Bibliophile's Bookruler.
Galena, IL: Main Street Fine Books & Manuscripts, 2012. NOT a book, but a unique 18" beveled wooden ruler with metal edge. Inch measurements printed in black and every book size from "Miniature" to "Folio" printed in bold red for instant identification. Varnished for durability. New. Item #35699
Tired of guessing whether that book or document you're holding is 64mo or 48mo? What's the difference between quarto size and small quarto? Whether writing or reading book or autograph catalogs, the "Bibliophile's Bookruler" will save tiresome leafing through glossaries. If ordering 6 or more rulers, call for quantity discount.
Price: $7.95