Camera oscura, vintage engraving XIX century - Vintage Nostalgia
Camera oscura, vintage engraving XIX century

Engraving describing how a camera oscura or pinhole image works: a scene is projected reversed and inverted on a screen through a small hole with color and perspective preserved. Camera oscura with a lens was further developed as photographic camera

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Chemistry, carbon dioxide collection from honey fermentation - Vintage Nostalgia
Chemistry, carbon dioxide collection from honey fermentation

Vintage chemistry, device to collect the carbon dioxyde resulting from the fermentation of a 12.5% honey solution in water

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