Isaacs—Faughn-Schick—Sargent: Deep-Sea Moorings 307 
Catamaran Type Instrument Float 
___ eyebolt through deck 
thimbled eye and shackle 
500 ft. instrument line with thermistors 
1<— installed at several depths and pressure 
transducer at 500 ft. depth 
\_thimbted eyes and shackles 
3/8" dia. nylon main mooring line 
17% stretch to achieve 300 Ib. tension 
{<—— thimbled eye and shackle 
|< [50 ft. of 3/8"galvanized chain 
1200 Ib. anchor (welded 
<— lengths of scrap railroad 
rails ) 
Fig. 12. Taut-nylon deep-water mooring system, by Scripps Institution of Oceanography. 
as steady. Practically speaking, this means that the variation of the undisturbed 
velocity should be small over a distance equaling the largest dimension of the 
object. 
To conform with standard engineering practice, the English system of units 
