US$ 32.95
demonstrating that sound requires a medium to propagate
rated to 8A for series-resistor or potentiometer use
Thicker 90 by 25mm acrylic semicircular block with polished sides
10-inch vacuum pump plate on an aluminum base with a stopcock and rubber seal
forced oscillation
Protozoa and Algae Microscope Slide Set, 20-Piece Lab Supplies_Weights & Masses demonstrating that sound requires aProtozoa and algae survey of 20 slides covers Amoeba, Paramecium, Euglena, and diatom preparations for microbiology and protist identification work.
US$ 32.95
US$ 12.00
US$ 104.00
US$ 22.95
US$ 65.00
US$ 99.00
US$ 197.50
US$ 52.00
US$ 134.50
US$ 29.00
US$ 14.97