Spectrologia Opus Magnum A Ioanne Henrico Decker Editum Anno Mdclxxxx Est Tractatus De Spectris Et Apparitionibus Et De Natura Et Proprietatibus Luminis. In Hoc Libro Auctor Describit Differentias Inter Spectris Naturalibus Et Artificiosis Et Explicat Causas Earum. Decker Etiam Tractat De Lumine Eius Natura Et Proprietatibus Et De Modo Quo Lumina Spectris Producuntur. Libro Pleno Est Experimentorum Et Observationum Et Est Opus Fundamentale In Historia Spectrorum Et Luminis.This Book Is In Latin.This Scarce Antiquarian Book Is A Facsimile Reprint Of The Old Original And May Contain Some Imperfections Such As Library Marks And Notations. Because We Believe This Work Is Culturally Important We Have Made It Available As Part Of Our Commitment For Protecting Preserving And Promoting The World'S Literature In Affordable High Quality Modern Editions That Are True To Their Original Work.