Illuminated from the inside with electric lighting, the turret featured stained glass windows and decorative windmill sails.

El Molino and Galería Güemes were two of Gianotti's greatest works and represent important examples of Art Nouveau style architecture in Buenos Aires.

Cayetano Brenna died in 1938 and Renato Varesse took over the business until 1950, when Antonio Armentano appeared, who in turn sold the goodwill in 1978.

The café was closed on 23 February 1997 and, neglected by its owners and abandoned in general, it slowly deteriorated until it was evident considerable restoration efforts were needed to salvage the building.

Plans include the restoration of the building and reopening of the namesake café, as well as the creation of a museum of early 20th century life in Buenos Aires.