r a varnish of gum elastic. In 1831, George H. tration. This is necessary, as the rubber sheets must Before going to the washing machine, or cracker, which Richards, of Washington, D. C., received a patent for be kept apart, as they adhere to each other if brought is shown in the cut at the top of… … and thinner. 1875, rebuilt in 1876, and in 1882 the Melrose factory was The grinding machines have a capacity of about 1,000 constructed. The number of employes in each is about pounds a day, and will handle from 10,000 to 14,000 the same, but in the Malden factory, which is known as pounds of fine…
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