Geneva, Switzerland

Henry Dunant

Jean Charles Gallisard de Marignac

The Academy of Geneva

"Societé de Lecture"

in a basement laboratory

atomic weights.

Marignac's work

the Parc des Bastions

the new building

the northeast side

the southwest side

Marignac retired

the house where he moved

This is the view

A source of confusion

the home of Marignac

Marignac's home

North of Geneva

Musée d'Histoire des Sciences

original voltaic pile

many voltaic cells in series

an original Crookes tube

Outside the museum

GPS datum-system