Working Steam Engine Model with Piston and Slide Valve Botany_Botany Charts & Models used to map the circular

used to map the circular field around a current-carrying wire and confirm the right-hand rule

Glass equilibrium tubes with plastic base demonstrate pressure equilibrium

each foam-protected in a wooden case with frequencies labeled

and motion experiments

and 4-pole armature configurations on the same motor frame by swapping interchangeable enameled-copper armatures past a permanent bar magnet on a disc commutator

Working Steam Engine Model with Piston and Slide Valve Botany_Botany Charts & Models used to map the circularCutaway working steam engine model with piston, slide valve, and link motion reversing mechanism, the flywheel light enough to drive by breath for hands on reciprocating engine study.