With a title as intriguing as "Salz Culbertson pencil," I had to bid on this one . . .
NOTE: This article is now included in the print version of The Leadhead's Pencil Blog, available anywhere you buy books, or also from The Legendary Lead Company.
To order, here's the link: Volume 1 at Legendary Lead Company
3 comments:
Note that cellulose acetate and celluloid are two different materials. Celluloid is cellulose nitrate plasticized with camphor.
Informative and easy to understand enhances my knowledge a lot...
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