One of them is a pretty standard sounding lead, and the other is an atmospheric pad.
For studying the seabed in detail, the bottom of the sounding lead was hollowed to hold a charge of grease to pick up a sample from the sea floor.
Despite the continual use of a sounding lead, on 18 February 1817, Alceste grounded on one of the many hidden reefs in the Java Sea.
In the remains of a small cabin in the bow of the ship and in a few other locations around the wreck was found the earliest dated set of navigation instruments in Europe found so far: compasses, divider calipers, a stick used for charting, protractors, sounding leads, tide calculators and a logreel, an instrument for calculating speed.
The Mayflower had two sounding leads for ascertaining depth: one with 600 feet of line, the other with 120.
"Sweet Home Alabama" by Lynyrd Skynyrd is basically a repetition of D, C, and G in that order, but it sounds much more complex on the record, because of the cool-sounding lead guitar licks the guitar player throws in.
All are keen to establish their credentials in a notably overcrowded market, and Angus Reid, in particular, has been advertising some newfangled online sampling process, whose last set of results gave the Conservatives a somewhat implausible-sounding lead of 13 per cent.
Soundgarden was an architect of grunge in the late 1980s and early '90s, arriving at it by way of heavy metal's blunt riffs, progressive rock's irregular meters and a desolate, death-haunted outlook, often sounding like Led Zeppelin with a deep angst hangover.
He has a sounding-lead he likes to sleep with, a fragrant but brittle wife he likes sleeping with less, and a fanatical and indefatigably metaphorical interest in measuring things.
Constantly working with others, though proven to be helpful and necessary in life, takes away from the "getting lost" process which, at the risk of sounding too ambitious, can lead to life-changing revelations.
The fruits of their collaboration so far amounts to the seven-track EP True, all of which is performed tonight, "Look Good with Trouble" sounding particularly sublime (even if lead track "Losing You" gets the biggest cheers).
