A Theoretical and Practical Treatise on the Five Orders of Architecture: Containing the Most Plain and Simple Rules for Drawing and Executing Them in the Purest Style; with the Opinions of Sir William Chambers, and Other Eminent Architects, Both Ancient and Modern ... Including an Historical Description of Gothic Architecture, Showing Its Origin, and Also a Comparison of the Gothic Architecture of England, Germany, France, Spain, and Italy; Together with Details of the First, Second, and Third Periods of the Pointed Arch, Or Gothic Style ... To which are Added ... Treatises on Projection, Perspective, Fractions, Decimal Arithmetic, &c. Concluding with an Index and Glossary of the Terms of Art, &c, Volume 3