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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

_Fifth._ I also manufacture boots, shoes, gaiters, and other like
articles, in whole or in part, of a certain other fabric which is
directed in the specification of the said Richard Archibald Brooman to
be formed by saturating a bat or fleece of cotton wool, or other fibrous
material, with a solution of gutta-percha, or a mixed solution of
gutta-percha and caoutchouc; preferring, however, for the purpose of
this part of my invention, such bats or fleeces, as have been saturated
with a solution containing in it a portion more or less of sulphur and
of some coloring matter.

_Sixth._ I make boots and shoes, and the other articles aforesaid, of
gutta-percha, or of a mixture of gutta-percha and caoutchouc, either
sulphurized or not sulphurized, all in one piece, without sewing or
stitching, as usual, by casting the same in cored moulds, made of the
required form of the boot, shoe or other article. I either fill the
mould with the material in a state of hot solution, and leave it to
cool, or I fill it with the material in a granular state; heat the mould
till its contents become in a pulpy state, and then set it to cool. I
sometimes use a single matrix only, and cause the material in a sheet or
in a plastic state, to assume the state of that matrix by forcing it
into the recesses thereof, by means of the pressure of water or air, and
sometimes in order to give greater springiness to the boot or shoe, or
other article, instead of casting it all in one piece, I cast it in two
or more pieces; as for example, I cast the front part in one piece, and
the heel or back part in another piece, and unite the two parts by means
of an interposed piece or pieces of leather or of gutta-percha in the
sheet, and sulphurized state, or some other like flexible material.

_Seventh._ Instead of uniting the different parts of which boots and
shoes, and other articles aforesaid are made, by stitching or sewing, as
usual, whenever any two of these parts, or any one or two parts consists
of gutta-percha, or of a mixture of gutta-percha and caoutchouc in any
of the sheet states aforesaid, I pass a hot iron over the joint or
joints, which causes the two surfaces to adhere firmly together.

Public-domain text, read in full here on John Shaqi.

Opening the text

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

_Fifth._ I also manufacture boots, shoes, gaiters, and other like
articles, in whole or in part, of a certain other fabric which is
directed in the specification of the said Richard Archibald Brooman to
be formed by saturating a bat or fleece of cotton wool, or other fibrous
material, with a solution of gutta-percha, or a mixed solution of
gutta-percha and caoutchouc; preferring, however, for the purpose of
this part of my invention, such bats or fleeces, as have been saturated
with a solution containing in it a portion more or less of sulphur and
of some coloring matter.

_Sixth._ I make boots and shoes, and the other articles aforesaid, of
gutta-percha, or of a mixture of gutta-percha and caoutchouc, either
sulphurized or not sulphurized, all in one piece, without sewing or
stitching, as usual, by casting the same in cored moulds, made of the
required form of the boot, shoe or other article. I either fill the
mould with the material in a state of hot solution, and leave it to
cool, or I fill it with the material in a granular state; heat the mould
till its contents become in a pulpy state, and then set it to cool. I
sometimes use a single matrix only, and cause the material in a sheet or
in a plastic state, to assume the state of that matrix by forcing it
into the recesses thereof, by means of the pressure of water or air, and
sometimes in order to give greater springiness to the boot or shoe, or
other article, instead of casting it all in one piece, I cast it in two
or more pieces; as for example, I cast the front part in one piece, and
the heel or back part in another piece, and unite the two parts by means
of an interposed piece or pieces of leather or of gutta-percha in the
sheet, and sulphurized state, or some other like flexible material.

_Seventh._ Instead of uniting the different parts of which boots and
shoes, and other articles aforesaid are made, by stitching or sewing, as
usual, whenever any two of these parts, or any one or two parts consists
of gutta-percha, or of a mixture of gutta-percha and caoutchouc in any
of the sheet states aforesaid, I pass a hot iron over the joint or
joints, which causes the two surfaces to adhere firmly together.

Public-domain text, read in full here on John Shaqi.

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