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Projection microscope

$ 1.99$ 35.99

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Product Description

Illustration from middle ‘800: the “photoelectrique” in the original should not be misunderstood: in those times it meant just ‘based on electrically generated light’. The ‘real’ photoelectric effect was still below the horizon.

JPG Raster, 7.45 MB

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License

4K Video, Blogger JPEG, Extended (for merchandise), Extended JPEG, Extended Vector, Extended Video, Full Size ( XLarge – high definition), Full Size JPEG, Full Size Vector, HD Video, Web-Blogger (700 pixels larger size)