Wooden Adjustable Organ Pipe, 34.5" Physics_Electricity & Magnetism Taenia solium tapeworm model demonstrates

Taenia solium tapeworm model demonstrates parasitic anatomy

proglottids

Hand-cranked friction-wheel drive sandwiched between clear acrylic plates

Brass-tube resonance apparatus designed to amplify a struck tuning fork at specific air-column lengths

Wider 70 x 20 x 8mm cross-section on this Alnico bar pair gives a broader pole face than typical bar magnets

Wooden Adjustable Organ Pipe, 34.5" Physics_Electricity & Magnetism Taenia solium tapeworm model demonstratesPolished wooden organ pipe 34. 5 inches long with no fixed pitch, sliding through a full octave from C5 (521Hz) to C6 (1024Hz) for hands on comparison of length to fundamental frequency.