Chapter I: Gutta Percha Patents, 174

First Patent by D. A. Brooman, fully described; Properties of
Gutta Percha; Artificial Fuels; Elastic Applications;
Applications in State of Solution; Patent for Improvements in
Boots, Shoes and Gaiters, 181; Description of Patent,
182–186; Patent by Charles Hancock, Improvements in the
Manufacture of Gutta Percha and its Application, 186:
Description of Process of Making and Applying Varnishes to
India Rubber Shoes, &c., 187; Method of Making Gutta Percha
light, porous and spongy, 190; Varnishes, 192; Parke’s
Improvements in Dyeing, 195; Hancock’s Patent for
Improvements in Preparation of Gutta Percha, and Application
to Manufacturing Purposes, 196–200; Re-Vulcanization, 200;
Lorimier’s Patent for Combining Gutta Percha and Caoutchouc
with other materials, 203; Compounds for Boots, Shoes, &c.;
Hancock’s Specification for Making Water Proof Shoes, &c.,
205; Claim for Making Shoes of Gutta Percha with other
materials, 208; Cartley’s Patent for Varnishes, 210; Burke
for Manufacture of Air-Proof and Water-Proof Fabrics, 211;
Hancock’s Patent for Gutta Percha Heel Tips, 213; Varnishes,
214; Gerard’s Patent for Dissolving India Rubber and Gutta
Percha, 217; Newton’s Patent Applicable to _Boots_, _Shoes_,
and _other coverings for the feet_, 219; N. S. Dodge’s
Improvements in Treating Vulcanized India Rubber and Gutta
Percha.