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BELL JAR WITH VACUUM PUMP HAND OPERATED HAND OPERATED (0073)
A complete self-contained apparatus suitable for vacuum physics experiments and applications requiring evacuated spaceTransparent jar and pump, both having unbreakable ABS body. Jar provides a robust chamber capable of withstanding full vacuum without danger of implosion or shattering and fitted with a vacuum gauge and vacuum release valve. A rubber gasket ring on the pump base ensures airtight seal with the jar. A manual exhaustion piston pump in the base provides quick and convenient evacuation of the jar. Note: The exposure or contact of the apparatus to organic solvents or vapours, or to other aggressive chemicals is to be totally avoided. The apparatus is non-autoclavable See Enlarge
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BELL JAR WITH VACUUM PUMP HAND OPERATED HAND OPERATED FITTED WITH ELECTRIC BELL (0073)
A complete self-contained apparatus suitable for vacuum physics experiments and applications requiring evacuated space. Transparent jar and pump, both having unbreakable ABS body. Jar provides a robust chamber capable of withstanding full vacuum without danger of implosion or shattering and fitted with a vacuum gauge and vacuum release valve. A rubber gasket ring on the pump base ensures airtight seal with the jar. A manual exhaustion piston pump in the base provides quick and convenient evacuation of the jar. Note: The exposure or contact of the apparatus to organic solvents or vapours, or to other aggressive chemicals is to be totally avoided. The apparatus is non-autoclavable See Enlarge
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BELL IN VACUUM (0074)
Bell fitted in clear acrylic bell jar instead of glass bell jar See Enlarge
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BELL IN VACUUM 8"X4" (0074)
Bell fitted in clear acrylic bell jar instead of glass bell jar See Enlarge
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BELL IN VACUUM 12"X8" (0074)
Bell fitted in clear acrylic bell jar instead of glass bell jar See Enlarge
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GUINEA AND FEATHER APPA'RATUS (0075)
Demonstrates that the objects fall at the same rate of acceleration in vacuum under the effect of gravity irrespective of their relative weights and sizes. Consists of a thick-walled glass tube fitted with rubber bungs at each end to seal the tube. One of the rubber bungs has a glass tube of about 8mm diameter fixed through hole in it that has rubber tubing with clip for connecting it to vacuum pump See Enlarge
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GUINEA AND FEATHER APPA'RATUS 600mm X 20mm (Length x Diameter) with Hoffman Clip (0075)
Demonstrates that the objects fall at the same rate of acceleration in vacuum under the effect of gravity irrespective of their relative weights and sizes. Consists of a thick-walled glass tube fitted with rubber bungs at each end to seal the tube. One of the rubber bungs has a glass tube of about 8mm diameter fixed through hole in it that has rubber tubing with clip for connecting it to vacuum pump See Enlarge
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MAGDEBURG HEMISPHERES BRASS (0076)
For demonstrating the huge forces that atmospheric pressure is capable of exerting. Comprises two brass hemispherical cups, each fitted with a handle. One of the cups has stop-cock with nozzle for connection to vacuum pump and for releasing vacuum. See Enlarge
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MAGDEBURG HEMISPHERES BRASS 62mm (0076)
For demonstrating the huge forces that atmospheric pressure is capable of exerting. Comprises two brass hemispherical cups, each fitted with a handle. One of the cups has stop-cock with nozzle for connection to vacuum pump and for releasing vacuum. See Enlarge
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MAGDEBURG HEMISPHERES BRASS 75mm (0076)
For demonstrating the huge forces that atmospheric pressure is capable of exerting. Comprises two brass hemispherical cups, each fitted with a handle. One of the cups has stop-cock with nozzle for connection to vacuum pump and for releasing vacuum. See Enlarge
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MAGDEBURG HEMISPHERES CAST IRON (0077)
For demonstrating the huge forces that atmospheric pressure is capable of exertingbut made of cast iron and finished in scratch resistant epoxy coating. (diameters) See Enlarge
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MAGDEBURG HEMISPHERES LARGE (0078)
Having bigger diameter about 100mm, nickel plated, with stop-cock and serrated nozzle for connection to vacuum pump and for releasing vacuum. Having bigger diameter about 100mm, nickel plated, with stop-cock and serrated nozzle for connection to vacuum pump and for releasing vacuum. See Enlarge
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MAGDEBURG HEMISPHERE ON STAND (0079)
For demonstrating the huge forces that atmospheric pressure is capable of exerting. The apparatus comprises two plated hemispherical cups, with carefully ground joint flanges for precise matching. One of the cup mounted on stand and has a ball valve stopcock underneath that has and riffled connector for connection to vacuum pump and for releasing vacuum. The upper cup has a removable ring-shaped t:landle at its top for pulling both the cups apart under evacuated condition See Enlarge
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MAGDEBURG HEMISPHERE DELUXE MODEL MOUNTED ON BRASS BASE EACH BRASS CUP OF ABOUT 50MM DIAMETER (0079)
For demonstrating the huge forces that atmospheric pressure is capable of exerting. The apparatus comprises two plated hemispherical cups, with carefully ground joint flanges for precise matching. One of the cup mounted on stand and has a ball valve stopcock underneath that has and riffled connector for connection to vacuum pump and for releasing vacuum. The upper cup has a removable ring-shaped t:landle at its top for pulling both the cups apart under evacuated condition See Enlarge
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Magdeburg Hemisphere Economical mounted on cast metal base with ball valve stopcock of hexagonal cross-section and plastic knob for opening and closing. Each brass cup is of about 75mm diameter (0079)
For demonstrating the huge forces that atmospheric pressure is capable of exerting. The apparatus comprises two plated hemispherical cups, with carefully ground joint flanges for precise matching. One of the cup mounted on stand and has a ball valve stopcock underneath that has and riffled connector for connection to vacuum pump and for releasing vacuum. The upper cup has a removable ring-shaped t:landle at its top for pulling both the cups apart under evacuated condition See Enlarge
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