Stainless Steel Dissection Tray with Wax Liner Size:13.75"x10" Spherical optically worked glass lens

Spherical optically worked glass lens with ground edges demonstrates how diverging lenses always produce smaller virtual upright images for ray-tracing exercises

1°C resolution in air or submerged in water for thermal and phase-change experiments

and enzyme catalysis for biochemistry coursework

and physics investigations

and 1g weights for use with balances and scales in teaching mass

Stainless Steel Dissection Tray with Wax Liner Size:13.75"x10" Spherical optically worked glass lensWax liner accepts dissection pins to stabilize specimens during tissue exposure, with a stainless steel tray beneath for washable classroom biology workflows.