Single-Phase Rheostat, Model D Subcategory_Microscope Slides Used to draw electrons from

Used to draw electrons from glass and ebonite rods during rubbing

this microphone amplifier connects a microphone input to both an integrated speaker and an oscilloscope-driving amplified signal for waveform study

Life-size liver model with attached gall bladder shows hepatic lobes

Metal spouting cylinder with multiple outlet holes at different heights

electrophorus

Single-Phase Rheostat, Model D Subcategory_Microscope Slides Used to draw electrons fromCover protected single phase rheostat with constantan winding and 4mm safety socket terminals at plus or minus 10% nominal value tolerance, the entry level shrouded wiper unit in the family.