!
Lithographic crayon, from Stones Crayons, various shapes
|
|
Lithographic crayon is made of:
The proportions of these components depend on the hardness of the crayon. Shellack is not present in the greasy and soft crayons. Lithographic crayon is normally available in five different hardnesses. The lower the number, the greasier and the softer. |
 |
 |
 |
 |
