. Appleton's dictionary of machines, mechanics, engine-work, and engineering. SEA-LIGHTS. 615 tions have been resorted to. Amongst others, an alarum is attached to the lamp, consisting of a smallcup pierced in the bottom, which receives part of the overflowing oil from the wicks, and is capable,when full, of balancing a weight placed at the opposite end of a lever. The moment the machinery-stops the cup ceases to receive the supply of oil, and, the remainder running out at the bottom, thf>equilibrium of the lever is destroyed, so that it falls and disengages a srjring which rings a bellsuff
. Appleton's dictionary of machines, mechanics, engine-work, and engineering. SEA-LIGHTS. 615 tions have been resorted to. Amongst others, an alarum is attached to the lamp, consisting of a smallcup pierced in the bottom, which receives part of the overflowing oil from the wicks, and is capable,when full, of balancing a weight placed at the opposite end of a lever. The moment the machinery-stops the cup ceases to receive the supply of oil, and, the remainder running out at the bottom, thf>equilibrium of the lever is destroyed, so that it falls and disengages a srjring which rings a bellsufficiently loud to waken the keeper should he chance to be
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Keywords: ., bookcentury1800, booksubjectmechanicalengineering, bookyear1861
