Welcome to the Digital Library. Our digital library contains 38 keyword-searchable journal issues from two journals. Our newest addition to the library is John Walter's publication, Marks of Industry: a Concise Guide to the Identification of Manufactured Artifacts by Markings. You may read this publication by chapter using the links below: Introduction Chapter 1: Watt and McNaught Chapter 2: Richards Chapter 3: Thompson, enclosed-spring types Chapter 4: Thompson, exposed-spring types Chapter 5: Tabor Chapter 6: Crosby and copies Chapter 7: Micro, optical, spark-trace and peak-pressure types Chapter 8: Continuous recording Search or browse our collection:

Keyword Search the full text of books and journal articles:

Browse for journal articles: The Practical Mechanic and Engineer's Magazine: Mechanics' Magazine, Museum, Register, Journal, and Gazette: