Projection microscope - Vintage Nostalgia
Projection microscope

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.

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Electromagnetic generator - Vintage Nostalgia
Electromagnetic generator

Illustration from middle ‘800: a not better specified electro-magnetic generator used to produce an electric arc.

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Vintage engraving, electric pump - Vintage Nostalgia
Vintage engraving, electric pump

Vintage engraving middle ‘800, one of the first pump for fluids moved by electromagnetism.

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