A Moveable Fire-Place.
B Cylindrical Boiler, to be placed on A.
C Cover for B.
D Extracting Cylinder, with a small one in its centre, fixed to the perfora, to be placed within B.
F F Coolers, one to pack within the other.
G Machine ready for use, the cover raised to show the internal.
In page 252, at the words some time, put a comma, instead of a period; and add, "after its temperature is sufficiently lowered, which must be effected by damping or extinguishing the fire."
ERRATA.—Page 252, note, for sachorometer, r. saccharometer. P. 253, 1st column, line 25, for fomenting r. fermenting.