of the oil which is found view, Fig. 3, in which Ais a vertical shaft, which, driven by use of the gases abovenamed. The result of their investi- in the head of the spermaceti whale. The present scarcity, gations shows the following comparative statement of photo- a pulley shaft and bevel gearing,… … kind of oil or fat which can take its place for the lubricatio2 lar in turn works the bell crank, C. ‘To the bell crank is ing in oxygen,4; magnesium lamp, 5; binoxide of nitrogen of cotton spindles and like motions; and hence it is believed without sulphide of carbon, 6, and a jet of oxygen…
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