Very nice, thank you. Tangent: "Originally, they used stone lithography for their illustrations. A single four-color illustration required four slabs of Bavari

Very nice, thank you. Tangent: "Originally, they used stone lithography for their illustrations. A single four-color illustration required four slabs of Bavarian limestone that weighed up to two hundred pounds apiece." (Stone stone-writing stimulates my department of redundancy department ...)