our present information extends, was that by Dr. Papin, of Blois, France, about 1695.
His experime water-elevator.
It does not appear that Dr. Papin tried the direct pressure of a body of air uAir′--chamber for pumps.
This was used by Dr. Papin of France about 1695, but had been describedis instrument has been much improved by Hooke, Papin, Hawksbee, and Boyle.
Many varieties of strucat the proper times, as we see in Worcester's, Papin's, and Savery's engines.
The same plan was adheric pressure seems to have originated with Dr. Papin, of Blois, in France, about the end of the svived in the 130 years that intervened between Papin and Medhurst, who again urged the project ab impel the carriage.
In this he differed from Papin and Medhurst, who proposed a plenum in the reaopened in 1865.
This realizes the dreams of Papin and the hopes of Medhurst, nearly two hundred gasket of linen being used.
It is a form of Dr. Papin's digester, and should have a safety-valve.