Right-Angle Cone to Flexible Tubing Rotaflow Stopcock Adapter, 29/32 Cone, Borosilicate Glass Physics_Waves & Oscillation Color-coded lenses identify class groups

Color-coded lenses identify class groups at a glance while these safety goggles shield eyes during chemistry

and multiply torque

Five-lever balancing class pack with 600mm plywood levers

Replacement platinum electrodes pre-mounted in rubber stoppers for the CH0740A Hoffman Electrolysis Apparatus

forming a resonance apparatus for determining the speed of sound through frequency and wavelength investigations

Right-Angle Cone to Flexible Tubing Rotaflow Stopcock Adapter, 29/32 Cone, Borosilicate Glass Physics_Waves & Oscillation Color-coded lenses identify class groupsRight angle cone to flexible tubing Rotaflow stopcock in borosilicate glass connects ground joint apparatus to rubber tubing with flow control.