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FOLDING MAGNIFIER
Home / Chemistry - General & Chemical Laboratory Apparatus

PM-503 FOLDING MAGNIFIER , SQUARE

  • In metal, chrome plated frame and bakelite handle Cat. No. 504.02 504.03 504.04 504.05 504.06 504.07 504.08 504.09 504.10 504.11 504.12 504.13 504.14 504.15 504.01 40 3.5 10 10 Dia. mm. Magn.x F.L. cm Dioptric Power+ 50 3.5 10 10 50 3 10 8 2.25 2.25 2.5 3.5 2.25 2.5 3.5 2.25 2.25 2.5 1.83 1.83 50 60 60 60 75 75 75 90 100 100 125 150 20 5 20 5 15 6 10 10 20 5 15 6 10 10 20 5 20 5 15 6 30 3 30 3
  • Comprises a borosilicate glass U tube with 225 mm. height, with each limb graduated 0-120 x 1 mm. Bend fitted with a filling tube and stopcock. Two platinum electrodes 14 mm. diameter can be adjusted at any position by locking

Metal frame with biconvex lens and square aperture.

SKU: PM-503 FOLDING MAGNIFIER , SQUARE Category: Chemistry - General & Chemical Laboratory Apparatus
  • In metal, chrome plated frame and bakelite handle Cat. No. 504.02 504.03 504.04 504.05 504.06 504.07 504.08 504.09 504.10 504.11 504.12 504.13 504.14 504.15 504.01 40 3.5 10 10 Dia. mm. Magn.x F.L. cm Dioptric Power+ 50 3.5 10 10 50 3 10 8 2.25 2.25 2.5 3.5 2.25 2.5 3.5 2.25 2.25 2.5 1.83 1.83 50 60 60 60 75 75 75 90 100 100 125 150 20 5 20 5 15 6 10 10 20 5 15 6 10 10 20 5 20 5 15 6 30 3 30 3
  • Comprises a borosilicate glass U tube with 225 mm. height, with each limb graduated 0-120 x 1 mm. Bend fitted with a filling tube and stopcock. Two platinum electrodes 14 mm. diameter can be adjusted at any position by locking
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  • A Van de Graaff generator is an Electrostatic generator which uses a moving belt to accumulate Electric charge on a hollow metal globe on the top of an insulated column, creating very high electric potentials. It produces very high voltage Direct current and  electricity at low current levels. Produces visible electric sparks. A Van de Graaff generator is an electrostatic generator capable of producing high voltages. It creates an imbalance of charges from the interaction between its roller, belt, and metal comb assembly. It initially allows charges to move along the insulated belt, then stores and distributes them uniformly on the sphere's surface. The metal sphere then discharges by creating sparks or crackling noises. Excellent Instrument for teaching Electrostatic to student Motorised model all working parts are clearly visible, The moving Rubber belt carries a positive charge to the top comb (usually a stretched wire) and then transferred to the large dome. A huge charge can be built on this dome by allowing the unit to run for a while, this charge will remain until it is discharged, either through air or by conduction to an earthed object i.e a metal sphere. Motor housed in a metal box, removable aluminium conducting sphere, Discharging sphere, sparks can be observed from a longer distance. MS-418 PVG VAN DE GRAFF GENERATOR, MOTOR DRIVEN
  • ENCLOSING TYPE  THERMOMETER ENCLOSING TYPE  THERMOMETER
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