The Sentinel: A History of Alley & MacLellan and the Sentinel Waggon Works Volume One: 1875–1930, by W. J. Hughes and Joseph L. Thomas. This hardback volume documents the early history of Alley & MacLellan and the development of the Sentinel Waggon Works, covering steam road vehicles and industrial engineering from the late 19th century to 1930. The book includes illustrations and photographs throughout. Condition Signs of age present, including page yellowing and minor marks/blemishes Dust jacket has been taped to the hard cover by a previous owner (see photos) No major structural damage Pages are untorn and complete Binding is fully intact Hardback boards are sound A solid reference copy with cosmetic age‑related wear and an altered dust jacket, clearly shown in the images.