16.5" Inclined Plane Simple Machine Model Subcategory_Lab Jacks Open-frame demonstration DC motor exposing

Open-frame demonstration DC motor exposing armature

this replacement key matches the goggle sanitizer cabinet lock for classroom stockroom maintenance

Pairs 50mm of aperture with a 200mm focal length on a convex glass surface

this animal cell meiosis model reveals chromosome pairing

Transverse and longitudinal sections of this 3D dicot stem expose epidermis

16.5" Inclined Plane Simple Machine Model Subcategory_Lab Jacks Open-frame demonstration DC motor exposingSixteen and a half inch wooden inclined plane with a paired cart, demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope.