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Spectrum Discharge Tubes Fitted with Spectroscopically pure sample of gases.Straight form,with apiece of fine capillary 50 mm long approx in the middle.Total lenght of tube is 200 mm,Gases such as Ammonia,neon,argon,krypton,carbon dioxide and monoxide,helium,nitrogen,oxygen,sulphur,mercury vapours,deuterium and many more.Stand also availbe at extra cost on demand. Geissler tubes,Vaccum tubes also available in ready stock.
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