Show records millionth degree temperature change 77 V Z J V chemists at northwestern sity evanston ill III have invented an instrument instrument that will measure temperature changes down to a millionth of a degree tills this micro cali meter can measure the amount of heat produced when sugar dissolves in water the temperature changes are recorded on a scale so enlarged that one degree would equal a mile photograph shows dr hugh pickard at the recording chart as professor frank gucker studies the scaled vessels used in an experiment the other inventor is dr ralph planck |