erations of nature; as the
roch, commonly called rock alum, from Rocha, in Syria, whence it is
brought.
_Spontaneous_, unassisted by art.
_Orientals_, inhabitants of the Eastern parts of the world.
What is Ink?
A liquor used in writing on paper or parchment, made of copperas,
galls; and gum arabic[6] mixed together. There are likewise several
plants that may serve for the making of ink, as oak-bark, red roses,
log-wood, &c. It is also made from an infusion of oak galls and iron
filings: there are also many other ways, as well as materials,
employed in the making of this useful article. Ink is the name applied
to all liquids used in writing, of whatever color they may be, as red,
blue, &c., though black is the most used for common purposes. The ink
of the ancients seems to have been of a thick, oily nature, unlike the
modern ink; it consisted of nothing more than a species of soot, or
ivory black, mixed with one fourth of gum.
[Footnote 6: See Chapter XI.]
What is Copperas?
A kind of vitriol. Copperas is the name given to green vitriol, which
is a preparation from iron. The blue vitriol is a sulphate of copper,
and the white vitriol a sulphate of zinc.
For what is Vitriol used?
In the making of glass, to color it; in many arts and manufactures;
and in medicine.
What are Galls?
Excrescences formed on a kind of oak tree in certain warm climates;
perforations are made by an insect into the bark of the tree, whence
issues a liquid which hardens by exposure. They are used in dyeing,
making ink, and other compositions. There are two sorts of oak galls
in our shops, brought from the Levant, and the southern parts of
Europe.
What does the word Levant signify?
A country to the eastward. It is applied to the countries of Turkey,
Greece, Asia Minor, Syria, Egypt, &c., which are washed by the eastern
part of the Mediterranean.
Is the Ink used in Printing the same as writing Ink?
No; it is more of the nature of paint, being thicker and more
glutinous: it chiefly consists of a mixture of oil and lamp-black, or
some other ingredient, according to the color required; and is
remarkable for the ease with which it adheres to paper that is
moistened.
_Glutinous_, gummy, resembling glue.
What is Indian, or Chinese Ink?
An admirable composition, not liquid like our ink, but solid, and made
into cakes somewhat like the mineral colors we use in painting. It is
made into a
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