was noticed pressure-easing advent of a borehole. tative transformation of nitric acid into hydroxylamine as the boring was being sunk, but it was vaguely as- Analysis shows the gas to be singularly free from salt, whereas, in the case of lead kathodes, the amount cribed to “foul air;” until… … its transport facilities, and the ease with which gas light and power to the ally electrolytic nature, MERCURY VAPOR LAMPS whole of central and southern England. The com- can be carried along a pipe-line, together with the fact so as to produce ammo- AND STARTING COILS. pany has already sunk one…
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