Magnetic Field Demonstrator with Long Solenoid, Acrylic Frame Lab Equipment and Supplies_Audio Visual Equipment Square-topped wooden screw simple-machine model

Square-topped wooden screw simple-machine model with a leverage block

Bulk 144-pack of pre-cleaned 75 x 25mm glass microscope slides features frosted labeling ends and ground polished edges for high-volume teaching labs

and edge-polished

3 glass beakers each holds 1000mL with low-form design and spout for large-volume chemistry and laboratory applications

Red-coated Alnico cylindrical pair at 50 x 10mm

Magnetic Field Demonstrator with Long Solenoid, Acrylic Frame Lab Equipment and Supplies_Audio Visual Equipment Square-topped wooden screw simple-machine modelLong solenoid coil of 1. 5mm copper wire on a 5 x 4. 5 x 2. 75 inch acrylic frame with 4mm sockets, exposing the cylindrical field pattern that distinguishes a solenoid from a single loop.