Plant Anatomy Microscope Slide Set with Storage Box, 20-Piece Physics_Waves & Oscillation Convertible motor-generator running AC or

Convertible motor-generator running AC or DC in shunt or series wound configurations

this 4-inch carbon-steel needle pivots on a brass cup bearing for low-friction rotation under the local field

bulb and cell holders

Concave glass mirror at 75mm diameter and 150mm focal length on a ~3mm-thick blank

Engineered to expose both AC and DC generation on a single hand-cranked apparatus

Plant Anatomy Microscope Slide Set with Storage Box, 20-Piece Physics_Waves & Oscillation Convertible motor-generator running AC orPlant anatomy slide set with 20 preparations and a plastic storage box covers monocot and dicot sections for organized botany coursework reference.