Louis Daguerre introduced daguerreotypes in 1839.
Nicephore Niepce is credited with inventing the photographic process, but not until 1825 after a few years of trying. The 18th century as you asked, is too early.
Daguerreotype
copper plate coated with silver iodide
Yes, there were methods of making color photographs and color prints in 1912. One of the best known of the early color photo processes was the Autochrome, which used red, green, and blue colored starch grains placed directly on the film emulsion to serve as color filters. The plates were processed to reversal, and produced very fine color. The Autochrome process was introduced in 1907 with the availability of good panchromatic plates, and was the first color photographic process to achieve widespread use.
Telefrancais
Nicephore Niepce is credited with inventing the photographic process, but not until 1825 after a few years of trying. The 18th century as you asked, is too early.
The Frenchman Louis Daguerre invented the daguerreotype, an early photographic process that used a iodine-sensitized silvered plate and mercury vapor to produce photographs. Daguerre made this discovery by accident in 1835, and this photographic process was introduced to the public in 1839.
Daguerreotype
A daguerreotype is a photograph made by an early photographic process. The photo was produced on a silver plate sensitized to iodine and developed in mercury vapor.
W. Boutall has written: 'Recent advances in connection with methods of photographic reproduction' '[Early photo-engraving processes]' 'Technical education in process work ...'
copper plate coated with silver iodide
Ben Franklin.
Leonardo da Vinci - early 1480's
Thomas Edison
That is early is " c'est tôt " in French.
Karl Benz of Germany is considered to be the inventor of a liquid-fueled vehicle. Rudolph Diesel also of Germany, was the inventor of the diesel engine. Some early auto engines were powered by steam.
pictures of calculating devices with their inventors