US$ 84.93
endodermis
this eight-fork steel set lets students hear and measure frequency
with adjustable slit and draw-out focusing for examining the spectral composition of light sources
including beakers
an ignition light firing on compression for visual timing
Fine Iron Filings in Sprinkle Bottle, 100g, 40-60 Mesh Lab Supplies_Thermometers endodermisFine 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.
US$ 84.93
US$ 179.99
US$ 33.24
US$ 12.00
US$ 150.04
US$ 11.46
US$ 73.56
US$ 124.00
US$ 61.09