in and enamel, is prepared in Italy by melted together over a slow fire. manufactory of Messrs. Keyser & Co., 398 ment. asecret process. Dr. Ure gives the following Broadway, N. Y. More information about rights and furna- Atmospheric Reversing Draught Furnace. recipe:—12 parts of metallic antimony… … it reaches the top, where if expands’ and cre- ‘The annexed engraving is a perspective view ates a’partial! vacuum, thus combining ‘the el- of an improved grinding mill, invented by ement of an artificial draft without the em- Listman & Lawmaster, Syracuse, N. Y. | ployment of any mechanical force…
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