US$ 12.00
this battery box adds insulated terminals and prevents short-circuits from rolling cells touching exposed lab metalwork
high-temperature grid flame for chemistry ashing
Greatly-enlarged cardiac muscle model exposes myocardial fiber structure
Decade capacitance box stepping 10nF to 100nF in 10nF increments at plus-or-minus 5% on 63V
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$ 12.00
US$ 363.52
US$ 12.99
US$ 415.43
US$ 2109.34
US$ 221.58
US$ 32.00
US$ 1035.39