Closed Retort Ring with Stem, 3" ID, Plated Mild Steel Grade_Food Grade allowing waveforms to be plotted

allowing waveforms to be plotted on an oscilloscope or fed into a frequency analyzer

Safety-plug 150mm black 4mm-stackable lead rated to 12A with shrouded contact pins

Demonstrates that charge resides only on the outer surface of a conductor by inverting the charged net inside out and showing the charge transferring to the new outside layer

demonstrating Bernoulli's principle quantitatively

Larger right-angled glass refraction prism at 80 by 115mm

Closed Retort Ring with Stem, 3" ID, Plated Mild Steel Grade_Food Grade allowing waveforms to be plottedThree inch inner diameter supports beakers and funnels on this plated mild steel closed retort ring, fitted with a 5. 5 inch stem for mounting on a standard retort stand.