The hair furnishes protection against extreme and sudden variations of temperature by reason of the fact that hairs are poor conductors of heat, and inclose between them a still layer of air, itself a nonconductor.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
A titanic shell of eight-inch cosmium, a space, with braces of the same nonconductor of heat, cosmium, and a two inch inner hull.
"Invaders from the Infinite"
John Wood Campbell
"It's an absolute nonconductor of heat.
"The Man Who Rocked the Earth"
Arthur Train Robert Williams Wood