

Van de Graff Electrostatic Generator Van De Graff Generator Hand driven, mounted on a wooden base. The discharge sphere is supported on a pivoted arm, with a handle for easy adjustment. For connecting accessories, a 4 mm socket is provided at the top of the large sphere, & a 4mm earth socket is drilled in the handwheel pillar base. Spark of approx. 50 mm in length is easily obtained. Van De Graff Generator, Motor Driven The low voltage powered model is designed for operation on a 3 to 5 V DC supply capable of providing in a current of 1.5 amps. Power input is via a

Student Microscope Extra tough microscopes for practical in laboratories and educational institutes. Their superlative quality is enhanced by all pressure Aluminium die cast body. an intermediate level microscope. It is used for most advanced work in schools. Tube Lenght: 160mm Magnifications: 20x, 40x, 50x, 100x, 200x, 400x or 450x. Stand: Robust stand inclinable through 90 degree. coarse and fine focus with variable stop.Plano-Concave mirror and gimble. 300mm high.Can be fitted with a mechanical. Stage: With wooden box having lock & key. Eye Piece: 5xHY, 10xWF or (15x optional) Obej