''Memoir Of The Life Of Major-General Colby: Together With A Sketch Of The Origin And Progress Of The Ordnance Survey Of Great Britain'' is a biographical work written by Joseph Ellison Portlock. The book provides a detailed account of the life of Major-General Colby, a prominent figure in the military and cartography world during the 19th century. The memoir delves into Colby’s early life, his military career, and his contributions to the Ordnance Survey of Great Britain, which was responsible for mapping and surveying the country. The book also includes a sketch of the history and development of the Ordnance Survey, providing insight into the organization’s significance and impact on Great Britain. The memoir is a valuable resource for those interested in the history of cartography, military history, and the development of Great Britain.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world’s literature in affordable, high quality, modern editions, that are true to their original work.