Eprouvettes: a comprehensive study of early devices for the testing of gunpowder is the first detailed survey of eprouvettes (or powder-testers) ever attempted in a single volume. The author is a collector of over thirty years' standing, and his research has encompassed museums, private collections, sale catalogues and published sources. A survey of gunpowder testing through the ages precedes a proposal for an eprouvette typology, and the core of the book is an illustrated survey of types. Experimental data is also included based on firings carried out by the author. A series of useful appendices includes a listing of over 700 eprouvettes.