Beautiful hand-crafted color postcards of 1890s Ireland

These postcards of the sweeping hills, cliffs, and towns of Ireland were created using the Photochrom process, a complex method of imbuing black-and-white photographs with relatively realistic color.

The closely-guarded process was invented in the 1880s by an employee of a Swiss printing company. It entailed coating a tablet of lithographic limestone with a light-sensitive emulsion, then exposing it to sunlight under a photo negative.

After several hours, the emulsion would harden in proportion to the tones of the negative, leaving a fixed lithographic image on the stone.

Additional litho stones would then be produced for each tint to be used in the final color composite — a single image could require well over a dozen different tint stones.

Though delicate and time-consuming, the Photochrom process resulted in color images of striking verisimilitude for a time when true color photography was in the earliest stages of development.

See the beautiful hand-colored images below:

33 PHOTOS
Hand colored photos of Ireland from 1890
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Hand colored photos of Ireland from 1890
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
Photo Credit: Library of Congress 
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