US$ 17.95
Glass semicircular block at 90 by 18mm
image formation
providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide
Labeled-terminal 50-ohm resistance unit at 7
pH effects on vegetation
Ultrasonic Study Kit Accessories with Reflective and Perforated Plates Type_Apron Glass semicircular block at 90Two reflective plates, a perforated plate, and matched wooden block stands extend the ultrasonic study kit's reflection, interference, and diffraction experiments to additional geometries.
US$ 17.95
US$ 17.95
US$ 17.95