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.

by Unknown

One hundred and thirteenth, to Nathaniel Hayward, Colchester, Ct., April 15, 1856. For improvement in the manufacture of India-rubber.

One hundred and fourteenth, to Nathaniel Hayward, Colchester, Ct., May 6, 1856. For process of preparing elastic India-rubber cloth.

Claim.—The producing an elastic fabric of uniform strength by uniting a sheet of rubber with sheets of cloth thinly coated on one side with a vulcanized compound of rubber; the sheet of rubber before it is united with the sheets of cloth being in the modes set forth so prepared that the central part of it is completely vulcanized, while the surfaces are not.

One hundred and fifteenth, to A. D. Puffer, Somerville, Mass., May 20, 1856. For improvement in lining metal pipes with gutta-percha.

One hundred and sixteenth, to James Reynolds, New York, June 16, 1856. For improvement in Mandrels for making gutta-percha tubing.

One hundred and seventeenth, to Austin G. Day, Seymour, Ct., June 10, 1856. For improvement in cleaning India-rubber.

One hundred and eighteenth, to James Reynolds, New York, June 10, 1856. For improvement in feed apparatus for working gutta-percha.

One hundred and nineteenth, to James Reynolds, New York, July 29, 1856. For improvement in gutta-percha apparatus for covering wire.

One hundred and twentieth, to William F. Shaw, Boston, Mass., August 12, 1856. For improvement in treating India-rubber.

One hundred and twenty-first, to Jacob H. Howell, Ansonia, Ct., Oct. 21, 1856. For improvement in making India-rubber hose.