This volume investigates the scientific contributions and technical writings of the 14th-century mathematician and astronomer Richard of Wallingford. J. D. North, a scholar of the history of science, provides a comprehensive critical edition of Wallingford's original manuscripts. By pairing the Latin texts with English translations and detailed commentary, North establishes a framework for understanding the development of medieval horological and astronomical instruments. The work serves as a primary resource for analyzing the intersection of monastic life and early scientific inquiry.

Experts in the history of science and medieval studies recognize this volume as a foundational reference for the study of Wallingford's work. Readers frequently note the academic density of the prose and the meticulous nature of the editorial apparatus provided by North.