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Navigation: Lead Line

When navigating waterways with unknown depths a lead line was used to quickly give measurements in order to keep the vessel from running aground.

 

CURRICULUM:

Additional Links:

An explanation of how the Lead Line was used.

https://seahistory.org/sea-history-for-kids/leadline/

 

A quick tutorial for figuring out a depth at sea in the age before electonics.

https://www.youtube.com/watch?v=RDE4SlYdn5E

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