Sounding Lead Weight

Traditional Pattern Sounding Leads100% Pure Lead - Made in U.S.A., Can be used as a primary depth-finding device, or as a backup for electronics.

April to July 2019 The Hazardous Project Blog

Hand Lead Sounding Line 50M - Depth Vessel Boat

Sounding Weights

HOW DO WE STUDY THE SEAFLOOR?. 1. Line-sounding – starting around 85 B.C. lead weighted ropes were dropped over the side of the boat and the depth was. - ppt download

Lead weight hi-res stock photography and images - Alamy

Plastimo 50m Hand Lead Line Gael Force Marine

Sounding Lead (11A18)

NA31

Lot 229 - A SOUNDING MACHINE BY BALLAUF, WASHINGTON

Sounding Weights

Measuring Depth With a Sounding Weight

Measuring Depth With a Sounding Weight