Tintypes, originally known as or ferrotypes or melainotypes, were invented in the 1850s and continued to be produced into the 20th century. The photographic emulsion was applied directly to a thin sheet of iron coated with a dark lacquer or enamel, which produced a unique positive image.

Who invented the Ferrotype process?

Daguerreotype, first successful form of photography, named for Louis-Jacques-Mandé Daguerre of France, who invented the technique in collaboration with Nicéphore Niépce in the 1830s.

When was photography invented?

Centuries of advances in chemistry and optics, including the invention of the camera obscura, set the stage for the world's first photograph. In 1826, French scientist Joseph Nicéphore Niépce, took that photograph, titled View from the Window at Le Gras, at his family's country home.