Optically Worked Double Concave Glass Lens, 50mm Diameter Focal Length:100mm Open-mount electromagnet bell on an

Open-mount electromagnet bell on an 8x4-inch wooden base with a push button and 4mm banana sockets

and crime scene) Blood typing trays (1) set ABO/Rh blood typing antiserums (1) package mixing sticks Teacher's manual Student study guide copymasters Safety data sheet (SDS) packet

two lens holders

letting students watch the wire travel along the rail as roughly 3A of current crosses the magnetic field

Optically Worked Double Concave Glass Lens, 50mm Diameter Focal Length:100mm Open-mount electromagnet bell on anSpherical optically worked glass lens with ground edges demonstrates how diverging lenses always produce smaller virtual upright images for ray tracing exercises.