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

and internal organelles for detailed protist biology teaching

Selected through four rotary-switch decades from 0 to 11

ten 6 by 2-inch plane glass mirrors at ~2mm thick give space for image-formation experiments to be staged side by side

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.