Contents.

General—Linear Measures—Square Measures—Cubic Measures—Measures of Capacity—Weights—Combinations—Thermometers.

A Handbook of Electrical Testing. By H. R. Kempe, Assoc, of the Society of Telegraph Engineers. With Illustrations. Fcap. 8vo, cloth, 5s.

Electricity; its Theory, Sources, and Applications. By John T. Sprague, Member of the Society of Telegraph Engineers. With 91 woodcuts and 30 valuable Tables. Crown 8vo, cloth, 8s.

Electro-Telegraphy. By Frederick S. Beechey, Telegraph Engineer, a Book for Beginners. Fcap. 8vo, cloth, 1s. 6d.

Handrailing: by the Square Cut. By John Jones, Staircase Builder. Fourth edition. With seven plates. 8vo, cloth, 3s. 6d.

Spons’ Engineers’ and Contractors’ Illustrated Book of Prices of Machines, Tools, Ironwork, and Contractors’ Material; and Engineers’ Directory. Third edition, 4to, cloth, 6s.

The Gas Consigners Handy Book. By William Richards, C.E. Illustrated. 18mo, sewed, 6d.

A Practical Treatise on Natural and Artificial Concrete, its Varieties and Constructive Adaptations. By Henry Reid, Author of the ‘Science and Art of the Manufacture of Portland Cement.’ With numerous woodcuts and plates, 8vo, cloth, 15s.