Fine Iron Filings in Sprinkle Bottle, 100g, 40-60 Mesh Lab Supplies_Thermometers an ignition light firing on

an ignition light firing on compression for visual timing

with adjustable slit and draw-out focusing for examining the spectral composition of light sources

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work

Fine Iron Filings in Sprinkle Bottle, 100g, 40-60 Mesh Lab Supplies_Thermometers an ignition light firing onFine 40 60 mesh iron filings in a 100 gram sprinkle bottle, sized to dust evenly over paper or around a magnet to make field lines visible during introductory magnetism work.