7-Piece Bowen's Reaction Series Mineral Specimen Set Type_Low Form providing low-temperature-coefficient reference values for

providing low-temperature-coefficient reference values for Ohm's-law and bridge calibration work

with a 0 to 20 second reaction window for sanitation and food-safety checks

Economy 25 by 5mm ceramic disc magnet

offering a spread of spring constants for simultaneous comparison in oscillation and Hooke's-Law experiments

Heavy-duty 6 by 4 inch powder-coated steel retort base weighing 4 pounds

7-Piece Bowen's Reaction Series Mineral Specimen Set Type_Low Form providing low-temperature-coefficient reference values forBuilt for igneous petrology teaching, this 7 piece Bowen's Reaction Series set traces the crystallization sequence from olivine through quartz.