Freeze-Dried Anti-A, Anti-B, and Anti-Rh Blood Typing Antisera, 5mL Vials, 75-Student Set Type_Shield Solid-aluminum 2-meter bench with double-sided

Solid-aluminum 2-meter bench with double-sided graduations

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

Lead-free five-cylinder equal-mass set at 30g each in zinc

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

Freeze-Dried Anti-A, Anti-B, and Anti-Rh Blood Typing Antisera, 5mL Vials, 75-Student Set Type_Shield Solid-aluminum 2-meter bench with double-sidedFreeze 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.