Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 278
ons re-peated. The greatest value of iVis the one to be used. Edsons Time and Pressure Recording Gauge.—One of these instruments was presented and described at the meeting of theInstitute in January hist, and excited considerable interest. This instrument, in its present form, consists first of a… … spring, about 8 inches in diameter, firmly clamped down at its pe-riphery so as to form a steam tight joint. Into the chamber thusformed, the steam from the boiler is admitted, and raises the spring toa greater or less distance, according to the degree of pressure. To the upper side of this…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
