Description
supported on die-cast ends with a phosphor-bronze sliding contact
pyrotechnic seatbelt actuation
Battery-powered iron-clad electromagnet that lifts up to 100 pounds from its end hooks on four C cells
and classroom precision measurement
Slotted with a central well on each glass
Brass Tube Resonance Apparatus Subcategory_Botany Models supported on die-cast ends withBrass 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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