Linear Expansion Apparatus with Aluminum, Brass, and Iron Rods, 18cm Subcategory_Pitchers 125 inch Alnico horseshoe

125 inch Alnico horseshoe

plastic body with sturdy metal rod

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

and the dome of a Van de Graaff generator

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 125 inch Alnico horseshoeCast 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.