endar for the year, and as a receptacle for letters. the water was allowed to run too low in the boiler.” The letter file is simply an elastic band, A; the pen- It was patented on July 11, 1865, by Thomas Shaw, holder consists of a block, B, perforated with holes, and is manufactured by Philip S.… … respondents to the advertising columns of our paper. Refining Petroleum. For purifying and refining crude paraffine, some new processes have been proposed, viz.:—Melt the article and stir in 10 per cent of dry powdered chloride given by a steam whistle, and the method by which of lime (bleaching…
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