Wooden Test Tube Support, 15-Place Glass Sets & Apparatus_Organic Chemistry Sets Used to teach motor operation

Used to teach motor operation through the classic St

bulbs wired in parallel on a standard Malvern-system base with 4mm sockets

restoring UV-C output in the compatible goggle sanitizer cabinet once the original lamp reaches end of service life

relating photon frequency to the kinetic energy of emitted electrons for quantum physics investigations

and a semi-circular glass block fill this tabletop optics kit

Wooden Test Tube Support, 15-Place Glass Sets & Apparatus_Organic Chemistry Sets Used to teach motor operationSolid hardwood 15 place test tube rack milled from a single block with slotted holes, keeping tubes up to 13 mm upright on the bench during student experiments.