True's beaked whale.jpg

Western spotted skunk

Hooded skunk

Yellow-throated Marten

Wolverine

True's beaked whale.jpg

Western spotted skunk

Hooded skunk

Yellow-throated Marten

Wolverine

Cut & color brass / titanium foil

Detail of lizard scales

Patina Formulas for Brass, Bronze and Copper
Coloring Brass
Brass Coloring from “Henley’s Twentieth Century Formulas Recipes
Processes
Coloring Brass
How to Oxidize Brass and Copper to That Gorgeous Brown Color
Chemical Finishes for Brass, Bronze Extrusions