Widely used deeplead of 10 lbs with a leadline on a reel to find waterdepth and type of soil. The length of the line is 25 fathoms. The first five fathoms are marked with blue tarlaulin flag around the fathom. Thereafter every two and a half fathom is indicated with a yellow flag.

The bottom of the lead is provided with a hollow to put in some fat. Adhered soil gives an indication of the structure of the seabottom. The reel is made of oak.

Catalogue: NM.6-30
Date: 19th century
LD reel: 53×23 cm
Signed: not signed
Origin: unknown
Condition: perfect, working and wear consistent with age and use