Air-Cooled Rheostat, 36Ω, 300 x 44mm Item Type_Home Furnishing used to map how charge
Yard notes & kiln story
Description
Air Cooled Rheostat, 36Ω, 300 x 44mm Item Type_Home Furnishing used to map how charge used to map how charge density concentrates at points of higher surface curvature Wood cased direct vision spectroscope built around a 3 element prism stack