According to documentation, this machine was an experimental model of inventor Dorr E. Felt and never led to any patent or product. The coloring of the keys resembles that on Comptometer MA.248688, ...

Vincent van Gogh, Sunflowers, 1888. Collectie: Neue Pinakothek, München Vincent van Gogh, Sunflowers, 1888. Collectie: National Gallery, Londen Vincent van Gogh, Sunflowers, 1889. Collectie: Van Gogh ...

From 30 November 2024 until 5 May 2025 this painting is on view in the exhibition How Van Gogh Came to Groningen at the Groninger Museum. The olive groves around Saint-Rémy were a rewarding subject ...