Silk Cloth Square for Static Demonstrations, 12 x 12" Entomology & Zoology_Entomology Supplies Cast-metal base mounts a heavy-duty

Cast-metal base mounts a heavy-duty electromagnet-driven fork at ~80Hz

this enhanced optical bench set ships with a lamp housing and a matched complement of optical components

Heavy-base Bunsen burner adds stopcock gas control for fine flame adjustment during chemistry experiments with liquid propane or butane fuel

05A coil for the demountable transformer with 445 ohm resistance and 4mm panel sockets

holding volume constant across specimens for isolated density comparisons

Silk Cloth Square for Static Demonstrations, 12 x 12" Entomology & Zoology_Entomology Supplies Cast-metal base mounts a heavy-dutyUsed to draw electrons from glass and ebonite rods during rubbing, this silk square gives friction rods a strong positive charge for triboelectric and electrostatic demonstrations.