Old technique for beer production: filtering machine - Vintage Nostalgia
Old technique for beer production: filtering machine

19th century illustration; mechanical process for beer filtering to remove all sediments flowing the beer through layers of filter material

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Chemistry, equipment to separate soil components - Vintage Nostalgia
Chemistry, equipment to separate soil components

Chemistry lab equipment, device to separate soil (mould, humus) in clay and sand by depositing the latter and washing off the former

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