Linear Expansion Apparatus with Aluminum, Brass, and Iron Rods, 18cm Subcategory_Pitchers and the dome of a

and the dome of a Van de Graaff generator

Used to test how mass per length controls pitch

mounted on a 4mm-terminal base that drops inline with other modular circuit-demonstration components

Greatly enlarged inner ear model exposes bony and membranous labyrinth alongside a sectioned cochlea for vestibular and auditory anatomy teaching

Linear Expansion Apparatus with Aluminum, Brass, and Iron Rods, 18cm Subcategory_Pitchers and the dome of aCast iron uprights support a 38cm expansion bar against a friction pointer dial reading 0 to 90 degrees, supplied with aluminum, brass, and iron rods for linear expansion comparison.