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.

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TO MAKE PARCHMENT GLUE.

Take one pound of parchment, and boil it in six quarts of water, till the quantity be reduced to one quart; strain off the fluid from the dregs, and then boil it again till it be of the consistence of glue.

The same may be done with glovers’ cuttings of leather, which make a colorless glue, if not burnt in the evaporation of water.