The Boot and Shoe Manufacturers' Assistant and Guide.: Containing a Brief History of the Trade. History of India-rubber and Gutta-percha, and Their Application to the Manufacture of Boots and Shoes. Full Instructions in the Art, With Diagrams and Scales, Etc., Etc. Vulcanization and Sulphurization, English and American Patents. With an Elaborate Treatise on Tanning.
History
The Boot and Shoe Manufacturers' Assistant and Guide.: Containing a Brief History of the Trade. History of India-rubber and Gutta-percha, and Their Application to the Manufacture of Boots and Shoes. Full Instructions in the Art, With Diagrams and Scales, Etc., Etc. Vulcanization and Sulphurization, English and American Patents. With an Elaborate Treatise on Tanning.
Footwear industry; Gutta-percha; Rubber; Tanning
After the skins were properly prepared, a strong solution of warm yellow
soap was made up, in which they were handled until cold; they were then
dried and went through the same process until the practical tradesman
saw that they were made into leather; when they were afterwards smoked
in the manner of the Indians. From these operations an excellent
buckskin was made, which through the drenching of rains and the frequent
immersions in the swamps and everglades, retained its pristine softness
and qualities. Thus, in the wilds of Florida, a scientific tradesman
applied his knowledge and art, in a manner for which many had reason to
be thankful. In such situations the mechanic rises far above the
philosopher.
NEW METHOD OF TANNING.
A process was discovered in Rochester, New York, in 1850, by which
leather could be tanned in the short space of two hours. This is a “fast
age,” and “wonders” are now every-day occurrences. Formerly it required
_fifteen months_ to properly tan and finish leather. The leather here
referred to, was tanned by the “Journeymen Shoemakers Association” of
Rochester.
If this discovery is all that it is stated to be (of which we have some
doubts), viz., to make leather _equal to the French_, in such a short
time, it must be one of the most valuable discoveries of the age. As the
process, however, is not laid down in black and white, every man is
justified in suspecting its reality. A new process, however has come
into our possession lately, which is said to tan leather better and in
less time than by the old process. We give it for what it is worth.
Those in the art can make experiments for themselves—the only way to
test its merits. Three liquors are made up, 1st. One made of 20 pounds
of alum, and 20 of the sulphate of potash, and ten of the muriate of
soda, all dissolved in warm water. 2d, 100 pounds of catechu, dissolved.
3d. 4 pounds of alum, 2 lbs of the muriate of soda, dissolved. For a
hundred calf skins in a vat of sufficient size, put one fifth of No. 1;
viz., 4 pounds of the alum and potash and 2 of the muriate of soda,
(common salt)—then add one-tenth of the No. 2 solution, and one fourth
of No. 3. With this mixed solution enough of water is put into the vat
to cover the 100 skins and the temperature is kept up so as the hand can
bear it well. Men with poles rounded at their ends stir the skins for
about one hour, when they are taken out. They are then placed in another
vat of the same kind of solution, and the same strength, and stirred
frequently for about three hours, and let stand till next morning. They
are then removed, and one fifth of No. 1 mixture, and one-fifth of No. 2
added, when the skins are returned to the vat, stirred frequently, and
dripped every day for five days, when all the liquors of the solutions
should be taken up, and about 20 pounds more of dissolved catechu is to
be added. The skins are to be tried frequently, and more catechu is to
Public-domain text, read in full here on John Shaqi.
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