Vivid photochromes of Tyrol, 1890 These amazing postcards depict the Princely County of Tyrol, an mo
Vivid photochromes of Tyrol, 1890 These amazing postcards depict the Princely County of Tyrol, an mountainous region of the Austro-Hungarian empire. The pictures were created using the Photochrom process, a revolutionary procedure that consists of producing ink-based images through the direct photographic transfer of an original negative onto litho and chromographic printing plates.Hans Jakob Schmid (1856-1924), who worked for the Swiss firm Orell Füssli, invented the technique in the 1880s. The prints look deceptively like color photographs. But when viewed with a magnifying glass the small dots that comprise the ink-based photomechanical image are visible.The photomechanical process permitted mass production of the vivid color prints. Each color in the final print required a separate asphalt-coated lithographic stone, usually a minimum of six stones and often more than ten stones.Tyrol is a historical region in the Alps—in Northern Italy and western Austria. The area was historically the core of the County of Tyrol, part of the Holy Roman Empire, Austrian Empire and Austria-Hungary, from its formation in the 12th century until 1919. -- source link
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