 In 1910 Arthur Roussel was hired to build a machine that would enable the public to view a film inside their home.Pathé Frères introduced a 28 mm film size for home use.28 mm diacetate film was preferable for non-professional use because it was not flammable like 35 mm film with a nitrate base, and usage of the 28 mm film also gave Pathé Frères exclusivity, by way of patents.