The Phoblographer on MSN

Why Everyone’s Obsessed With Cyanotypes Right Now

Cyanotype is an alternative process that was invented in 1842 by John Herschel. The photographs, which appear like ‘blue ...
insider.si.edu

Tracings of light : Sir John Herschel & the camera lucida : drawings from the Graham Nash collection / Larry J. Schaaf ; with introductions by Graham Nash and Graham Howe

"This publication was prepared by Curatorial Assistance, Los Angeles." https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full ...