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

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

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

Adjustable mass on one fork shifts its 440Hz pitch by a few hertz

providing a measurable projection surface for sizing real images formed by lenses and concave mirrors

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

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"