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 DEMONSTRATION MANOMETER

 

For measuring the pressure of gases. Suitable for moderate pressures.

Consists of a borosilicate glass U-tube, diameter 25mm and 50cm high, open at both ends. Has one riffled arm for easy connection to rubber tubing. Mounted on a wooden board fixed on a wooden stand. A metric scale is fitted between the arms of the tube. It is recommended to use colored water for greater visibility in a lecture hall.

Cat. No.

3540-00


SPARE TUBE

Cat. No.

3540-11


 OPEN MANOMETER

 

A multiple-use manometer for accurate measurement of gas pressure.

Consists of a borosilicate glass manometer tube with a 50cm arm having funnel top and a 26cm arm with riffle for easy connection to rubber tubing. Mounted on a wooden board fixed over a wooden stand.

Cat. No.

3542-00


 PRESSURE SYRINGE (EQUAL TRANSMISSION OF FLUID PRESSURE APPARATUS)

 

Demonstrates that liquid pressure is transmitted equally in all directions.

Consists of a borosilicate glass bulb, of 50mm diameter with holes, fitted with a piston for compressing liquids. total height about 250mm.

Cat. No.

3544-00


 BOYLES LAW APPARATUS

 

For obtaining precise readings of volume of a gas for a range of pressures.

The apparatus consists of two borosilicate glass tubes, closed at the top and joined by rubber pressure tubing at the lower open ends. Both tubes are mounted on a sliding bracket which can be locked at any position on a two-rod frame, fitted on a wooden board. A meter stick graduated from 0-100cm x 1mm and figured every centimeter on both sides is fixed in the centre of the board. Provided with enamelled finished cast base with levelling screws. Supplied without mercury.

Cat. No.

3548-00


 GUINEA AND FEATHER APPARATUS (FREE FALL IN VACUUM APPARATUS)

 

For demonstrating that heavy or light objects fall at the same rate in a vacuum.

Made of a transparent tube (d x h), 100cm x 37mm, with rubber end caps, one of which has a nozzle and stopcock for connecting to a vacuum pump (not included). Provided with a simulated coin and a feather.

Cat. No.

3550-00


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