EBONITE – Doesn’t like sun, doesn’t like water, but it’s still my favorite.
From Sid Saperstein the Wahl Nut
Forum Discussion about general care
CELLULOID – Beautiful, but sometimes fragile.
Journal for the American Institute for Conservation
CASEIN – Here is some fun reading on an interesting material.
Vintage Pens – David Nishimura.
GENERAL – Ravens March Covers all the materials.