The mirror of architecture: or The ground-rules of the art of building, exactly laid down by Vincent Scamozzi, master-builder of Venice. Whereby the principal points of architecture are easily and plainly demonstrated for the benefit of all lovers and ingenious practitioners in the said art. With the description and use of a joynt-rule, fitted with lines for the ready finding the lengths and angles of rafters, and hips, and collar-beams, in any square or bevelling roof at any pitch; and the ready drawing the architrave, frieze, and cornice in any order. With other useful conclusions by the said rule. By John Brown. The fourth edition. Whereunto is added a compendium of the art of building. Giving a brief account of the names, natures, and rates of all the materials, belonging to the erection of an edifice: and what quantity of each sort will be needful for the building of any house. Whereby estimates, valuations and contracts may be made between builder and workman, without damage to e [electronic resource]