US$ 125.00
This is friendly
Stand-mounted lift pump illustrating how atmospheric pressure lifts water through a valve-and-piston mechanism
two acrylic triangular blocks
Used to demonstrate photovoltaic energy conversion
Blue Epoxy Wire Test Tube Rack, 80-Hole (8 x 10), for 22-25mm Tubes Lab Supplies_Sieves This is friendlyEpoxy coated steel wire test tube rack with 80 holes in an 8 by 10 layout, sized for 22 to 25 mm tubes in high throughput biology and chemistry classrooms.
US$ 125.00
US$ 25.00
US$ 140.00