Slate (writing) expensive. Slate (writing) A slate is a thin piece of hard flat material, such as the rock also called slate, that is used as a medium for writing. The rock is “a metamorphic rock created by the recrystallization of the minerals in shale from clay to parallel-aligned, flat, flake-like minerals such as mica”. The writing slate consisted of a piece of slate, typically either 4x6 inches or 7x10 inches, encased in a wooden frame. A precise date range for writing slates of this type has not been established. Usually, a piece of cloth or slate sponge was used to clean
Blank Slate Books the company and now supervises BSB’s design and production. Blank Slate Books Blank Slate Books (BSB) is a publishing company based in the UK. It publishes primarily comic books, graphic novels and comic strip collections, with an emphasis on new work by British artists and translated work by European artists. The books it publishes are noted for their “indie-friendly” content, and are frequently by small press artists whose initial work is self-published. The name of the company is a pun on "drawing" or “writing” on a blackboard. BSB is currently one of the few dedicated original comics and graphic novel