![Transcription Center logo](/themes/custom/tc_theme/assets/image/logo.png)
This transcription has been completed. Contact us with corrections.
A Barometer & Thermometer both inclosed in a vessel & put into an exhausted receiver & rise with Heat Air converted into Fire. Barometer will not measure height of mountains. No pure Air, so all Experiments depending upon it as such are false. All Thermometers should be made when the Barometer stands at 30 inches.