Madame Hanska's estate was the only one boasting of a Carcel lamp and a hospital.
"Balzac" by Frederick Lawton
The Carcel lamp, which appeared in 1800, consisted of a double piston operated by clockwork.
"Artificial Light" by M. Luckiesh
The Carcel or pump lamp, invented by B. G. Carcel in 1800, is still to some extent used in France.
"Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6" by Various