Wooden Frame Abacus, 5 Steel Wires Lab Equipment_Centrifuges Greatly enlarged inner ear model

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

housed in a 5

6-tube capillary pressure demonstration apparatus features metal frame for demonstrating capillary action

this demo motor on a molded ABS base operates at 6-8V to demonstrate visible-spectrum color mixing

Transparent 16-inch Perspex spouting cylinder with a 1

Wooden Frame Abacus, 5 Steel Wires Lab Equipment_Centrifuges Greatly enlarged inner ear modelWooden framed abacus with five steel wires and 20 beads per wire on a 13. 5 by 9. 5 inch base, a smaller range counting tool for introductory arithmetic and place value work.