The article discusses the economic and practical aspects of electrification in railway systems, noting that while many engineers support it, the author believes the case for electrification could be stronger. It also mentions a theorem about the optimal location for a power house, which has been proven incorrect. This review praises a new textbook on animal nutrition by Prof. T. B. Wood, published by the Cambridge Research Institute. The book is seen as a significant step forward in British agricultural science, offering practical advice for both students and farmers. While the text is elementary, it includes detailed experimental work and innovative methods like "rationing by performance" for fattening animals. The book is well-produced and affordable, making it a valuable resource for agricultural students and practitioners. This review highlights a book on clockmaking by G. F. C. Gordon, which provides a systematic overview of materials, tools, and mechanisms used in clock-making. The book includes detailed plates illustrating various clock components and offers advice on restoration and repairs. It also includes a bibliography of clock-related literature and suggests improvements for British clocks exported abroad. This review introduces a diary kept by Prof. Chester S. Lyman during his travels to the Sandwich Islands and California in the mid-19th century. The diary offers valuable insights into the people and conditions of the time, with a focus on the volcano of Kilauea. While the scientific content is limited, the descriptive matter is vivid and includes many interesting illustrations.The article discusses the economic and practical aspects of electrification in railway systems, noting that while many engineers support it, the author believes the case for electrification could be stronger. It also mentions a theorem about the optimal location for a power house, which has been proven incorrect. This review praises a new textbook on animal nutrition by Prof. T. B. Wood, published by the Cambridge Research Institute. The book is seen as a significant step forward in British agricultural science, offering practical advice for both students and farmers. While the text is elementary, it includes detailed experimental work and innovative methods like "rationing by performance" for fattening animals. The book is well-produced and affordable, making it a valuable resource for agricultural students and practitioners. This review highlights a book on clockmaking by G. F. C. Gordon, which provides a systematic overview of materials, tools, and mechanisms used in clock-making. The book includes detailed plates illustrating various clock components and offers advice on restoration and repairs. It also includes a bibliography of clock-related literature and suggests improvements for British clocks exported abroad. This review introduces a diary kept by Prof. Chester S. Lyman during his travels to the Sandwich Islands and California in the mid-19th century. The diary offers valuable insights into the people and conditions of the time, with a focus on the volcano of Kilauea. While the scientific content is limited, the descriptive matter is vivid and includes many interesting illustrations.