The builder's jewel: or, The youth's instructor, and workman's remembrancer : Explaining short and easy rules, made familiar to the meanest capacity, for drawing and working, I. The five orders-of columns entire; or any part of an order, without regard to the module or diameter. And to enrich them with their rusticks, flutings, cablings, dentules, modillions, &c. Also to proportion their doors, windows, intercolumnations, portico's, and arcades. Together with fourteen varieties of raking, circular, scroll'd, compound, and contracted pediments; and the true formation and accadering of their raking and returned cornices; and mouldings for capping their dentules and modillions. II. Block and cantaliver cornices, rustick quoins, cornices proportioned to rooms, angle brackets, mouldings for tabernacle frames, pannelling, and centering for groins, truss'd partitions, girders, roofs and domes. With a section of the dome of St. Paul's, London. The whole illustrated by upwards of 200 examples, engraved on 100 copper-plates. By B. and T. Langley.