![](http://www.alamy.com/thumbs/6/6E6D492A-B572-40A8-A5F1-0603C787EA3D/J0FT80.jpg)
Pressure testing of a vacuum by weight, from a book plate engraving
Pressure testing of a vacuum by weight, from a book plate engraving
Size: 3767px × 5028px
Photo credit: © IMechE / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: &, 1687, book, curiosa, engineering, engraving, history, industrial, machinery, plate, pressure, science, testing, testingtechnica, vacuum, weight