Society of Glass Technology · [Sheffield] · leaf 579
r block the ring of aper-tures, h, may be partiv closed.Fig. 129 shows a modification,])articularly for an enamel kiln,consisting of a hollow, perforateddome, a, fitted upon a tube, j,which is fitted into the flue inthe upper part of a kiln. The block shown in Fig. 128 is adaptedto the inlets and… … Fig. 1: Fig. 129. 264. Indicator for Furnaces. G. Alliata, Switzerland(Brit. Pat. No. 115423, April 11th, 1918, No. 6175. Conven-tion date, May 3rd, 1917. Not yet accepted. Abridged as opento inspection under Sec. 91 of the Act).—An indicating devicefor use in connection with furnaces comprises a…
Glass
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