16.25" Gear Train Simple Machine Model Handle Type_Wood Selected through four rotary-switch decades

Selected through four rotary-switch decades from 0 to 11

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

this pack of premium qualitative filter paper offers medium-speed gravity filtration with a 10-micron pore size at 85 gsm weight

Spanning C (256 Hz) through C (512 Hz) in scientific pitch

supporting up to three pendulums simultaneously for harmonic-motion work

16.25" Gear Train Simple Machine Model Handle Type_Wood Selected through four rotary-switch decadesUsed to demonstrate how meshing gears transmit rotation, change speed, and multiply torque, this 16. 25 inch gear train simple machine model arrives ready to use with no assembly required.