Projection Screen 36 x 48" LabLearner sized for individual student-lab use

sized for individual student-lab use in simple-machines units

5 inch base with a two-tension-setting spring gun and visible internal components

and gastric wall layers in a compact footprint for digestive anatomy teaching

Designed to grip a wide variety of optical components on standard bench rails

Designed to electrolyze water into separately collected hydrogen and oxygen

Projection Screen 36 x 48" LabLearner sized for individual student-lab useWall automatic roll back spring action screens (box type casing), with hooks for mounting on walls and an AUTOMATIC roller mechanism for winding. Wall automatic roll back spring action screens (box type casing), with hooks for mounting on walls and an AUTOMATIC roller mechanism for winding. Size : 36 x 48"