Fold and Fault Geology Teaching Model US-Unavailable demonstrating that electrostatic charge concentrates

demonstrating that electrostatic charge concentrates most densely at the tip where surface curvature is highest

this simple tangent galvanometer turns Oersted's effect into a quantitative ammeter calibrated against Earth's field

exposing every wire and hammer so students trace the bell's electromagnetic action

Multistrand PVC-insulated copper wire rated to 5 amps

Fold and Fault Geology Teaching Model US-Unavailable demonstrating that electrostatic charge concentratesIllustrates fold planes, tectonic stress, and the structural elements of geological faults through a five piece teaching model with an identification key.