Closed Retort Ring with Stem, 3" ID, Plated Mild Steel Grade_Food Grade Demonstrates that charge resides only

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

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

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

this silk square gives friction rods a strong positive charge for triboelectric and electrostatic demonstrations

place value

Closed Retort Ring with Stem, 3" ID, Plated Mild Steel Grade_Food Grade Demonstrates that charge resides onlyThree 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.