Resonant Tuning Fork Pair on Pine Boxes with Mass and Mallet, 440Hz cylinder Fitted with a wide-grip handle

Fitted with a wide-grip handle and tapered pouring spout

Six standardized objects mounted in 2 x 2 inch plastic frames

Reel of 30 SWG bare copper wire totaling about 1150 feet by mass

Short-form Euro-design 500mL polypropylene measuring pitcher features molded graduations and a pour spout for autoclavable chemical-resistant workflows

Brass-wire conductor and seven plotting compasses on a clear base

Resonant Tuning Fork Pair on Pine Boxes with Mass and Mallet, 440Hz cylinder Fitted with a wide-grip handleUsed to demonstrate beat frequencies and sympathetic resonance, this pair of 440Hz steel forks sits on pine resonance boxes (7. 5 x 4 x 2. 5 inches) with one fork carrying an adjustable tuning mass.