Rownson’s Iron Merchants’ Tables and Memoranda. Weight and Measures. 86 pp., 32mo, leather. 3s. 6d.
Spons’ Tables and Memoranda for Engineers. By J. T. Hurst, C.E. Twelfth edition, 278 pp., 64mo, roan, gilt edges. (1915.) 1s. net.
Ditto ditto in celluloid case, 1s. 6d. net.
Optical Tables and Data, for the use of Opticians. By Prof. S. P. Thompson. Second edition, 130 pp., oblong 8vo. (1907.) 6s. net.
Traverse Table, showing Latitudes and Departure for each Quarter degree of the Quadrant, and for distances from 1 to 100, etc. 18mo, boards. 2s. net.
The Wide Range Dividend and Interest Calculator, showing at a glance the percentage on any sum from £1 to £10,000, at any Interest from 1% to 12½%, proceeding by ¼%; also Table of Income Tax deductions on any sum from £1 to £10,000, at 9d., 1s., and 1s. 2d. in the £. By Alfred Stevens. 100 pp., super royal 8vo. 6s. net. Quarter morocco, cloth sides. 7s. 6d. net.
The Wide Range Income Tax Calculator, showing at a glance the tax on any sum from One Shilling to Ten Thousand Pounds at the Rates of 9d., 1s., and 1s. 2d. in the £. By Alfred Stevens. 8 pp., printed on stiff card, royal 8vo. 1s. net.
Fifty-four Hours’ Wages Calculator. By H. N. Whitelaw. Second edition, 79 pp., 8vo. 2s. 6d. net.
Wheel Gearing. Tables of Pitch Line Diameters, etc. By A. Wildgoose and A. J. Orr. 175 pp., fcap. 32mo. 2s. net.