=Billionaire Phrase Code=, containing over two million sentences coded in single words. 56 pp., 8vo, leather. (_New York, 1908._) 6_s._ 6_d._ net.
=Heat for Engineers.= By =C. R. Darling=. Second edition, 110 illus., 430 pp., 8vo. (FINSBURY TECHNICAL MANUAL.) (_1912._) 12_s._ 6_d._ net.
=Hot Water Supply.= By =F. Dye=. Fifth edition, new impression, 48 illus., viii + 86 pp., 8vo. (_1912._) 3_s._ net.
=A Practical Treatise upon Steam Heating.= By =F. Dye=. 129 illus., 246 pp., 8vo. (_1901._) 10_s._ net.
=Practical Treatise on Warming Buildings by Hot Water.= By =F. Dye=. 192 illus., 319 pp., 8vo. (_1905._) 8_s._ 6_d._ net.
=Central Station Heating.= By =B. T. Gifford=. 37 illus., 208 pp., 8vo, leather. (_New York, 1912._) 17_s._ net.
=Charts for Low Pressure Steam Heating.= By =J. H. Kinealy=. Small folio. (_New York._) 4_s._ 6_d._
=Formulæ and Tables for Heating.= By =J. H. Kinealy=. 18 illus., 53 pp., 8vo. (_New York, 1899._) 3_s._ 6_d._
=Centrifugal Fans.= By =J. H. Kinealy=. 33 illus., 206 pp., fcap. 8vo, leather. (_New York, 1905._) 12_s._ 6_d._ net.
=Mechanical Draft.= By =J. H. Kinealy=. 27 original tables and 13 plates, 142 pp., crown 8vo. (_New York, 1906._) 8_s._ 6_d._ net.
=Steam and Hot Water Heating.= By =H. C. Lincoln=. 103 illus., 160 pp., 8vo. (_New York, 1912._) 5_s._ net.
=Theory and Practice of Centrifugal Ventilating Machines.= By =D. Murgue=. 7 illus., 81 pp., 8vo. (_1883._) 5_s._
=Mechanics of Ventilation.= By =G. W. Rafter=. Second edition, 143 pp., 18mo, boards. (_New York, 1896._) 2_s._ net.
=Principles of Heating.= By =W. G. Snow=. New edition, 59 illus., xii + 224 pp., 8vo. (_New York, 1912._) 9_s._ net.
=Furnace Heating.= By =W. G. Snow=. Fourth edition, 52 illus., 216 pp., 8vo. (_New York, 1909._) 6_s._ 6_d._ net.
=Ventilation of Buildings.= By =W. G. Snow= and =T. Nolan=. 83 pp., 18mo, boards. (_New York, 1906._) 2_s._ net.
=Heating Engineers’ Quantities.= By =W. L. White= and =G. M. White=. 4 plates, 33 pp., folio. (_1910._) 10_s._ 6_d._ net.
=Potable Water and Methods of Testing Impurities.= By =M. N. Baker=. 97 pp., 18mo, boards. (_New York, 1905._) 2_s._ net.
=Manual of Hydrology.= By =N. Beardmore=. New impression, 18 plates, 384 pp., 8vo. (_1906._) 10_s._ 6_d._ net.