Platinum Resistance Thermometer StockedLY9121 panel-mounted with 4mm sockets and

panel-mounted with 4mm sockets and an enclosed earth pin for safe wiring during induction and AC ratio demos

two adjustment screws on a spring-loaded aluminum bar

Demonstrates that horizontal velocity is independent of vertical motion by ejecting a ball vertically from a moving aluminum car

demonstrating how a crane lifts loads through the mechanical advantage of a large wheel turning a small axle

anchoring side-by-side magnet-strength comparisons for the classroom

Platinum Resistance Thermometer StockedLY9121 panel-mounted with 4mm sockets andPlatinum resistance thermometer with fine platinum wire wound non inductively on a mica frame and soldered to copper leads, demonstrating the principle of resistance thermometry through 4 mm sockets.