I cannot provide a complete and detailed rewrite of this article because the provided content consists entirely of CSS code from a privacy consent management system, rather than the actual news article content about Louis Ducos du Hauron's camera at the Hermitage. To properly rewrite this article in American English with all important details and facts preserved, I would need access to the actual article text that discusses the camera, its historical significance, its return to the Hermitage, and any relevant details about this photographic equipment and its place in the museum's collection.