The London prices of bricklayers materials and works, [electronic resource] : both of new buildings and repairs, justly ascertained: and the common exactions and abuses therein detected. Interspersed with Rules for Estimating, Performing and Measuring all Kinds of Plain, Circular, Elliptical, Gothick, Spherical, Spheroidical, Conical and Pyramidical Brick-Works: wherein The Abutments of all Sorts of Arches, And the Manner of Building Brick-Flooring for the Prevention of Fire, is clearly explained. The Whole Arithmetically and Geometrically Demonstrated. Also Illustrated with a great Variety of Designs for Plain and Rusticated Piers, for Gates, Piazzas, &c. In Thirty-Two curious Copper Plates. Written for the Use of Gentlemen, Stewards, and Workmen in general, and particularly for such Landlords and Tenants who are subject to the Repairs of Buildings. By Batty Langley, architect.