Frederiksen

Refractometer, salinity 0-10%

Water Sampler, economy

Boxed set of Spring Balances

Spring Balance 0,2 N, Beige

Spring Balance 2N, Red

Spring Balance 10 N, Green

Spring Balance 50N, Orange

Digital Balance 200 g / 0,1 g

Gravity Set, 6 materials in 3 sizes

Specific Gravity Cylinders same vols.

Areometer, seawater

Archimedes Cylinder Set

Cartisian diver

Air Sensor 200 x Ø 8 mm

Crooke´s Radiometer