Cork: Its Origin and Industrial UsesStecher, Gilbert Erwin
Science
Cork: Its Origin and Industrial Uses
Stecher, Gilbert Erwin
Cork
In Evelyn’s time (1664) cork was much used by old persons for
linings to the soles of their shoes, whence the German name for it,
“Pantoffelholtz” or slipper wood. The Venetian dames, Evelyn says, used
it for their choppings or high-heeled shoes to make them appear taller
than nature intended they should be. The poor of Spain lay planks of
cork by their bedside to tread on instead of carpets. Sometimes they
line the inside of their houses, built with stone, with this bark, which
renders them very warm and corrects the moisture of the air. Loudon
relates that in the celebrated convent at Cintra, Portugal, several
articles of furniture are made of this tree. Virgin cork, or the first
bark of the tree, is now very much used for window flower boxes,
grottoes, etc., while the subsequent grades are used for small
architectural and geognostic models. Cork was formerly employed in
medicine even as far back as the time of Pliny, as he tells us that the
bark of the cork tree, pulverized and taken in warm water, arrests
hemorrhage at the mouth and nostrils, and the ashes of it taken in warm
wine are highly extolled as a cure for spitting blood (see Pliny, “Nat.
Hist.” b. 124). In modern time powdered cork has been applied as a
styptic and hung about the necks of nurses. It was thought to possess
the power of stopping the secretion of milk. Burnt cork mixed with sugar
of lead has been used as an application to piles. See Pereira’s “Materia
Medica.”
Ground cork and India rubber formed the basis of Kamptulicon, the soft
unresounding material which covered the floor of the reading rooms of
the British Museum.” In further describing the many uses to which cork
is applied, reference is made to the résumé of Mr. Good in “La Nature,”
which is incorporated with a few slight changes.
“The various applications of cork that we are now going to pass in
review are worthy of description, as each of such applications has its
_raison d’être_ in one or more of the physical or chemical properties of
cork bark. The manufacture of stoppers utilizes, in the first place, the
impermeability of the bark, and, in the second, the latter’s elasticity
and imputrescibility, the remarkable lightness playing no rôle therein.
Before entering upon a study of the industrial applications of cork, in
grouping them according to the various qualities of this product, we
must return to the “male” cork, derived from the first barking of the
tree. It has been said, because of its slight elasticity and numerous
fissures, this product has but little commercial value, and shall have
mentioned its principal application when we have stated that it is used
in the decoration of parks and gardens. An endeavor has been made, but
without success, to manufacture from it, mills for decorticating rice.
Public-domain text, read in full here on John Shaqi.
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