 | 1854 - 800 pagina’s
...the charcoal fires which were then roasting the teas. The object of this wai to soften it in order that it might be readily pounded into a very fine powder, in the same manuer as the Prussian blne had been. The gypsum, having been taken ont of the fire after a certain... | |
 | 1852 - 536 pagina’s
...the charcoal fires which were then roasting the teas. The object of this was to soften it, in order that it might be readily pounded into a very fine...readily crumbled down and was reduced to powder in the moitar. These two substances, having been thus prepared, were then mixed together in the proportion... | |
 | 1852 - 516 pagina’s
...ffc#i pbject.of this was to soften it, in order that it might he readily pounded ,ipta.a |yery .finffv powder, in the same manner as the Prussian blue had...having been taken out of the fire after a certain tihi6 had elapsed, readily; crumbled down and was reduced to powder in the' mortar!' These two ?ub-,,... | |
 | 1854 - 798 pagina’s
...the charcoal firee which were then roasting the teas. The object of this was to soften it in order that it might be readily pounded into a very fine...the same manner as the Prussian blue had been. The fypsum, having been taken out of the re after a certain time had elapsed, readily crumbled down and... | |
 | 1855 - 626 pagina’s
...the charcoal fires which were then roasting the teas. The object of this was to soften it, in order that it might be readily pounded into a very fine powder, in the same manner as the Prussian-blue had been. The gypsum, having been taken out of the fire after a certain time had elapsed,... | |
 | 1855 - 624 pagina’s
...the charcoal fires which were then roasting the teas. The object of this was to soften it, in order that it might be readily pounded into a very fine powder, in the same manner as the Prussian-blue had been. The gypsum, having been taken out of the fire after a certain time had elapsed,... | |
 | John Holmes Agnew, Walter Hilliard Bidwell - 1855 - 590 pagina’s
...fires which were then roasting the teas. The object of this was to soften it, in order that it mipht be readily pounded into a very fine powder, in the same manner as the Prussian-blue had been. The gypsum, having boon taken out of the fire after a certain time had elapsed,... | |
 | 1856 - 778 pagina’s
...the charcoal fires which were then roasting the teas. The object of this was to soften it, in order that it might be readily pounded into a very fine powder, in the same manner as the Prussian-blue had been. The gypsum, having been taken out of the fire after a certain time had elapsed,... | |
 | Andrew Wynter - 1860 - 554 pagina’s
...charcoal fires which were then roasting the teas. The object of this •was to soften it, in order that it might be readily pounded into a very fine powder, in the same manner as the Prussian-blue had been. The gypsum, having been taken out of the fire after a certain time had elapsed,... | |
 | 1855 - 1504 pagina’s
...the charcoal fires which were then roasting the teas. The objeci of this was to soften it, in order that it might be readily pounded into a very fine powder, in the same manner as the Prussian-blue had been. The gypsum, having been taken out of the fire after a certain time had elapsed,... | |
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Prussian-blue, he threw it into a porcelain bowl, not unlike a chemist's mortar, and crushed it into a very fine powder. At the same time a quantity of gypsum was produced and burned in the charcoal fires which were then roasting the teas. The object... 
