Lectures on Architecture: Consisting of Rules Founded Upon Harmonic and Arithmetical Proportions in Building is a book written by Robert Morris in 1734. The book is a collection of lectures on the principles of architecture, with a focus on the use of harmonic and arithmetical proportions in building design. Morris provides a detailed explanation of how these proportions can be used to create buildings that are aesthetically pleasing and structurally sound. The book covers a range of architectural topics, including the design of columns, arches, and vaults, as well as the use of light and shadow in building design. Morris also includes examples of buildings that demonstrate the principles he discusses, such as the Pantheon in Rome and St. Paul's Cathedral in London. Overall, Lectures on Architecture is a valuable resource for anyone interested in the principles of classical architecture and the use of proportion in building design.In Two Parts.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.