20 January 1818Shield Compartment Principle PatentedMarc Isambard Brunel
Brunel patents a tunnelling shield divided into protected working compartments, allowing excavation and brick lining to advance together.
Historical records for France in 1818, rendered directly from the World History Database and ordered by month, day and event.
Brunel patents a tunnelling shield divided into protected working compartments, allowing excavation and brick lining to advance together.
Strengthens the transverse-wave interpretation of light.
Discovers hydrogen peroxide while studying barium compounds.
Publication of "LEglise Gallicane"
Identifies a reactive oxygen compound important in chemistry and medicine.
Created Duke of Reichstadt
Created Duc de Reichstadt by Metternich
Presents a mathematical wave theory explaining optical diffraction.
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