Functional Eye Model, with Changeable Lens with maximum limits for impurities

with maximum limits for impurities like iron

1 x Daniel Cell with Accessories

Portable Design: Conveniently transport small gas cylinders with ease

25 Adhesive Plasters

Self-calibration by link to PC and a balance with USB connector

Functional Eye Model, with Changeable Lens with maximum limits for impuritiesAn excellent Eye Model type to study the functions of the human eye. With flexible lens, the model can focus an image on the retina, demonstrates far and short sight, and their corrections. Size: 145mm x 150mm x 185mm. Mounted on a base. Premium Quality: 100% Anatomically correct, this anatomy model is hand painted and assembled with the utmost attention to detail. Perfect for the doctor's office, anatomy classroom, or study aid. Designed for use in