Freeze-Dried Anti-A, Anti-B, and Anti-Rh Blood Typing Antisera, 5mL Vials, 75-Student Set Type_Shield sized for large-scale demonstrations of

sized for large-scale demonstrations of elastic potential energy and simple harmonic motion

Changeover switch component replaces parts in compatible educational apparatus for circuit control and electrical demonstration applications

Illustrates liquid-density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15°C water and sinks as the water warms to 30°C

5L bottle of laboratory-grade 70% nitric acid

Freeze-Dried Anti-A, Anti-B, and Anti-Rh Blood Typing Antisera, 5mL Vials, 75-Student Set Type_Shield sized for large-scale demonstrations ofFreeze dried complete ABO+Rh antisera kit with Anti A, Anti B, and Anti Rh serums in 5mL vials for 75 students, the lyophilized long shelf life set with refrigeration after rehydration.