Brass Tube Resonance Apparatus Subcategory_Botany Models Slotted with a central well

Slotted with a central well on each glass

and engineering classroom activities

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

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

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

Brass Tube Resonance Apparatus Subcategory_Botany Models Slotted with a central wellBrass 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.