Engraving by C. Crabbe.

The head office of the company was located 60 rue Desrenaudes in Paris.

During the Paris Universal Exhibition of 1878, the Mildé, Père et Fils presented a voting machine and a fire alarm, an electric clock, bells, manipulators and indicator boards. They will be rewarded with a silver medal.

They again won a silver medal at the 1881 Paris International Electricity Exhibition.

Charles Mildé will embark on the electrification of cities like Le Havre and even in the design of electric cars!