the plates, cc. The wick is lighted at the top, and as the flame issues through For lighting the saloons of vessels below the deck it is customary to cut small openings through the rents of heated air, one on the inner side of the plates deck and fill them with blocks of glass. The ordi- flowing up… … A circular block of glass has a thread formed upon office of the plates, cc, is to conduct the heat from it in the mold sothatit can be screwed into the plank- the flame downward into the currents of air, and to of the deck. Above the thread the block is enlarged spread these currents into thin…
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