Double Long Pulley, 2" and 1.5" Wheels Handle Type_Wood Compact metal-box convection demonstrator at

Compact metal-box convection demonstrator at 10 by 4 by 3 inches with two glass chimneys

Used to set a tuning fork ringing without bruising its tines

Chrome-plated alternate-build 50mm reading magnifier with a 20cm focal length

configured to contrast eddy-current damping in continuous versus interrupted conductors

sized as the heaviest gauge in the line for high-current electromagnet windings and resistance-vs-length investigations

Double Long Pulley, 2" and 1.5" Wheels Handle Type_Wood Compact metal-box convection demonstrator atUnequal wheel pulley with a 2 inch and a 1. 5 inch wheel at 5. 75 inches overall in a metal frame with end hooks, showing how different wheel diameters change mechanical advantage.