""An Attempt To Define The Geometric Proportions Of Gothic Architecture: As Illustrated By The Cathedrals Of Carlisle And Worcester"" is a book written by Robert William Billings in 1840. The book explores the principles of Gothic architecture, with a focus on the cathedrals of Carlisle and Worcester. Billings attempts to define the geometric proportions used in Gothic architecture, providing detailed analysis and diagrams of the cathedrals' structures...