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FM-2322 Communicating Vessel On Stand Comprises four glass tubes, each of different cross-sectional size and shape, connected together at the boom through a common horizontal glass tube, sealed to a manifold and mounted on a stand. Demonstrates that the liquid level in communicating vessels remain the same irrespective of the shapes a..

FM-2331 Communicating Vessel On Stand Comprises four glass tubes, each of different cross-sectional size and shape, connected together at the boom through a common horizontal glass tube, sealed to a manifold and mounted on a stand. Demonstrates that the liquid level in communicating vessels remain the same irrespective of the shapes and s..

Demonstrates the dependence of density of a liquid on the temperature. Comprises a hollow sphere, with a sealed mouth, carefully adjusted to float in cold water and sink in the hot water...

FM-2340 Liquid Level Apparatus On BaseEconomical version. Similar to Cat No.FM-2331, but mounted vertically on a base. FM-2340/1 Liquid Level Apparatus, on Plastic Base FM-2340/2 Liquid Level Apparatus, Glass Part only..

FM-2349 Pascal's Law ApparatusA simple apparatus to demonstrate the Pascal's Law that pressure exerted by a liquid in an enclosed space is equal in all directions. Comprises a spherical glass bulb with its neck supported horizontally and is connected to a vertically mounted 50mL plastic syringe through a flexible rubber tubing. The holes in ..

FM-2358 Pascal's Law Apparatus (Weinhold's)Demonstrates that the pressure of liquids varies with the depth of the liquid column and is independent of the shape or size of the vessel. Comprising a base with an aperture on the underside and on top of which may be attached any one of the sets of 4 glass vases having different shapes/sizes b..

FM-2440 Siphon Barometer A low cost, simple barometer yet having sufficient accuracy. The whole column of mercury is clearly visible in the glass tube. The barometer scale is graduated in both English and Metric systems. Vertical sliding zero-point adjustment is carried by a screw clamp attached to the glass tube. Complete apparatus ..

FM-2449 Siphon Barometer (Toricelli)Wall model, barometer mounted on the unbreakable, non-bendable plastic baseboard of size 93×10cm (Height × Width). Consists of a clear glass Toricelli tube with a U-bend at the lower end leading to the mercury reservoir. The reservoir has a screw cap at the top, the thread's gap being sufficient to..

FM-2313  Spouting CylinderFor demonstrating the increase in pressure of liquid with the increase in depth or liquid column. Sturdy sheet metal construction with heavy base having a scratch-resistant epoxy coating. All orifices made of brass pipe fied in the cylinder with leak-proof joints.FM-2313 Spouting Cylinder..

FM-2304  Spouting Cylinder, EconomicalFor demonstrating the increase in pressure of liquid with the increase in depth or liquid column. Made of stout tin sheet, well painted, having three orifices of the same size but at different heights down one side.FM-2304 Spouting Cylinder, Painted Blue Acrylic..

FM-3613 'whityel Bay' Smoke CellDemonstrates the 'Brownian Moon' or random moon of smoke particles. A specially designed plastic box has a sliding lid at the top and contains a glass smoke cell, a cylindrical condensing lens, and a low voltage festoon bulb. All components pre-adjusted so as to focus the light of the festoon bulb to the sm..

FM-3513 Bell In VacuumDemonstrates that sound waves need a material medium for propagation and cannot travel through a vacuum. For use on pump plates with a diameter at least 15cm. It consists of an electric Bell operating on 4-6 volts AC/DC, suspended inside the bell jar through a pair of thick metal wires from a rubber bung that seals the..

FM-3467 Boyle's Law / Charle's Law Apparatus, CombinedAlso called Jolly's Apparatus. It demonstrates the relationship between pressure and temperature of a given mass of gas at a fixed volume, i.e., Charle's Law. Comprising Jolly's Air bulb connected to a glass mercury reservoir through flexible rubber tubing. The complete apparatus moun..

FM-3440 Boyle's Law Apparatus, Low PressureDesigned for Boyle's Law demonstration in a wide pressure ranges to a group of students, results can be observed even from a distance. The apparatus comprises a thick-walled, wide-bore glass tube mounted vertically in front of a scale graduated 0 to 65cm3, with the closed end of the tube at the to..

FM-3413 Boyle's Law-Marriot (Eco.)An economical (eco.) version gives better and accurate quantitative results for the pressure and volume at a constant temperature. A 50ml plastic syringe is used for changing the volume and a pressure gauge is connected with the syringe via. connecting the tube to measure the pressure. The whole assembly is mo..