Were not books once made of Bark?

Yes, the ancients wrote their books on the barks of many trees, as on those of the ash and the lime tree, &c.

Which part did they use?

Not the exterior or outer bark, but the inner and finer, which is of so durable a texture, that there are manuscripts written on it which are still extant, though more than a thousand years old.

Is it not also used in Manure?

Yes, especially that of the oak; but the best oak bark is used in tanning.

What is Cork?

The thick, spongy, external bark of the Cork Tree, a species of oak. There are two varieties of this tree, the broad-leaved and the narrow: it is an evergreen, and grows to the height of thirty feet. The Cork Tree attains to a very great age.

Where is the Tree found?

In Spain, Italy, France, and many other countries. The true cork is the produce of the broad-leaved tree.