Evacuated glass tubes, about 20cm long, straight form, filled with different types of gases or vapours to study their respective discharge. The glass tube has metal cap electrodes at both the ends for connecting to high voltage supply and about 50mm long fine capillary in the middle for showing the concentrated effect of discharge. Different gases or vapours available in discharge tubes are:
* Carbon di oxide
		Modern Physics, Physics
		
	
	
			Spectrum Tubes
Catalogue No: 1130080/5
Evacuated glass tubes, about 20cm long, straight form, filled with different types of gases or vapours to study their respective discharge. The glass tube has metal cap electrodes at both the ends for connecting to high voltage supply and about 50mm long fine capillary in the middle for showing the concentrated effect of discharge. Different gases or vapours available in discharge tubes are:
* Carbon di oxide
Pack of (Pcs): 1
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