27 



EVAPORATING, CONDENSING AND COOLING AP- 

 PARATUS. Explanations, Formula and Tables for Use 



in Practice. By E. Hausbrand, Engineer. Translated by A. C. 

 Wright, M.A. (Oxon.), B.Sc. (Lond.). With Twenty-one Illustra- 

 tions and Seventy-six Tables. 400 pp. Demy 8vo. Price 10s. 6d. ; 

 India and Colonies, Us.; Other Countries, 12s.; net. 

 Contents. 



i?eCoefficient of Transmission of Heat, k/, and the Mean Temperature Difference, 5/m — 

 Parallel and Opposite Currents — Apparatuslor Heating with Direct Fire — The Injection of 

 Saturated Steam — Superheated Steam — Evaporation by Means of Hot Liquids — The Trans- 

 ference of Heat in General, and Transference by means of Saturated Steam in Particular 

 — The Transference of Heat from Saturated Steam in Pipes (Coils) and Double Bottoms 

 — Evaporation in a Vacuum — The Multiple-effect Evaporator — Multiple-effect Evaporators 

 from which Extra Steam is Taken — The Weight of Water which must be Evaporated from 

 100 Kilos, of Liquor in order its Original Percentage of Dry Materials from 1-25 per cent, 

 up to 20-70 per cent. — The Relative Proportion of the Heating Surfaces in the Elements 

 of the Multiple Evaporator and their Actual Dimensions — The Pressure Exerted by Currents 

 of Steam and Gas upon Floating Drops of Water — The Motion of Floating Drops of Water 

 upon which Press Currents of Steam — The Splashing of Evaporating Liquids — The Diameter 

 of Pipes for Steam, Alcohol, Vapour and Air — The Diameter of Water Pipes — The Loss 

 of Heat from Apparatus and Pipes to the Surrounding Air, and Means for Preventing 

 the Loss — Condensers — Heating Liquids by Means of Steam — The Cooling of Liquids — 

 The Volumes to be Exhausted from Condensers by the Air-pumps — A Few Remarks on Air- 

 pumps and the Vacua they Produce — The Volumetric Efficiency of Air-pumps — The Volumes 

 of Air which must be Exhausted from a Vessel in order to Reduce its Original Pressure to a 

 Certain Lower Pressure — Index. 



Plumbing, Decorating, Metal 

 Work, etc., etc. 



EXTERNAL PLUMBING WORK. A Treatise on Lead 

 Work for Roofs. By John W. Hart, R.P.C. 180 Illustrations. 272 

 pp. Demy 8vo. Second Edition Revised. Price 7s. 6d. ; India and 

 Colonies, 8s. ; Other Countries, 8s. 6d. ; strictly net. 

 Contents. 



Cast Sheet Lead — Milled Sheet Lead — Roof Cesspools — Socket Pipes — Drips — Gutters — 

 Gutters (continued) — Breaks — Circular Breaks— Flats— Flats (continued) — Rolls on Flats- 

 Roll Ends — Roll Intersections— Seam Rolls— Seam Rolls (continued)— Tack Fixings— Step 

 Flashings— Step Flashings (continued)— Secret Gutters— Soakers— Hip and Valley Soakers 



Dormer Windows— Dormer Windows (continued)— Dormer Tops— Internal Dormers— 



Skylights— Hips and Ridging— Hips and Ridging (continued)— Fixings for Hips and Ridging 

 —Ornamental Ridging— Ornamental Curb Rolls— Curb Rolls— Cornices— Towers and Finials 



Towers and Finials (continued)— Towers and Finials (continued)— Domes— Domes (continued) 



Ornamental Lead Work— Rain Water Heads — Rain Water Heads (continued)— Rain Water 



Heads (continued). 



HINTS TO PLUMBERS ON JOINT WIPING, PIPE 

 BENDING AND LEAD BURNING. Third Edition, 

 Revised and Corrected. By John W. Hart, R.P.C. 184 Illustrations. 

 313 pp. Demy 8vo. Price 7s. 6d. ; India and Colonies, 8s. ; Other 

 Countries, 8s. 6d. ; strictly net. 



Contents. 



Pipe Bending — Pipe Bending (continued) — Pipe Bending (continued) — Square Pipe 

 Bendings— Half-circular Elbows— Curved Bends on Square Pipe— Bossed Bends— Curved 

 Plinth Bends— Rain-water Shoes on Square Pipe— Curved and Angle Bends— Square Pipe 

 Fixinas—Joint-wiping— Substitutes for Wiped Joints— Preparing Wiped Joints— Jomt Fixings 

 —Plumbing Irons— Joint Fixings— Use of "Touch" in Soldering— Underhand Joints— Kown 

 and Cooper Bit Joints— Branch Joints— Branch Joints (continued)— Block Joints— Block 

 Joints (continued)-Block Fixings-Astragal Joints--Pipe Fixings-Large Branch Joints- 

 Large Underhand Joints— Solders— Autogenous Soldering or Lead Burning— Index. 



WORKSHOP WRINKLES for Decorators, Painters, Paper- 

 hangers and Others. By W. N. BROvirN. Crown 8vo. 128 pp. Price 

 2s. 6d. ; Abroad, 3s. strictly net. 



