Description

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

5-inch stainless steel rod

Battery-powered iron-clad electromagnet that lifts up to 100 pounds from its end hooks on four C cells

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

Brass Tube Resonance Apparatus Subcategory_Botany Models Manually-operated seismograph model that tracesBrass 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 Manually-operated seismograph model that traces

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