
Catalogue - New Products Section |
| Model B-20 microscope | |||||
| LED illumiated microscope with intensity contol. x4, x10 and x40 objectives. Unique movable stage. | ![]() |
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B400200 £99.00 Each. |
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| Space Tube | |||||
| This latest apparatus provides a foolproof alternative to the traditional “Bell in a Bell Jar” demonstration. It comprises a high amplitude, battery powered piezo sounder enclosed within a clear acrylic tube. The sounder is controlled by switch and has a red LED attached to show that it is on. By inserting the stopper in one end and evacuating the tube using a standard laboratory vacuum pump, the air can be removed and the effect of sound being unable to pass through a vacuum clearly demonstrated. Available from February 2008 | ![]() |
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P308460 £41.70 Each. |
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