Society of Glass Technology · [Sheffield] · leaf 130
a safety flask, F, and a wash-bottle, Aq, and finally to a largeflask, G, which is connected to a water-pump. In order to avoid any possible contamination of the air passingthrough the apparatus with traces of strongly acid or alkalinevapours, the intake is carried through the wall of the… … tion with water, alcohol, and ether, and is moistened with distilledwater. The object of the trap E is to prevent any liquid (whichmay result from condensation of steam in the tube emerging fromthe thermostat) from running b&ck into the tube containing theglass specimens. The tube D is…
Glass
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