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Sonnenspectrum, Representation of the solar spectrum, page, photomechanical print, number: 'Tafel
LZT26A81_210

Sonnenspectrum, Representation of the solar spectr...

Different phases of a falling drop, Specimen des photographies d'une goutte d'eau obtenues par M.Ch
LZT26B03_261

Different phases of a falling drop, Specimen des p...