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Tidal bore on the Seine river in Paris, France
LKO23A00_013

Tidal bore on the Seine river in Paris, France

Observation by the telescope
LKO22A01_228

Observation by the telescope

Astronome en observation
LKO22A00_407

Astronome en observation

The periscope
LKO07031_200

The periscope

Fridtjof Nansen
LKO09A01_220

Fridtjof Nansen

Fridtjof Nansen
LKO09A01_221

Fridtjof Nansen

Man observing the cathodic light spectrum
LKO09A00_249

Man observing the cathodic light spectrum