Sounding Bottle. Small container, or bottle, lowered into the sea to bring up a sample of sea-water from a desired depth.
Sounding Machine. Apparatus for dropping a line and sinker to sea-bed, measuring the amount of line out, heaving in the sinker and indicating the actual depth of water.
Sounding Pipe. Tube leading from a deck to any place or compartment containing water or liquid. Forms a lead for a graduated rod, to which is attached a line.
Sounding Rod. Graduated rod, attached to a line, used for measuring depth of liquid in a space.
Sound Signal. Any signal transmitted by a system of sounds.
South. Point or direction opposite to North. For a heavenly body to 'South' is for it to come to the meridian south of observer.
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