FANNING, J. T.—A Practical Treatise on Water-Supply Engineering.

Relating to the Hydrology, Hydrodynamics, and Practical Construction of Water-Works in North America. Third edition. With numerous tables and 180 illustrations. 650 pages. 8vo, cloth 5 00

FISKE, Lieut. BRADLEY A., U. S. N.—Electricity in Theory and Practice; or, The Elements of Electrical Engineering.

8vo, cloth 2 50

FOSTER, Gen. J. G., U. S. A.—Submarine Blasting in Boston Harbor, Massachusetts.

Removal of Tower and Corwin Rocks. Illustrated with seven plates. 4to, cloth 3 50

FOYE, Prof. J. C.—Chemical Problems.

With brief Statements of the Principles involved. Second edition, revised and enlarged. 16mo, boards 50

FRANCIS, JAS. B., C. E.—Lowell Hydraulic Experiments:

Being a selection from Experiments on Hydraulic Motors, on the Flow of Water over Weirs, in Open Canals of Uniform Rectangular Section, and through submerged Orifices and diverging Tubes. Made at Lowell, Massachusetts. Fourth edition, revised and enlarged, with many new experiments, and illustrated with twenty-three copperplate engravings. 4to, cloth 15 00