US$ 299.50
this Perspex acrylic rod gains a positive charge when rubbed with cloth
used as the standard positive partner to ebonite in triboelectric investigations
and desktop handling
and 15 mm — providing a lightweight
and human hair at loads up to 10kg
Bunsen Burner, Natural Gas, Standard Physics_Force & Motion this Perspex acrylic rod gainsStandard Bunsen burner runs on natural gas for everyday flame heating, boiling, and sterilization in chemistry and biology laboratories.
US$ 299.50
US$ 175.00
US$ 500.00
US$ 149.50
US$ 749.50
US$ 120.00
US$ 299.50
US$ 299.50