Carbon Electrode, 100 x 20 x 5mm Subcategory_Pitchers 3V 2A AC filament line

3V 2A AC filament line for cathode-ray experiments

Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

US-milled iron filings at 40-60 mesh in a 250-gram translucent screw-cap bottle

current sensors

Carbon Electrode, 100 x 20 x 5mm Subcategory_Pitchers 3V 2A AC filament lineSolid carbon electrode bar that conducts current without participating in electrochemical reactions, isolating ion behavior in electrolysis and voltaic cell investigations.