8.25" Nickel-Plated Sampling Tongs Electricity & Magnetism_Electromagnetism & Motors 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

Optically worked double-convex glass lens at 75mm diameter and 100mm focal length

Composite rod splitting glass and brass at its midpoint

Nine-piece flat brass weight set with dual hooks on each piece

86 inch diameter for high-temperature chemistry analysis

8.25" Nickel-Plated Sampling Tongs Electricity & Magnetism_Electromagnetism & Motors Greatly enlarged inner ear modelNickel plated sampling tongs measuring 8. 25 inches in length transfer small solids from stock containers without contamination from bare steel or laboratory users.