Step-Down Transformer Demonstrator with Wall Plug, 4-24V 1A Heat & Thermodynamics_Energy Transfer & Engines providing a measurable projection surface

providing a measurable projection surface for sizing real images formed by lenses and concave mirrors

5 inches) with one fork carrying an adjustable tuning mass

Cross wires set inside a 10mm aperture on a 75mm circular black metal screen

this Alnico U-shape carries 45mm pole spacing for compact-bench field demonstrations and motor-effect setups

the standard spectrometer integrates collimator

Step-Down Transformer Demonstrator with Wall Plug, 4-24V 1A Heat & Thermodynamics_Energy Transfer & Engines providing a measurable projection surfaceWall plug step down transformer with 4mm sockets and selectable 4 6 12 24V outputs at 1A, sized as both a teaching demonstrator and a small footprint bench AC supply.