fluosilicate of soda or potash and then flying off in form of a vapor. We all know that this takes place to a greater or much easier and better would this process take place under the wgis of heat ? Thus the phenomenon appears to a greater NEGRETTI AND Z IMBRA'S SOLAR THERMOMETER., scientific american, 1874-10-03

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fluosilicate of soda or potash and then flying off in form of a vapor. We all know that this takes place to a greater or much easier and better would this process take place under the wgis of heat ? Thus the phenomenon appears to a greater NEGRETTI AND Z IMBRA'S SOLAR THERMOMETER., scientific american, 1874-10-03

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