April 2014 News

YUAG 1936.45 Visible light, painted limestone relief depicting Maat. Vial of Egyptian blue pigment on the left. (photo credit: Jens Stenger)

Ancient Pigment, New Discoveries: Egyptian Blue

April 25, 2014
Ancient Pigment, New Discoveries: Egyptian Blue By Megan Salas, IPCH Research Assistant The pigment known as “Egyptian blue” (CaCuSi4O10)[1] is the oldest manmade pigment and...
Sailors’ Rights Flask (Turtle Whimsy), 1815–30, Mold-blown glass, YUAG

Service Request form is back!

April 7, 2014
The online sample submission form is back in working order. Please commence submitting analysis requests via this process. Thank you for your patience while the matter was...
Insectes: 20 planches en phototypie coloriées au patron donnant 80 insectes et 16 compositions décoratives by Eugène Alain Séguy

Stephens presents "Conservation Principles as Applied to Exhibitions" at the Beinecke

April 7, 2014
Dr. Catherine Stephens, senior conservation scientist at Yale’s IPCH, will use examples found in the BLUE: COLOR & CONCEPT exhibit to highlight categories of...