The Nile Reservoir Dam at Assuân, and After. By Sir W. Willcocks. Second edition, 13 plates, 35 pp., super royal 8vo. (1903.) 6s. net.

The Assuân Reservoir and Lake Moeris. By Sir W. Willcocks. With text in English, French and Arabic. 5 plates, 116 pp., super royal 8vo. (1904.) 5s. net.

The Nile in 1904. By Sir W. Willcocks. 30 plates, 200 pp., super royal 8vo. (1904.) 9s. net.


LOGARITHM TABLES

Aldum’s Pocket Folding Mathematical Tables. Four-figure Logarithms, and Anti-logarithms, Natural Sines, Tangents, Cotangents, Cosines, Chords and Radians for all angles from 1 to 90 degrees. And Decimalizer Table for Weights and Money. On folding card. 4d. net. 20 copies, 6s. net.

Tables of Seven-figure Logarithms of the Natural Numbers from 1 to 108,000. By C. Babbage. Stereotype edition, 224 pp., medium 8vo. 5s. net.

Four-Place Tables of Logarithms and Trigonometric Functions. By E. V. Huntington. Ninth thousand, 34 pp., square 8vo, limp buckram, with cut lateral index. (New York, 1911.) 3s. net.

Short Logarithmic and other Tables. By W. C. Unwin. Fourth edition, small 4to. 3s.

Logarithmic Land Measurement. By J. Wallace. 32 pp., royal 8vo. (1910.) 5s. net.