Small Air-Core Solenoid Subcategory_Kinematics Length-adjustable wooden pendulum simple-machine model

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

and baskets for scrubbing metal parts in workshop and garage environments

demonstrating plaque removal during dental hygiene lessons

5 inch dimensions in brass

and string length

Small Air-Core Solenoid Subcategory_Kinematics Length-adjustable wooden pendulum simple-machine modelTightly wound 700 turn copper coil on a small air core former, rated 1. 6A continuous and 5A intermittent for short duration high field induction and Lenz law investigations.