11 

 Writing Inks and Sealing Waxes. 



INK MANUFACTURE : Including Writing, Copying, Litho- 

 graphic, Marking, Stamping, and Laundry Inks. BvSigmund Lehner. 

 Three Illustrations. Crown 8vo. 162 pp. Translated from the German 

 of the Fifth Edition. Price 5s. ; India and Colonies, 5s. 6d. ; Other 

 Countries, 6s. ;' net. 



„ . . Contents. 



Varieties of Ink— Writing Inks— Raw Materials of Tannin Inks- The Chemical Constitution 

 of the Tannin Inks— Recipes for Tannin Inks— Logwood Tannin Inks— Ferric Inks— Alizarine 

 Inks— Extract Inks — Logwood Inks— Copying Inks— Hektographs- Hektograph Inks— Safety 

 Inks — Ink Extracts and Powders— Preserving Inks— Changes in Ink and the Restoration of 

 Faded Writing— Coloured Inks— Red Inks— Blue Inks— Violet Inks— Yellow Inks— Green 

 Inks — Metallic Inks- Indian Ink— Lithographic Inks and Pencils— Ink Pencils— Marking Inks 

 — Ink Specialities — Sympathetic Inks — Stamping Inks — Laundry or Washing Blue — Index. 



SEALING-WAXES, WAFERS AND OTHER ADHES- 

 IVES FOR THE HOUSEHOLD, OFFICE, WORK- 

 SHOP AND FACTORY. By H. C. Standage. Crown 

 8vo. 96 pp. Price 5s. ; India and Colonies, 5s. 6d. ; Other Countries, 

 6s. ; strictly net. 



Con<tents. 



.Materials Used lor Making- Sealing. Waxes— The Manufacture of Sealing-Waxes— 

 Wafers — Notes on the Nature of the Materials Used in Making Adhesive Compounds — Cements 

 for Use in the Household — Office Gums, Pastes and Mucilages — Adhesive Compounds for 

 Factory and Workshop Use. 



Lead Ores and Compounds. 



LEAD AND ITS COMPOUNDS. By Thos. Lambkrt, 



Technical and Consulting Chemist. Demy 8vo. 226 pp. Forty Illus- 

 trations. Price 7s. 6d. ; India and Colonies, 8s. ; Other Countries, 

 8s. 6d. ; net. Plans and Diagrams. 



Contents. 



History — Ores of Lead — Geographical Distribution of the Lead Industry — Chemical and 

 Physical Properties of Lead — Alloys of Lead — Compounds of Lead — Dressing of Lead Ores 

 — Smelting or Lead Ores — Smelting in the Scotch or American Ore-hearth — Smelting in the 

 Shaft or Blast Furnace — Condensation of Lead Fume — Desilverisation, or the Separation 

 of Silver from Argentiferous Lead — Cupellation — The Manufacture of Lead Pipes and 

 Sheets — Protoxide of Lead — Litharge and Massicot — Red Lead or Minium — Lead Poisoning 

 — Lead Substitutes — Zinc and its Compounds — Pumice Stone — Drying Oils and Siccatives 

 — Oil of Turpentine Resin — Classification of Mineral Pigments — Analysis of Raw and Finished 

 Products — Tables — Index. 



NOTES ON LEAD ORES : Their Distribution and Properties. 

 By Jas. Fairie, F.G.S. Crown 8vo. 64 pages. Price 2s. 6d. ; Abroad 

 3s. ; strictly net. 



Industrial Hygiene. 



THE RISKS AND DANGERS TO HEALTH OF VARI- 

 OUS OCCUPATIONS AND THEIR PREVENTION. 



By Leonard A. Parry, M.D., B.Sc. (Lond.). 196 pp. Demy 8vo. 

 Price 7s. 6d. ; India and Colonies, 8s. ; Other Countries, 8s. 6d. ; strictly 

 net. 



Contents. 



Occupations which are Accompanied by the Generation and Scattering of Abnormal 

 Quantities of Dust — Trades In which there is Danger of Metallic Poisoning— Certain Chemi- 

 cal Trades — Some Miscellaneous Occupations — Trades in which Various Poiso nous Vapours 

 are Inhaled — General Hygienic Considerations — Index. 



