The Perspective of Architecture, a Work entirely new; deduced from the Principles of Dr. Brook Taylor, and performed by two Rules of universal Application. Illustrated with 73 Plates. Begun by Command of his present Majesty when Prince of Wales. By Joshua Kirby. Elegantly printed on Imperial Paper. 31. 35. half bound.

The Description and Use of a new Instrument called the Architectonic Sector, by which any Part of Architecture may be drawn with Facility and Exactness. By Joshua Kirby. Illustrated with 25 Plates; elegantly printed on imperial Paper. Half bound, xl. 168. The two Frontispieces, by Hogarth, to Kirby's Perspective, may be had separate, each 5s.

Modern Finishings for Rooms, a Series of Designs for Vestibules, Halls, Stair Cases, Dressing Rooms, Boudoirs, Libraries, aud Drawing Rooms, with their Doors, Chimney Pieces, and other finishings to a large Scale, and the several Mouldings and Cornices at full Size, showing their Construction and relative Proportions: to which are added some Designs for Villas and Porticos, with the Rules for drawing the Columns, &c. at large. The whole adapted for the Use and Direction of every Person engaged in the practical Parts of Building, by W. F. Pocock, Architect, on 86 Plates, quarto, 21. 28. bound.

The Student's Instructor, in drawing and working the Five Orders of Architecture; fully explaining the best Methods of striking regular and quirked Mouldings, for diminishing and glueing of Columns and Capitals, for finding the true Diameter of an Order to any given Height, for striking the Ionic Volute circular and elliptical, with finished Examples, on a large Scale, of the Orders, their Planceers, &c. and some Designs for Door Cases, by Peter Nicholson, engraved on 41 Plates octavo. 10s. 6d. bound. A new Edition corrected and much enlarged.

The Carpenter's New Guide, being a complete Book of Lines for Carpentry and Joinery, treating fully on Practical Geometry, Soffits, Brick and Plaster Groins, Niches of every Description, Sky-lights, Lines for Roofs and Domes, with a great Variety of Designs for Roofs, Trussed Girders, Floors, Domes, Bridges, &c. Stair-cases and Hand-rails of various Constructions. Angle-Bars for Shop Fronts, and Raking Mouldings, with many other Things entirely new: the Whole founded on true Geometrical Principles, the Theory and Practice well explained and fully exemplified on 84 CopperPlates; including some Observations and Calculations on the Strength of Timber, by P. Nicholson, 4to. Il. 1s. the Sixth Edition corrected and enlarged.

The Carpenter and Joiner's Assistant, containing Practical Rules for making all Kinds of Joints, and various Methods of Hingeing them together; for hanging of Doors on strait or circular Plans; for fitting up Windows and Shutters to answer various Purposes, with Rules for hanging them; for the Construction of Floors, Partitions, Soffits, Groins, Arches for Masonry: for constructing Roofs in the best Manner from a given Quantity of Timber; for placing of Bond-Timbers; with various Methods for adjusting Raking Pediments, enlarging and diminishing of Mouldings, taking Dimensions for Joinery, and for setting out Shop Fronts; with a new Scheme for constructing Stairs and Hand-rails, and for Stairs having a conical Well-hole, &c. &c. To which are added, Examples of Various

Roofs executed, with the Scantlings from actual Measurements, with Rules for Mortices and Tenons, and for fixing Iron Straps, &c. Also Extracts from M. Belidor, M. du Hamel, M. de Buffon, &c. on the Strength of Timber, with practical Observations. Illustrated with 79 Plates, and copious Explanations. By Peter Nicholson. Quarto 11. 1s. bound. The third Edition, revised and corrected.

The Practical House Carpenter or Youth's Instructor: containing a great Variety of useful Designs in Carpentry and Architecture; as Centering for Groins, Niches, &c. Examples for Roofs, Sky-lights, &c. The Five Orders laid down by a New Scale. Mouldings, &c. at large, with their Enrichments. Plans, Elevations, and Sections of Houses for Town and Country, Lodges, Hot-houses, Greenhouses, Stables, &c. Design for a Church, with Plan, Elevation, and two Sections; an Altar-piece, and Pulpit. Designs for Chimneypieces, Shop Fronts, Door Cases. Section of a Dining-room and Library. Variety of Stair Cases, with many other important Articles and useful Embellishments. To which is added, a List of Prices for Materials and Labour, Labour only, and Day Prices. The whole illustrated and made perfectly easy by 148 quarto Copper-plates, with Explanations to each. By William Pain. The sixth Edition, with large Additions 18s. bound.

N. B. This is PAIN's last Work.

The Carpenter's Pocket Directory: containing the best Methods of framing Timbers of all Figures and Dimensions, with their several Parts; as Floors, Roofs in Ledgements, their Length and Backings; Trussed Roofs, Spires, and Domes, Trussing Girders, Partitions, and Bridges, with Abutments; Centering for Arches, Vaults, &c. cutting Stone Ceilings, Groins, &c. with their Moulds Centres for drawing Gothic Arches, Ellipses, &c. With the Plan and Sections of a Barn. Engraved on 24 Plates, with Explanations. By W. Pain, Architect and Carpenter. Bound 5s..

The Builder's Complete Assistant, or, a Library of Arts and Sciences, absolutely necessary to be understood by Builders and Workmen in general, viz. 1. Arithmetic, vulgar and decimal, in whole Nubers and Fractions. 2. Geometry, Lineal, Superficial and Solid.

3. Architecture, universal. 4. Mensuration. 5. Plain Trigono. metry. 6. Surveying of Land, &c. 7. Mechanic Powers. 8. Hydrostatics. Illustrated by above Thirteen Hundred Examples of Lines, &c. also Methods for raising heavy Bodies, by the Force of Levers, Pulleys, Axes in Peretrochio, Skrews, and Wedges; as also Water, by the common Pump, Crane, &c. wherein the Properties and Pressure of the Air on Water, &c. are explained. Exemplified on 77 large 4to Plates, by Batty Langley. The fourth Edition, 2 Vols. royal Octavo. Bound 158.

Decorations for Parks and Gardens; Designs for Gates, Garden Seats, Alcoves, Temples, Baths, Entrance Gates, Lodges, Facades, Prospect Towers, Cattle Sheds, Ruins, Bridges, Green-houses, &c. &c. Also a Hot-house, and Hot-wall, with Plans and Scales; neatly engraved on 55 Plates, octavo. 10s. 6d. sewed.

Designs in Architecture consisting of Plans, Elevations, and Sections for Temples, Baths, Cassinos, Pavilions, Garden Seats, Obelisks, and other Buildings; for decorating Pleasure-grounds, Parks, Forests, &c. &c. by John Saane. Engraved on 38 Copper-plates, 8vo. Sewed 6s..

Grotesque Architecture, or Rural Amusement; consisting of Plans, and Elevations, for Huts, Hermitages, Chinese, Gothic and Natural Grottos, Moresque Pavillions, &c. many of which may be executed with Flints, irregular Stones, rude Branches and Roots of Trees; containing 28 Designs, By W. Wright, Octavo. Sewed, 4s. 6d.

Ideas for Rustic Furniture, proper for Garden Chairs, Summer Houses, Hermitages, Cottages, &c. engraved on 25 Plates, Octavo. Price 4s.

Designs for Gates and Rails, suitable to Parks, Pleasure-Grounds Balconies, &c. Also some Designs for Trellis Work. On 27 Plates. By C. Middleton. Octavo, 68.

The

A New Book of Ornaments; containing a Variety of elegant Designs for modern Pannels, commonly executed in Stucco, Wood, or Painting, and used in Decorating principal Rooms. Drawn and etched by P. Columbani. Quarto. Sewed, 7s. 6d.

A Variety of Capitals, Frizes, and Cornices; how to increase or decrease them, still retaining the same Proportion as the Original. Likewise 1 Designs for Chimney-pieces. On 12 Plates, drawn and etched by P. Columbani. Folio, Sewed, 6s.

The Principles of Drawing Ornaments made easy, by proper Examples of Leaves for Mouldings, Capitals, Scrolls, Husks, Foliage, &c. Engraved in Imitation of Drawings, on 16 Plates, with Instructions for learning without a Master. Particularly useful to Carvers, Cabinet makers, Stucco-workers, Painters, Smiths, and every one concerned in Ornamental Decorations. By an Artist. Quarto. Sewed, 4s. 6d.

Ornamental Iron Work, or Designs in the present Taste, for Fanlights, Stair-Case Railing, Window Guard irons, Lamp-Irons, Palisados, and Gates. With a Scheme for adjusting Designs with Facility and Accuracy to any Slope. Engraved on 21 Plates. Quarto. Sewed 6s.

A new Book of Ornaments, by S, Alken, on 6 Plates, sewed, 2s. 6d.

Law's new Book of Ornaments. Sewed, 2s.

A Book of Vases, by T. Law. Sewed, Is.

A Book of Vases, by P. Columbani. Sewed, 2s.

A new Book of Eighteen Vases, Modern and Antique, as:
A Book of Vases from the Antique, on 12 Plates, 2s.

An interior View of Durham Cathedral, and a View of the elegant
Gothic Shrine in the same. Elegantly engraved on two large Sheets.
Size 19 by 22. The Pair 128.

An exterior and interior View of St. Giles's Church in the Fields, engraved by Walker. Size 18 Inches by 15. The Pair 5s.

a Complete Account of the Canals already executed in England; with Considerations on those projected, to which are added, Practical Observations. A new Edit. Octavo 10s. 6d. Boards.

A Map of England, shewing the Lines of the Canals executed, those proposed, and the navigable Rivers, coloured. On a large Sheet, 5s.

A Treatise on the Improvement of Canal Navigation, exhibiting the numerous Advantages to be derived from Small Canals and Boats of two to five Feet wide, containing from two to five Tons Burthen; with a Description of the Machinery for facilitating Conveyance by Water, through the most mountainous Countries, independent of Locks and Aqueducts; including Observations on the great Importance of Water Communications; with Thoughts on, and Designs for, Aqueducts and Bridges of Iron and Wood. By R. Fulton, Engineer. With 17 Plates. Quarto Boards, 18s.

Observations on the various Systems of Canal Navigation, with Inferences practical and mathematical, in which Mr. Fulton's Plan of Wheel Boats, and the Utility of subterraneous and small Canals are particularly investigated; including an Account of the Canals and inclined Planes of China, with 4 Plates. By W. Chapman, Civil Engineer. Quarto. 6s. sewed.

Remarkable Ruins and Romantic Prospects of North Britain, with ancient Monuments and singular Subjects of Natural History, by the Rev. C. Cordiner, of Banff, with 100 Plates, elegantly engraved by Mazell. 2 Vols. Quarto. 51. 5s. Boards..

A new Collection of 100 Views in Rome and its Vicinity, neatly engraved by Pronti, Quarto, Price 11. 18.

A Treatise on Painting, by Leonardo da Vinci. Faithfully translated from the original Italian, and now first digested under proper Heads, By J. F. Rigaud, Esq. R. A. Illustrated with 23 Copper Plates and other Figures. To which is prefixed, a new Life of the Author, drawn up from authentic Materials till now inaccessible, by 7. S. Hawkins, Esq. F. A. S. Octavo; 9s. 6d. Boards; on Royal Paper, 13s. 6d. Boards.

A COLLECTION of DESIGNS for Household Furniture and interior Decoration, in the most approved and elegant Taste, viz. Curtains, Draperies, Beds, Cornices, Chairs and Sofas for Parlors, Libraries, Drawing Rooms, &c. Library Fauteuils, Seats, Ottomans, Chaise Longue, Tables for Libraries, Writing, Work, Dressing, &c. Sideboards, Celerets, Book-cases, Screens, Candelabri, Chiffoniers, Commodes, Pier Tables, Wardrobes, Pedestals, Glasses, Mirrors, Lamps, Jardiniers, &c. with various Designs for Rooms, Geometrical and in Perspective, shewing the Decorations, Adjustment of the Furniture, and also some general Observations, and a Description of each Plate. By GEORGE SMITH, Upholder Extraordinary to his Royal Highness the Prince of Wales. Elegantly engraved on 158 Plates, with Descriptions. Royal Quarto, Price 41. 14s. 6d. in Boards, and elegantly coloured 71. 17s. 6d.

The Parts may be had Separate, each containing 50 Plates, price 11. 115. 6d. each, or elegantly coloured 21. 12s. 6d.

Designs for Household Furniture, exhibiting a Variety of Elegant and Useful Patterns, in the Cabinet, Chair, and Upholstery Branches. By the late T. Sheraton. Engraved on 84 Folio Plates, Price 31. 13s. 6d. in Boards.

Mechanical Exercises; or, the Elements and Practice of Carpentry, Joinery, Bricklaying, Masonry, Slating, Plastering, Painting, Smithing, and Turning. Containing a full Description of the Tools belonging to each Branch of Business, and copious Directions for their Use: with an Explanation of the Terms used in each Art, and an Introduction to Practical Geometry. Illustrated by 39 Plates. By Peter Nicholson. Octavo, 18s. Boards, 21s. Bound.

Practical Essays on Mill-Work, and other Machinery, Mechanical and Descriptive, illustrated by numerous Plates, and other Figures, Octavo. By Robertson Buchanan, Civil Engineer.

Essay I. On the Teeth of Wheels, comprehending Principles, and their Application in Practice, to Mill-work, and other Machinery, with numerous Figures, and One large Plate, Price 6s. in Boards. Essay II. On the Shafts of Mills; containing their Description and Use, with the Kinds of Stress to which they are are subject, and an Inquiry into their Stiffness, Strength, Durability and Proportion. With a Variety of useful Tables. Also an introductory Account of the Progress and improvement of MILL-WORK. Illustrated with Three Plates, Price 7s. Boards.

Essay III. to VII. On the Construction and Durability of the Longitudinal Connexions of Shafts denominated Couplings.-On Methods of Disengaging and Re-engaging Machinery, while in Motion.-On Mechanism for Equalizing the Motion of Mills, denominated Lift-Tenters, Engine Governors, and Water-Wheel Governors.-On the Velocity of Water-Wheels.-On_Changing the Velocity of Machinery while in Motion.-On the Framing of Mill-Work. Illustrated with 15 Plates, Price 12s. in Boards. N. B. These Essays may be had uniformly done up under the Title of Buchanan's Essays, 3 Vols. Price 11. 5s.

Curr's Coal Viewer and Engine Builder's Practical Companion. Quarto 21. 12s. 6d.

Smeaton's Experiments on Under-shot and Over-shot Water Wheels, &c. Octavo, with five Plates, 10s. 6d. Boards.

Experimental Enquiries concerning the Principle of the lateral Communication of Motion in Fluids; applied to the Explanation of various Hydraulic Phenomena. By J. P. Venturi, Translated from the French, by W. Nicholson, with Plates, 4s.

A Treatise on the Teeth of Wheels, Pinions, &c. demonftrating the best Form which can be given them for the various Purposes of Machinery; such as Mill-work, Clock-work, &c, and the Art of finding their Numbers, translated from the French of M. Camus, with Additions, illustrated by 15 Plates, Octavo, 10s. 6d.