Society of Glass Technology · [Sheffield] · leaf 516
out by DECORATED GLASS. 115 filled with mercury to the bottom of the capillary portion of theright-hand limb, and with the stopper, F, out, toluene is pouredinto the bulb, B, through b until the cross tube and the right-handlimb of the U above the tiny blob of mercury sealing the capillaryis full.… … extending to the bottom of the capillary portion, is then insertedand connected to the lamp, D, submerged in the bath, C. Currentis fed to the lamp and to the other limb of A by copper leads. Thebath is heated to the desired temperature with the tap, E, open,leaving the toluene free to expand above…
Glass
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