Optically Worked Double Convex Glass Lens, 75mm Diameter, 250mm Focal Length StockedLY9121 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

the frosted side acting as a screen for projected real-image observation

direct-reading current in the most-used range for student bench circuits

with the (Cu) element stamp and a total 1

Converts a 3-bit binary input (0V/5V logic) into a 0 to 7V analog output

Optically Worked Double Convex Glass Lens, 75mm Diameter, 250mm Focal Length StockedLY9121 Demonstrates that charge resides onlyLong focal double convex glass lens at 75mm diameter and 250mm focal length, the f 3. 3 geometry stretching focal throw for distant screen projection of well formed real images.