t trom the ores, by of cleanliness; if lamp oil is dropped upon a carpet, it one continued process, in the manner described, is not makes a dingy spot, but coal oil, on the contrary, makes unreasonable, and whenever this is successfully attain- the carpet cleaner. Nearly all organic substances ab-… … graving is a side elevation of consequently the demand improved machinery recent- for it is being steadily en- ly patented by Mr. Bessemer, larged. for conducting his process, It is probable that many which has been _ illustra- substances will be derived common practice of running off and cooling…
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