Hare's Apparatus for Comparing Liquid Densities, 25" Material_Iron this replacement key matches the

this replacement key matches the goggle sanitizer cabinet lock for classroom stockroom maintenance

Three-legged spherometer with legs spaced 40 mm apart and a vertical scale reading -10 to +10 mm at 0

this battery box adds insulated terminals and prevents short-circuits from rolling cells touching exposed lab metalwork

high-temperature grid flame for chemistry ashing

compatible with dilute acids

Hare's Apparatus for Comparing Liquid Densities, 25" Material_Iron this replacement key matches theThree 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.