173 Illustrations. 8vo cloth, 272 pp. (Van Nostrand's Westminster Series.) Net, $2.00
4 x 6 1/2, cloth, 107 pp Net, $1.50
Third Edition. Illustrated. 8vo., cloth, 160 pp Net, 1.50
Third Edition. 167 illustrations. 5 1/2 x 7 1/2, cloth, 236 pp Net, $1.50
Translated by C. Rodgers. 47 illustrations. 6 x 8,, cloth, 145 pp. Net, $3.00
With an Appendix on the Method of Least Squares. Illustrated. 12mo., cloth, 94 pp $1.00
Berlin, 1827. Translated by William Francis. With Preface and Notes by Thos. D. Lockwood. Second Edition. Illustrated. 16mo., cloth, 269 pp. (No. 102 Van Nostrand's Science Series.) 50 cents
(The Ward Leonard System.) 13 illustrations. 12mo., paper, 27 pp. (U. S. Navy Electrical Series No. 1.) Net, .50
Sixth Edition, revised. Illustrated with many Photo-reproductions, Diagrams, and Tables. 8vo., cloth, 369 pp Net, $3.00
Electric Lighting. Translated from the French by G. W. Patterson, Jr., and M. R. Patterson. Second Edition. Fully Illustrated. 8vo., cloth, 324 pp $4.00