Straight Receiver Adapter, 34/35 Socket, Borosilicate Glass Material_Wood the slim half-disc geometry letting

the slim half-disc geometry letting beams enter the curved face along its radius for clean refraction-angle and TIR observations

Acrylic semi-circular block measuring 3 x 1

supporting inclusive anatomy teaching in biology classrooms

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

and magnetic strength relationships

Straight Receiver Adapter, 34/35 Socket, Borosilicate Glass Material_Wood the slim half-disc geometry lettingStraight receiver adapter in borosilicate glass features 34 35 socket for distillation collection and large scale chemistry apparatus connections.