Society of Glass Technology · [Sheffield] · leaf 685
Fig. 161. 287. An Air-oven Thermo-regulator. FT. M. Atkinson{J. Soc. Chem. Ind., 1920, 39, 298).—A slightly loaded floatcarried at the top a small capillary, which, in conjunction with asmall hole in the main body of the float, acted as a by-pass. Gasentering the float chamber from the main passed… … Fio. 162. turns of 3/16-inch tubing) inside the oven was heated sufficientlyto cause the expansion of the air to depress the mercury in onelimb of the U-shaped chamber, with a consequent rise in theother limb which carries the float. The latter was thus driven LAMP-WORKED AND GENERAL SCIENTIFIC…
Glass
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