Put a drop of strong tea, either green or bohea, but chiefly the former,
on the blade of a knife, though it is not corrosive, in the same manner
as vitriol, yet there appears to be a corrosive quality in it, very
different from that of fruit, which stains the knife."

He afterwards quotes Paulli, to prove, that tea is a "desiccative, and
ought not to be used after the fortieth year." I have, then, long
exceeded the limits of permission, but I comfort myself, that all the
enemies of tea cannot be in the right. If tea be a desiccative,
according to Paulli, it cannot weaken the fibres, as our author
imagines; if it be emetick, it must constringe the stomach, rather than
relax it.

The formidable quality of tinging the knife, it has in common with
acorns, the bark, and leaves of oak, and every astringent bark or leaf:
the copperas, which is given to the tea, is really in the knife. Ink may
be made of any ferruginous matter, and astringent vegetable, as it is
generally made of galls and copperas.

From tea, the writer digresses to spirituous liquors, about which he
will have no controversy with the Literary Magazine; we shall,
therefore, insert almost his whole letter, and add to it one testimony,
that the mischiefs arising, on every side, from this compendious mode of
drunkenness, are enormous and insupportable; equally to be found among
the great and the mean; filling palaces with disquiet, and distraction,
harder to be borne, as it cannot be mentioned; and overwhelming
multitudes with incurable diseases, and unpitied poverty.

"Though tea and gin have spread their baneful influence over this
island, and his majesty's other dominions, yet, you may be well assured,