US$ 34.99
each output protected against overload and short-circuit conditions
Ovary model exposes cortex
and vascular tissue at greatly magnified scale
slotted masses
slit plates and combs
Lens Holder for 50mm Lens with 8mm Rod Attachment Pack Size_8 each output protected against overload8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical bench rail for repeatable refraction, focal length, and image formation experiments.
US$ 34.99
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