US$ 99.00
this battery box adds insulated terminals and prevents short-circuits from rolling cells touching exposed lab metalwork
Greatly-enlarged cardiac muscle model exposes myocardial fiber structure
dual bore sights
isolating ion behavior in electrolysis and voltaic-cell investigations
compatible with dilute acids
Hare's Apparatus for Comparing Liquid Densities, 25" Material_Iron this battery box adds insulatedThree limbed glass tube on a 61cm scaled wooden stand with a pinch clamp on the center limb, comparing liquid densities by the differential heights of drawn columns.
US$ 99.00
US$ 99.00
US$ 17.95
US$ 99.00
US$ 17.95
US$ 99.00
US$ 17.95