Reading Magnifier, 50mm, 10cm Focal Length, Alternate Model Item Type_Cell Model 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

a transparent cover

1 oz with a threaded removable hook

Non-conductive and waterproof fifteen-meter fiberglass tape measure with PVC coating and a flush winding handle

Reading Magnifier, 50mm, 10cm Focal Length, Alternate Model Item Type_Cell Model Demonstrates that charge resides onlyChrome plated 50mm reading magnifier with a 10cm focal length in alternate build framing, the shorter focal distance lifting magnification for fine print and specimen detail work.