Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 25
thetube e, this movement of the cap may be communicated to the index-needle, which will thus registerthe variations in the columnar pressure. It is stated that the thermal changes of the atmosphere dis-turbed the action of the instrument, and eventually caused M. Conte to discard it as useless. The…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.