Casing Small 234×320 Medium 467×640 Large 748×1024 Download Tiff Original 1753×2400 | (1.5 MB) Description A casing-in machine. a, cases; b, side of case-hopper; c, paste box; d, head clamp rod; e, head clamp. Keywords book machines, book-binder, Bookbinding Galleries Bookmaking Source: The Encyclopedia Britannica, Eleventh Edition (New York: The Encyclopedia Britannica Company, 1910)IV: 220