Invention
Cyanotype
John Frederick William Herschel
Photographic printing process using iron salts and producing an image in Prussian blue
ByJohn Frederick William Herschel

Related
More to read
Around this
Beyond inventions
🇺🇸Tomato juiceFood
🇨🇭Titania and BottomImage
🇩🇪The Blue RiderImage
🇺🇸The Titan's GobletImage
🇫🇷Triple secFood
🇨🇭Coalbrookdale by NightImage
🇨🇭SenecioImage
🇬🇧The Blue BoyImage
🇫🇷BénédictineFood
🇸🇪Snowy cottageImage
🇩🇪Yellow-Red-BlueImage
🇬🇧Portrait of a Lady in BlueImageWorld tour
Same vibe, elsewhere
🇦🇺Blue PacificImage
🇸🇪Cairn in SnowImage
🇸🇪SunsetImage
🇨🇭Odysseus and CalypsoImage
🇬🇷Cold ShowerImage
🇮🇹VermouthFood
🇬🇷A study of colorsImage
🇨🇭Telemachus and the Nymphs of CalypsoImage
🇸🇪The Sea of IceImage
🇸🇪The Port of GreifswaldImage













