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15 Jan 1842 Jahr - Cyanotype

Beschreibung:

The Cyanotype is invented by Sir John Herschel A sheet of paper is brushed with iron salt solutions and dried in the dark. An object is then placed on the sheet in direct sunlight. After about 15 minutes a white impression of the subject formed on a blue background.

Zugefügt zum Band der Zeit:

24 Jul 2018

Datum:

15 Jan 1842 Jahr
Jetzt
~ 182 years ago

Abbildungen: