Daguerreotypes:Daguerreotypes were the first widely used form of photography, invented by Louis-Jacques-Mandé Daguerre in the 19th century. They involved capturing images on a silver-coated copper plate through a complex chemical process.
Cyanotype: A photographic printing process that produces blue-tinted images using light-sensitive chemicals.
Photogram: An image created by placing objects directly onto photosensitive materials and exposing them to light.