4-Case 95% Ethanol High-Concentration Histology Alcohol, 1 Gallon Each Diameter_300mm the larger geometry pushing pole

the larger geometry pushing pole separation wide enough that field lines extend visibly beyond the magnet body for filing maps

The initial color of the compound returns upon cooling

Demonstrates electromagnetic induction and Faraday's law by stepping DC input into 25mm high-voltage sparks across adjustable electrode rods on an open chassis

Triple-range moving-coil DC voltmeter at 0-3V

4-Case 95% Ethanol High-Concentration Histology Alcohol, 1 Gallon Each Diameter_300mm the larger geometry pushing poleHigher concentration 95% ethanol in a 4 case of 1 gallon bottles, the histology grade fixative and dehydrating agent for tissue processing requiring stronger alcohol than 70% storage.