Description

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

and hinge-distance scales

Manually-operated seismograph model that traces shock waves onto a pulled paper strip

supported on die-cast ends with a phosphor-bronze sliding contact

pyrotechnic seatbelt actuation

Brass Tube Resonance Apparatus Subcategory_Botany Models deflecting a pivoting cobalt-steel compassBrass tube resonance apparatus designed to amplify a struck tuning fork at specific air column lengths, letting students plot resonance against length and back calculate the speed of sound.

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Brass Tube Resonance Apparatus Subcategory_Botany Models deflecting a pivoting cobalt-steel compass

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