US$ 16.00
and airway anatomy at scale
Extended two-inch fingers on this vinyl-coated three-finger clamp provide deeper reach into apparatus assemblies
designed so seated students read the needle without parallax error from a steep viewing angle
Coulomb's law
Reading Magnifying Glass, 50mm, 15cm Focal Length Gifts_Bar and airway anatomy at scalePlastic handled 50mm reading magnifier with a 15cm focal length, doubling as a lab demo lens for focusing sunlight and investigating image formation with convex optics.
US$ 16.00
US$ 18.00
US$ 11.00
US$ 130.00