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.