Double Parallel Pulley with 2" Wheels Item Type_Dissection Equipment proof plane

proof plane

using a 5cm sphere with detachable hemispherical cups that lift away to test for residual charge

Long-format 150 x 15 x 10mm Alnico bar pair with keepers

Single-channel aluminum 1-meter bench with engraved graduations and leveling-screw feet

One hundred numbered slots in a hardwood storage box hold standard microscope slides for ordered reference and classroom slide-library organization

Double Parallel Pulley with 2" Wheels Item Type_Dissection Equipment proof planeAluminum bodied double parallel pulley with two 2 inch wheels in a heavy duty 4. 25 inch metal frame and end hooks, demonstrating compound pulley mechanical advantage in paired configuration.