Locomotive construction. Checking the steam pipes for leaks. England, 1946.

**The artist: Jacques Boyer**

From the beginning of the 20th century until the 1950s, Jacques Boyer, photographerand 'scientific promoter' established at 5bis, rue Saint-Paul in Paris, imported, distributed and carried out an important photographic production in the scientific and technical domain (experiments, innovative processes of fabrication, factories & workshops, machines, portraits of scientists). Along with this, he photographed Paris, its daily life, its trades and small crafts for over forty years.