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Brownlee Electrolysis (New Design)

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#499-2 Electrolysis Apparatus, Brownlee, New Design. This unit features several improvements over the standard Brownlee.  The open front spring clips make it much easier to remove the test tubes while the tubes remain submerged.  The test tubes have been graduated for a clear measurement of the volume of gas generated.  The black acrylic background aids in viewing the water level while supporting the test tubes.  The binding posts have been reposititioned for easy access and greater safety.  The unit measures 140mm x 203mm x 38mm.  Instructions included.