hardware braces
ginsberg scientific 7 499 2 electrolysis apparatus brownlee new design
new design brownlee electrolysis apparatus 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 repositioned for easy access and greater safety the unit measures 140mm x 203mm x 38mm instructions included american educational products have a lead ship time of 21 days sku amed3230