![Huge Refracting Telescope in Palais de l'Optique (Larger image) | Expositions, where the modern technology of the times was exhibited. Huge Refracting Telescope in Palais de l'Optique (Larger image) | Expositions, where the modern technology of the times was exhibited.](https://www.ndl.go.jp/exposition/images/L/671l.jpg)
Huge Refracting Telescope in Palais de l'Optique (Larger image) | Expositions, where the modern technology of the times was exhibited.
![Póster francés Vintage Exposición Universal, La Grande Lunette de 1900, Palais de l'Optique Fotografía de stock - Alamy Póster francés Vintage Exposición Universal, La Grande Lunette de 1900, Palais de l'Optique Fotografía de stock - Alamy](https://c8.alamy.com/compes/2ngx45d/poster-frances-vintage-exposicion-universal-la-grande-lunette-de-1900-palais-de-l-optique-2ngx45d.jpg)
Póster francés Vintage Exposición Universal, La Grande Lunette de 1900, Palais de l'Optique Fotografía de stock - Alamy
![La Lune à un mètre!' (The Moon at One Meter!) 1900 poster showing the 'Grande Lunette' (the world's largest refracting telescope) installed in the Palace of Optics at the 1900 Exposition Universelle La Lune à un mètre!' (The Moon at One Meter!) 1900 poster showing the 'Grande Lunette' (the world's largest refracting telescope) installed in the Palace of Optics at the 1900 Exposition Universelle](https://c8.alamy.com/comp/2G6GF9Y/la-lune-un-mtre!-the-moon-at-one-meter!-1900-poster-showing-the-grande-lunette-the-worlds-largest-refracting-telescope-installed-in-the-palace-of-optics-at-the-1900-exposition-universelle-in-paris-with-the-image-of-the-moon-with-a-face-projected-on-a-screen-inspired-by-georges-mlis-1898-film-of-the-same-name-artwork-by-louis-abel-truchet-1857-1918-credit-private-collection-af-fotografie-2G6GF9Y.jpg)