US$ 80.00
hand-painted detail for blood-flow teaching
sized so the heavier D cell stays seated when student-built circuits are picked up
Grips burettes
Thirteen-coil plug-type resistance box covering 1 ohm to 1000 ohms with 2110 ohms total at plus-or-minus 0
20mm Zinc Density Cube with Hook Subcategory_Filtration Equipment hand-painted detail for blood-flow teachingSuspends a 20mm solid zinc cube from a spring scale for water displacement density measurement, stamped (Zn) to identify it against the rest of the metal cube series.
US$ 80.00
US$ 900.00
US$ 40.00
US$ 180.00
US$ 25.00
US$ 20.00