Vacuum and Pressure Processes generally.
- Bréant’s.
- Bethell’s.
- Payne’s.
- Perin’s.
- Tissier’s.
Vacuum by Condensation of Steam.
- Tissier.
- Bréant.
- Payne.
- Renard Perin, 1848.
- Brochard and Watteau, 1847.
Separate Condenser.
- Tissier.
Employ Sulphate of Copper in closed vessels.
- Bethell’s Patent, 11th July, 1838.
- Tissier, 22nd October, 1844.
- Molin’s Paper, 1853.
- Payen’s Pamphlet.
- Légé and Fleury’s Pamphlet.
Current of Steam.
- Moll’s Patent, 19th January, 1835.
- Tissier’s ” 22nd October, 1844.
- Payne’s ” 14th Nov., 1846.
- Meyer d’Uslaw, 2nd January, 1851.
- Payen’s Pamphlet.