Illinois State Geological Survey: Industrial Minerals Notes 44: Analyses of Some Illinois Rocks for Gold

jacket : Sometimes used as another term for dust jacket, a protective and often decorative wrapper, usually made of paper which wraps around the binding of a book

tight : Used to mean that the binding of a book has not been overly loosened by frequent use.

4to : Or quarto. A term used generally to describe the approximate size of a book, a book that is about 10" to 12" tall and roughly squarish in shape. The term is based on the size of paper traditionally used by book printers which has been folded and cut into 16 pages.

bumped : Indicates that the affected part of the book has been impacted in such a way so as to cause a flattening, indention, or light bending.