The Evolution of French Technology, Artistry, and Scientific Observation During the 19th Century: The Reason the French Government Was Slow to Adopt the Technology of the Steam Engine During the 19th Century, the Reason Railway Lines Were Illegal Within France Until 1842, the Reason Impressionist Artists Utilized Black and/or Dark Blue Smocks During the Late 19th Century, the Reason Impressionist Artists Utilized Tweed Parasols (Sun Shade Umbrella), the Traditional Material Utilized to Manufacture Paint Brushes and the Novel Material Developed During the 19th Century, the Reason Weasel Fur is Suitable for Most Types of Artwork, the Animal Fur Required for Paint Brushes Upon Glossy and/or Shiny Surfaces, the Difficulty of Utilizing Pig Fur Paint Brushes, the Characteristic of Pig Fur Paint Brushes, the Length of the River Seine, the Etymology of “Seine”, the Locations the Ancient Roman Gallo (Romanized Celts From Gaul Which is France, Belgium, Luxembourg, Most of Switzerland, and Parts of Northern Italy) Resided, the Most Painted River in History, the Person Who Developed Stereoscopic Vision Technology, No Human Being Questioning Why Human Beings Have Dual Eyes Until the Mid 19th Century, the Person Who Created the Pseudoscope (Depth Reversing Viewer), the Effect of Utilizing the Pseudoscope, and How the Pseudoscope Inverts the Orientation of the Observer