In order to obtain a maximum transformation of tings are necessary for dealing with diseased areas of current into radiant energy with a difference of poten- water vapor figure varies about as the carbonic acid. considerable dimensions. Besides, the large quantum As to the temperatures, they are… … four-fifths of the observed during the UVIOL LAMP WITH RHEOSTATS AND MEASURING INSTRUMENTS. UVIOL MERCURY LAMP CONSTRUCTED AT JENA. whole compass of night from 1 to 5 ultra-violet light which is transmitted for any consid- o'clock A. M., is found to be,48 liters per 100 cubic met- ultra-violet rays…
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