Item Number :
(470344-182)
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Item Number :
(470339-518)
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Item Number :
(470233-768)
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Inverting Spectacles, With Two Fully Rotating Inverting Prisms In A Shielded Spectacle Frame, The Inverting Prisms Produce A Lateral Inversion Of The Rays-The World Thus Turns Upside Down, This Also Enables A Better Understanding Of The Visual Perception Of Babies.
Item Number :
(470311-136)
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Yag laser with frequency doubling
Item Number :
(470219-450)
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Prisms Glass - Right Angled, Size: 50 mm Non-optically worked with polished faces, edges slightly bevelled.Nominal angles 90 x 45 x 45 degree
Item Number :
(470006-844)
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Item Number :
(470144-284)
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Item Number :
(470006-848)
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Item Number :
(470117-790)
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Item Number :
(470006-934)
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Item Number :
(470328-068)
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Double Convex Lens, Spherical, Optically Worked Glass Lens - with Ground Edges, Polished - optically true lens is excellent for physics classroom demonstrations in optics and light refraction, size: 150mm focal length, 12mm thick, Lens measures 3in diameter, 0.2 weight
Item Number :
(470106-854)
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Item Number :
(470146-278)
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Item Number :
(470013-300)
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Item Number :
(470013-580)
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Item Number :
(470004-004)
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