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Dental Tools And Instruments Or Auxiliary Dental Instruments
(AREA)
Abstract
Adjustable pressure gauge characterized in that the pressure is measured by the recoil of a lance that is pressed against the swollen body the action of the springs resisting the retraction of said measuring lance is graduated by an externally manipulable screw thyme on which a movable base depends on the that said springs rest. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of barometers with adjustable scales, mutually for the indication of time and barometric pressure. (Machine-translation by Google Translate, not legally binding)