A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 419
d in theannexed diagram:a is a hollow spherefor containing alco-hol, resting upon ashoulder in the ring(I. If the bottom beniaJe flat instead cfspherical, the actionof the flame will thenbe greater: 6 is abent tube with a jetat the end, to con-vey the alcohol inthe state of vaporinto the flame at q… … higher or lower on the pillar e, the two millednuts J and g carrying the steel arm A, whichrests on the valve: i is an opening for puttingin the alcohol: k is the lamp, which adjusts todifferent distances from a, by sliding up ordown the two pillars //. The distance of theflame g from the jet is…
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