Secchi/Disc
Measurements: ø140 x 3.5
Materials: Stainless steel
Year: 2009
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View 3D rotatable model: 01
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Secchi-desk is a circular disk used to measure water transparency in oceans and lakes. It was s School project for "Protection Fund for the Archipelago Sea". Made together with co-students. It is available in finnish local supermarkets.