THE CARPENTER’S NEW GUIDE; or, Book of Lines for Carpenters, founded on the late Peter Nicholson’s standard work. A New Edition, revised by Arthur Ashpitel, Arch. F.S.A.; together with Practical Rules on Drawing, by George Pyne, Artist. With 74 Plates, 4to. price £1 1s. cloth.

TREATISE on the STRENGTH of TIMBER, CAST IRON, MALLEABLE IRON, and other Materials. By Peter Barlow, F.R.S. V.S., Hon. Mem. Inst. C.E., &c. A New Edition, by J. F. Heather, M.A., of the Royal Military Academy, Woolwich, with Additions by Prof. Willis, of Cambridge. With Nine Illustrations, 8vo. 16s. cloth.

MATHEMATICS for PRACTICAL MEN; being a Commonplace Book of Pure and Mixed Mathematics, for the Use of Civil Engineers, Architects, and Surveyors. By Olinthus Gregory, LL.D. Enlarged by Henry Law. Fourth edition, revised, by J. R. Young, Author of ‘A Course of Mathematics,’ &c. With 13 Plates, 8vo. £1 1s. cloth.

THE LAND VALUER’S BEST ASSISTANT, being Tables on a very much improved Plan, for Calculating the Value of Estates. By R. Hudson, Civil Engineer. New Edition, with Additions and Corrections, 4s. bound.

A MANUAL of ELECTRICITY. Including Galvanism, Magnetism, Dia-Magnetism, Electro-Dynamics, Magno-Electricity, and the Electric Telegraph. By Henry M. Noad, Ph.D., F.C.S., Lecturer on Chemistry at St. George’s Hospital. Fourth Edition, entirely re-written, illustrated by 500 Woodcuts, 8vo. £1 4s. cloth. Sold also in Two Parts: Part I. Electricity and Galvanism, 8vo. 16s. cloth. Part II. Magnetism and the Electric Telegraph, 8vo. 10s. 6d. cloth.

DESIGNS and EXAMPLES of COTTAGES, VILLAS, and COUNTRY HOUSES. Being the Studies of Eminent Architects and Builders, consisting of Plans, Elevations, and Perspective Views; with approximate Estimates of the cost of each. 4to. 67 Plates, £1 1s. cloth.

THE APPRAISER, AUCTIONEER, and HOUSE-AGENT’S POCKET ASSISTANT. By John Wheeler, Valuer. 24mo. cloth boards, 2s. 6d.

PRACTICAL RULES on DRAWING, for the Operative Builder, and Young Student in Architecture. By George Pyne, Author of ‘A Rudimentary Treatise on Perspective for Beginners.’ With 14 Plates, 4to. 7s. 6d. boards.

New Book by one of the Contributors to ‘The Reason Why’ Series, and Assistant Editor of ‘The Dictionary of Daily Wants.