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-3558 Bell Jar With Vacuum Pump, Hand OperatedA complete self-contained apparatus is suitable for vacuum physics experiments and applications requiring evacuated space. Transparent jar and pump, both having an unbreakable ABS body. Jar provides a robust chamber capable of withstanding full vacuum without danger of implosion or shattering and f..

FM-2367 Bernoulli's Tube ApparatusTo demonstrate the effect of Bernoulli's a theorem by studying variation in the pressure and speed of flow of an incompressible fluid through a tube with respect to the tube bore or cross-section. Comprises a Bernoulli's tube, with central constricted portion, a constant bore gradient tube, 6 lengths glas..

FM-3449 Bourdon GaugeFor the measurement of actual gas pressure, and not gauge pressure. Comprises of a circular gauge about 100mm diameter. The dial has dual scale reading 0 to 50 Lbs/in2 and 0 to 3.5kg/cm2 pressure and the case has transparent perspex back to clearly observe the working of the gauge mechanism. A riffled tubule present ..

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-3476 Boyle's Law / Charle's Law Apparatus, Combined, On Aluminium Extrusion For demonstrating 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 mounted ..

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-3385 Boyle's Law Apparatus, Aluminium ExtrusionSimilar to Cat No. FM-3367 in operation, but having bottom zero scales fixed to a specially designed aluminum extrusion having the rectangular cross-section in place of a wooden back-plate. Sliding brackets with both the glass tubes sliding vertically on the slot on either side of extrusio..

FM-3422 Boyle's Law Apparatus, Aluminium ExtrusionAluminum extrusion support pillar with a scale (0-60)cm graduated at every .5 cm step to analyze the oil level in the glass tube of length 60 cm fitted on support pillar. A pressure gauge with dual-range dial (0-4 kg/cm2 /0-56 Psi) fitted on oil chamber and connected with glass tube via a..

FM-3367 Boyle's Law Apparatus, Low PressureDemonstrates the relationship between pressure and volume of a given mass of gas at a fixed temperature, i.e., Boyle's Law. Consists of two glass tubes – one having both ends open and the other having one end closed. Both the tubes are mounted on vertical support rods with the help of sliding bracke..

FM-3403 Boyle's Law Glass TubesGraduated tube, with stopcock on one end and another end open for attaching rubber tubing. Made from borosilicate glass. FM-3403 Boyle's Law Burette..

FM-3394 Boyle's Law Glass TubesSpare set of 2 tubes, one having both ends open and the other having one end closed, made from borosilicate glass FM-3394/1 Boyle's Law Glass Tubes FM-3394/2 Boyle's Law Glass Tubes, with one a tube having a stopcock in place of closed-end...

FM-3358 Boyle's Law, Simple FormA simple and economical apparatus for demonstration of Boyle's law to a fair degree of approximation. It consists of a graduated plastic syringe mounted on wooden block and a lubricated piston of the syringe mounted to another wooden platform that is capable of holding various weights. When loaded with di..

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..

FM-3431 Boyle's Mariotte LawA smaller more economical version gives better and accurate quantitative results for the Pressure / Volume relationship of air at a constant temperature. A graduated (0-300) cm3 cylinder with a closely fitting piston is connected to a pressure gauge by a narrow tube to minimize the dead volume is fitted on two side su..