Ambala, Haryana, India
GST : 06ARBPP6437E1ZV
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1.Consists of a mirror scale 12 cm. long and supports spring, a weight holder and slotted weights of 250 gms. capacity.
2.This complete apparatus has a 15 cm. adjustable mirror scale, to prevent parallax error, and is graduated in millimeters and mounted on sturdy 30 cm. support rod. A hook supporting a coiled spring with a mass hanger and indicator is attached to the rod. Supplied with slotted weight of 250 gm. capacity.
For demonstrating the principle of conservation of momentum and showing that momentum is a vector quantity having direction as well as magnitude. The apparatus comprises the following items.
1. A curved wooden runway and its highest point, having a groove down which a steel ball may be rolled.
2. An object sphere support. This is an adjustable device which attaches to the mounting plate of the runway and will support a ball either exactly opposite the end of the runway for head-on collision or slightly offset for oblique impacts.
3. A plumb-bob for making the plumb line.
4. Two spheres (steel ball bearing 19 mm. diameter.
The objective is to plot the input, output and transfer characteristics of a PNP or NPM transistors in common emitters & common base configuration.
The device consist of :
These meters have different ranges as mentioned:
a) 1stmeter 0-1V for measurement of base voltage (input) (VB)
b)2ndmeter 0-1/10V (double range) for measurement of collector voltage (output) (VC).
c) 3rdmeter 0-250A/25mA for measurement of base current. (IB)
4thmeter 0-25ma for measurement of collector Current (IC).
RST-158 COD Digester Apparatus
Body made out of thick mild steel finished with powder coating. Heating blocks made ofaluminium die casting. Temperature rage from ambient to 150, 200 deg. C. Designed with glass reaction vessels and air condensers. Supplied with stand to accommodated vessels. Temperature is controlled byDual Display Microprocessor PID DigitalTemperature Indicator cum Controller & 99 Hr Digital Timer.
Workable on 220 V AC 50 Hz Single Phase.
Capacity :
1) 15 Samples
2) 20 Samples
3) 25 Samples
Pair of glass plate, optically polished, one plane the other plano-convex mounted together in metal frame. Pressure between plates adjustable by three brass nickel plated screw
Solar and lunar eclipse apparatus, fitted on metal base. The earth with its axis inclined and always pointed the same direction revolving round the sun and the moon revolving round the earth.
Comprising two cast-iron uprights, height 18 cm. linked by two nickel plated rods supporting on expansion bar, length 38 cm. fixed to one upright and resting on a friction pointer placed at the other. With scale reading 0 to 90 deg. With one each aluminium, brass and iron expansion bars.
The apparatus consists of a fabricated transparent acrylic stand supporting three cells in the form of 50 ml glass beakers.
Electrodes are suspended into the cells, each having a low voltage lamp in series to indicate the current flowing. The three cells and lamps, as a group are connected in parallel and provided with a pair of 4 mm sockets for connection to the external supply. The lamps provided will allow operation on a supply of up to 12V D.C. Dimensions are 215mmx155mm x115mm width x depth x height.
To show that the level of liquid in communicating vassels in constant irrespective of the size or shape of the vessels. The apparatus comprises four glass tubes of different shapes and cross sectional area projecting vertically from a common horizontal tube. The tubes are mounted on a polished wooden base.
Cylindrical Copper rod about 300mm. length 25mm. diameter, one end containing a steam chamber connected to inlet and outlet tubes, other end of copper rod has cavity connected via thermometer pockets to water inlet and outlet tubes. Through two thermometers support tubes 75mm. apart are inserted in the rod for finding the temperature at two points. Fitted in teakwood polished case packed with felt with removable front, without thermometers.
Comprising strips of copper, iron, aluminium and brass fixed on wooden ring meeting in the centre, outer ends of the strips formed with small cups.
Thermal Conductivity of Metal Apparatus is available in Square & Round Shape.
Searles pattern. For investigating the torsional rigidity of roads of different materials and to demonstrate that the angle of twist of a given rod over a fixed length is proportional to the applies force. The apparatus consist of two parallel metal support rods with heavy cast metal legs at their end. One of the legs has ball bearing mounted pulley wheel at its outer side with its spindle carrying split collect shuck for holding one end of test rd while other leg. When loaded with masses through the nylon cord wound on the pulley wheel, twisting couple if applied to the test rod. Two aluminium scales, graduated 30o 0 - 30ox 1o, fixed on pillar support are mounted on the metal supports rods along its length. Also included are two pointers, which when clamped to the test torsion produced in the rod at that point. Supplied complete with two test rods, one each of brass and steel, nylon cord and hook for carrying masses, but without masses
Consisting of a metal rod, 500mm in length and 4.5mm diameter, enclosed in a well lagged, nickel plated brass tube with three tubules for steam, inlet, outlet and thermometer. The metal rod to be studied is supported in the steam jacket by detachable conical cups situated at each end of the tube. The apparatus is carried on a heavy guage channel base., at one end is micrometer screw reading to 0.01 mm for measuring the expansion, Supplied complete with copper, brass & iron rods but without thermometer.
Constructed from copper. It has funnel, an inner receiving vassel and an outer body all of copper and a glass measuring cylinder
Searle's Pattern. Spirit level mounted in two rectangular cast iron frame with one end resting on point of micrometer screw, fitted in one frame, the second end of spirit level pivoted in the second frame. The micrometer is provided with vertical scale 10 mm. on either sides of the zero and vernier reading 0.01 mm. Complete with ceiling bracket having two self-centering chucks and tension weight. Supplied in case.
To show that the pressure of liquids depends upon their height and the surface of bottom of the columns and not on the capacities of the vessels, with plastic/glass vessels of four different shapes mounted on leak proof metallic collars, all parts of brass and chrome plated
Wide bore glass tube closed at top is mounted on a scale 0 to 600 mm. with zero corresponding to the inside of the top end. Air is trapped by coloured oil in a metal pressure chamber fitted with a Bourdon Gauge and a riffled inlet tube with stopcock. With a plastic safety screen over the tube.
