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BAROMETER , ANEROID,DEMONSTRATION
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FULLY ENCLOSED IN A TRANSPARENT SYNTHETIC CASE FOR DEMONSTRATION. 100 MM DIA ,READS FROM 28 TO 31 INCHES i.e. 940 TO 1040 MILLIBARS.AIR TIGHT SEALED ALL ROUND ,A PRESSURE RUBBER BULB IS PROVIDED TO FORCE THE MOVEMENTS . FOR EDUCATIONAL DEMONSTRATION. |
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