Photochrom, Fotochrom, Photochrome or the Aäc process is a process for producing colorized images from a single black-and-white photographic negative...

needed] When chromolithography is used to reproduce photographs, the term photochrome is frequently used. Lithography is a method of printing on flat surfaces...

Zwinger park and memorial photochrome print around 1895...

Photochrome print of the Castle and pier, 1890–1900...

reproduce colours, variously known as direct photochromes, interference photochromes, Lippmann photochromes, Photography in natural colours by direct exposure...

with surroundings seen from Gimlehøyden Oscarshall and Frognerkilen on photochrome from the 1890s «Hilsen fra Christiania»; Skating nisser in Frognerkilen...

The Great Globe, Durlston Country Park (1890s photochrome)...

he demanded high quality images and paid his employee high wages, the Photochrome Engraving Company rarely made a profit. In late 1892, Stieglitz bought...

The beach, bathing machines and Kursaal c 1900s. Photochrome...

others. One of the oldest, and perhaps the most studied, families of photochromes are the spiropyrans. Very closely related to these are the spirooxazines...

Photochrome print created around 1900 for sale as a souvenir...

Photochrome postcard of Frutigen...

Photochrome postcard showing the glass-bottom boats at Paradise Park...

Photochrome of the Aare and Thun Castle from 1900...

Photochrome print from around 1900...

several others in a group. Isotopic compounds play an important role as photochromes, described below. Biosensors are attached to a substance of interest...

colorization Hand-coloring (easily mistaken for early color photography) Photochrome Photographic processes Potassium ferricyanide The Shackleton Expedition...

Dejanova Pećina, primary outlet in the Trebišnjica wellspring system - photochrome cca 1890 Location Bileća, Bosnia and Herzegovina Coordinates 42°51′52″N...

HMY Osborne photochrome print, circa 1895 History United Kingdom Name HMY Osborne Owner Her Majesty's Government Operator Royal Navy Builder Pembroke...

spiropyran: fundamentals and progress of an extraordinarily versatile photochrome" (PDF). Chemical Society Reviews. 48 (12): 3406–3424. doi:10.1039/C9CS00203K...

postcards were printed in three colour chromolithography, a system called photochrome, with the indication Photochromiekarte. The company was printing not...

monument to Nicholas I of Russia in St. Petersburg, late 19th century photochrome print. The monument to Nicholas I of Russia, modern view. The monument...

Lindenhof as seen from Kempraten on a photochrome of 1899...

Shakespeare Cliff, Dover, photochrome print...

Historic photochrome of the beach and Clarence Pier....

Piazza Regina with the Queen Victoria statue, as depicted in a photochrome print from the early 1900s...

spiropyran: fundamentals and progress of an extraordinarily versatile photochrome". Chemical Society Reviews. 48 (12): 3406–3424. doi:10.1039/C9CS00203K...

Retrieved 30 December 2014. The Week-end Review. Vol. 6. 1932. p. 231. Photochrome colour photograph of the head, made between 1890 and 1900 Milner's Tower...

Lindenhof in Rapperswil as seen from Kempraten on an 1899 photochrome, Kempratnerbucht in the foreground....

1898–1919. Modern 'chromes' are color photographs and thus differ from photochromes generated from black and white photographs before c. 1915. Picture postcards...