The Progress of Invention in the Nineteenth Century.
CHAPTER XXXIII.
LIQUID AIR.
Liquefaction of Gases by Northmore--1805, Faraday--1823, Bussy--1824, Thilorier--1834, and others. Liquefaction of Oxygen, Nitrogen and Air, by Pictet and Cailletet in 1877. Self-Intensification of Cold by Siemens in 1857, and Windhausen in 1870. Operations of Dewar, Wroblewski, and Olszewski. Self-Intensifying Processes of Solvay, Tripler, Lindé, Hampson, and Ostergren and Berger. Liquid Air Experiments and Uses.