Society of Glass Technology · [Sheffield] · leaf 445
odyof the glass was one at which undue distortion did not occur. Theprocess was applicable where a slight deformation at the junctionwas immaterial. The apparatus for performing the operation wassimple and the actual joining only took a few seconds. Photographsof several articles made by this… … CohichSEH. Fig. 6 Fig. 7. 707471).—Relates to a method of sealing the necks of glass bulbscontaining gas in solution. In order to prevent ebullition of thesolution due to heat conducted along the neck of the bulb fromthe sealing flame, the bulb is immersed (Fig. 6) in water, mercury,or other…
Glass
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