 ... small balls. The mouth of the pot being stopped up, it is then put into the furnace, and as soon as the materials have sunk, more of the same mixture must be put in, till the pot is filled with a melted vitreous substance, and a strong fire must be...  The Edinburgh Journal of Science - Pàgina 3391826Visualització completa - Sobre aquest llibre
 | 1826 - 566 pàgines
...substance. A strong fire must be continued, in order to obtain a complete fusion in as little time as possible. When the fumes diminish, small portions must be taken out at different times, to ascertain whether the glass be sufficiently refined, which generally happens... | |
 | William Newton, Charles Frederick Partington - 1825 - 442 pàgines
...substance. A strongfire must then be continued, in order to obtain a complete fusion in as little time as possible. When the fumes diminish small portions must be taken out at different times, to ascertain whether the glass be sufficiently refined, which generally becomes... | |
 | 1826 - 434 pàgines
...On a new method of manufacturing Glass. By M. LEGNAY. Take 100 parts of dried sulphate of soda, 65 6 parts of silica, 9340 of lime which has been exposed...been given : 1. Well dried Muriate of Soda, - - 100 parts. Silica, .... 123 Lime, - ... '92 This will be sufficiently refined in 16 hours. 2. Dried Muriate... | |
 | 1826 - 726 pàgines
...«ubstance. A ttrong flre must be continued in order to obtain a complete fusion in as little time as possible. When the fumes diminish small portions must be taken out at different times to ascertain whether the glass be .sufficiently refined, which generally happens... | |
 | Perry Fairfax Nursey - 1827 - 588 pàgines
...substance. A strong fire must be continued, in order to obtain a complete fusion in as little time as possible. When the fumes diminish, small portions must be taken out at different times, to ascertain whether the glass be sufficiently refined, which generally happens... | |
 | 1827 - 600 pàgines
...substance. A strong; fire must be continued, in order to obtain a complete fusion in as little time as possible. When the fumes diminish, small portions must be taken out at different times, to ascertain whether the glass be sufficiently refined, which generally happens... | |
 | 1826 - 418 pàgines
...Royal Asiatic Society, vol. ip 276. 12. On a new method of manufacturing Glass. By M. LEGNAY. Take 100 parts of dried sulphate of soda, 656 parts of silica,...been given : 1. Well dried Muriate of Soda, - - 100 parts. Silica, .... 123 Lime, .... 02 This will be sufficiently refined in 16 hours. 2. Dried Muriate... | |
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