Barometer Measuring Pressure of a Partially Evacuated Vessel

| View Cart ⇗ | Info

“The degree to which the air has been exhausted from a closed vessel in which there is a partial vacuum is measured by the height to which a mercurial column in a vertical tube, whose top is connected to the vessel, will rise under the pressure of the atmosphere.” —Hallock 1905

Source

V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905) 9:4

Downloads

TIFF (full resolution)

723×2400, 179.0 KiB

Large GIF

308×1024, 30.8 KiB

Medium GIF

192×640, 16.5 KiB

Small GIF

96×320, 6.5 KiB