Caption

Cross section of condensing machine or Watt's low pressure machine

Credit line

Photo12/Liszt Collection

Reference

LZT10A00_360

License type

Rights managed

Available size

52.1Mb (4.7Mb) / 18.0in x 11.3in / 5389 x 3381 (300dpi)

Keywords

condensing machine Watt's low pressure machine pressure technology mechanical invention engraving 1867 1868 1869 19th century engraving