Davy's Apparatus for Exposing Water
Humphy Davy's "apparatus for
exposing water to the action of ignited potash and charcoal out
of the contact of air." The components are labeled: "A, the tube
for water; B, the iron tube; C, the receiver for ammonia; D, the
pneumatic apparatus."
![[ENGRAVING]](davy544.gif)
From Humphry Davy, Collected Works, vol. V, plate 4.
