Society of Glass Technology · [Sheffield] · leaf 618
of a thermo-couple. The coal, dried and ground topass a 30-mesh sieve was quickly weighed out into a small silicatube (A) 12 cm. by 1-5 cm., closed at one end. The quantitytaken, about 5 grams, filled about half the tube, which was intro-duced open-end first into a larger silica tube (B) 30 cm. by… … Fig. 155. Into the mouth of B was fitted a rubber stopper carrying a glassdelivery tube, D, communicating with the upper part of the flask,E, which was three-quarters filled with water. A second glasstube, F, passed from near the bottom of E to near that of a secondflask, G, open to the atmosphere.…
Glass
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