Electrostatic Discharge Tongs with Brass Spheres, 20cm Lab Equipment and Supplies_Audio Visual Equipment Hand-operated vacuum pump with a

Hand-operated vacuum pump with a 200mm copper pump plate and rubber seal

and pith for stem anatomy and plant tissue teaching

with a single-point central support stabilizing the rail

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

Electrostatic Discharge Tongs with Brass Spheres, 20cm Lab Equipment and Supplies_Audio Visual Equipment Hand-operated vacuum pump with aBrass spheres electrostatic discharge tongs at 20 cm with adjustable jointed rods and an insulated ebonite handle, safely grounding accumulated static charge during high voltage demonstration work.