Carbon Electrodes in Rubber Stopper for Hoffman Voltameter, 8cm Build to Order sized to mount alongside a

sized to mount alongside a tone generator for converting electrical signals into audible tones during sound-wave demonstrations

these low-friction Hall's cars support kinematics

and 6V-powered ignition light staging each step

this polished hardwood funnel-and-burette stand adjusts height up to 18 inches for consolidated benchtop chemistry workflows

dropping into the Worcester Circuit Board Kit for telegraph work

Carbon Electrodes in Rubber Stopper for Hoffman Voltameter, 8cm Build to Order sized to mount alongside aReplacement 8cm carbon electrodes pre mounted in a leak proof rubber stopper for the CH0740B Hoffman Electrolysis Apparatus, sized for ammonia solution decomposition work.