An inexpensive Digital Thermometer The precise measurement of temperature is often problem not so much because of the lack of a well-calihrak thermometer but because of the inconvenient physical a rangement of the system on which the measurement is to I made. We have found this to he esoeciallv true when trvine 1 ~~~mmitur the temperature of the reactant solution or t h e m < stated cell holder w t h m the chamher of n UV-Vix spectn ph
