Cedarwood — Cinnamon — Citronella — Clove — Eucalyptus — Fennel — Geranium — Gingergrass —
Guaiac Wood — Lavender — Lemon — Lime— Linalot — Marjoram — Nexoli — Orange — Orris Con-
crete — Palmaro>a — Patchouli— Peppermint — Peru Balsam — Petitgrain|— Pimento — Rose —
Rosemary — Sage — Sandalwood — Sassafras — Thyme Rouge — Verbena — Vetivert — Winter-
green — Vlany-ylang — Antipine — Con marine — Heliotropin — lonone — Mirbane — Musk — Niobi^
Terebene— Terpineol— Vanillan. IX. Medicated Soaps and Shaving Creams.— Addition
of Medicaments— Borax— Carbolic— Birch Tar — Ichthyol— Lysol — Mercury Liniodide —
Formylin— Thymol, etc. X. industrial Soaps.— Textile Soaps— Miscellaneous Soaps —
Marking Soaps. XI. Recovery of Glycerine from Lyes. — Treatment — Concentration —
Purification and Distillation. XII. Analysis of Soap and Other Products.— Methods of
Analysis — Comparative Valuation of Soaps — Typical Analysis. XIII. Statistics of SoaP'
Industry. — Imports and Exports.

Gosmetical Preparations.

COSMETICS : MANUFACTURE, EMPLOYMENT
AND TESTING OF ALL COSMETIC MATERIALS
AND COSMETIC SPECIALITIES. Translated
from the German of Dr. Theodor Roller. Crown 8vo. 262 pp.
Price 5s. net. (Post free, 5s. 4d. home ; 5s. 6d. abroad.)
Contents.

Purposes and Uses of, and Ingredients used in the Preparation of Cosmetics — Preparation of
Perfumes by Pressure, Distillation, Maceration, Absorption or Enfleurage, and Extraction
Methods — Chemical and Animal Products used in the Preparation of Cosmetics — Oils and Fats
used in the Preparation of Cosmetics— General Cosmetic Preparations — Mouth Washes and
Tooth Pastes — Hair Dyes, Hair Restorers and Depilatories — Cosmetic Adjuncts and
Specialities — Colouring Cosmetic Preparations — Antiseptic Washes and Soaps— Toilet and
Hygienic Soaps — Secret Preparations for Skin, Complexion, Teeth, Mouth, etc. — Testing and
Examining the Materials Employed in the Manufacture of Cosmetics — Index.

Glue, Bone Products and
Manures.

GLUE AND GLUE TESTING. B}' Samuel Rideal, D.Sc.
(Lond.), F.I.C. Fourteen Engravings. 144 pp. Demy 8vo. Price
10s. 6d. net. (Post free, 10s. lOd. home ; lis. abroad.)
Contents.

Constitution and Properties: Definitions and Sources, Gelatine, Chondrin and Allied
Bodies, Physical and Chemical Properties, Classification, Grades and Commercial Varieties.
— Raw Materials and Manufacture : Glue Stock, Lining, Extraction, Washing and Clari-
fying, Filter Presses, Water Supply, Use of Alkalies, Action of Bacteria and of Antiseptics,
Various Processes, Cleansing, Forming, Drying, Crushing, etc., Secondary Products — Uses
of Qlue : Selection and Preparation for Use, Carpentry, Veneering, Paper-Making, Book-
binding, Printing Rollers, Hectographs, Match Manufacture, Sandpaper, etc.. Substitutes for
other Materials, Artificial Leather and Caoutchouc — Gelatine : General Characters, Liquid
Gelatine, Photographic Uses, Size, Tanno-, Chrome and Formo-Gelatine, Artificial Silk,
Cements, Pneumatic Tyres, Culinary, Meat Extracts, Isinglass, Medicinal and other Uses,
Bacteriology — Glue Testing:: Reviav. of Processes, Chemical Examination, Adulteration,.
Physical Tests, Valuation of Raw .Materials — Commercial Aspects.

BONE PRODUCTS AND MANURES : An Account of the
most recent Improvements in the Manufacture of Fat, Glue, Animal
Charcoal, Size, Gelatine and Manures. By Thomas Lambert, Techni-
cal and Consulting Chemist. Illustrated by Twenty-one Plans and
Diagrams. 162 pp. Demy 8vo. Price 7s. 6d. net. (Post free, 7s. lOd.
home ; 8s. abroad.)

Contents.

Chemical Composition of Bones — Arrangement of Factory — Properties of Glue — Glutin.
and Chondrin — Skm Glue — Liming of Skins — Washing — Boiling of Skins — Clarification of Glue
Liquors — Glue-Boiling and Clarifying-House — Specification of a Glue — Size — Uses and Pre-



r>ar:tticin and Composition of Si/e — ConcontrateJ Si/c — l»ropertic» of (iciattne— I'rcparaiion
of Kkin (iclaline — Dryinu Hone (icta tine— Select in^ltoncii—Crimhinu — l)iiiiolvin(t~-l!lt-achin|l

— H<>illn^; — Propcrtii-s of Cilutin and Ctumdrin— Tc»tinj{ of (iluen aniri>elaline» - TI>c I m-i o?
<iliie, (ielatine and Si/e in Various Traden— Soliihlc and Liquid (ilui-ii— Steam and \\ alcrpr<K>f
(ilues — Manures — Importation of Kood StufTi—Soiln—(iermination — Plant Life- -Natural
Manures— Water and Nitriijien in Farmyard Manure— Full Anal) hi* of F'armyard Manure

—Action on Crops— Water-Closet System — Sewajje Manure — Cireen Manure* -Artlilctal
Manures— Mineral Manures— Nitroj-enous Matters Shoddy -Hoofn and Morn»— l-cather
Waste — iJried Meat — Dried MIood — Superphosphates Com|xmition — Manufacture -Common
Kaw Ml nes— Decreased Hones — Crude Fat — Kefined Fat l)e>;elatinised itonen Animal
('hanroal — Hone Superphosphates — (iuanoH— Dried Animal Products Potash Compound*-
Sulrl atr of Ammonia — I'xlraction n Vacufp^l-'rench and Hritish ( ielalin.H r..mp.irrd — Indc^

Chemicals, Waste Products and
Agricultural (Chemistry.

REISSL I-: OI' CHEMICAL ESSAYS OF C. W.
SCHEELE. Hirst Puhlislicd in Hn^lish in 178(S. Trans-
lated fiiim tlic AcaJcmy of Sciences at Stockholm, with Additions. IWXI
pp. Uemy Svo. Price 5s. net. (Post free, 5s. Ikl. hume ; 5s. yd. abroad.)
Contents.

Memoir: C. W. Schcele and his work (written for this edition by J. G. .Mcintosh) — On
Fluor Mineral and its Acid — On Fluor .Mineral — Chemical Ins'estijjation of Fluor Acid,
with a View to the Harth which it Yields, hy Mr. Wie^jler — Additional Information
Concerning Fluor Minerals — On .Manganese, Magnesium, or ,Mat(nesia Vitranorum — On
Arsenic and its Acid — Remarks upon Salts of Hen/.oin— On Silex, Clay and Alum — .Analysis
of the Calculus Vesical — Method of Preparing .Mercurius Oulcis Via Humida — Cheaper and
more Convenient .Method of Preparing Pulvis Al^arothi — Experiments upon .\U)lybd.una

— Hxperiments on Plumba^jo — .Method of Preparing a New (ireen Coloui — Of the De-
composition of .Neutral Salts by Unslaked Lime and Iron — On the Quantity of Pure .Air which
is Daily Present in our Atmosphere — On .Milk and its Acid — On the Acid of Saccharum Lactis
— On the Constituent P.irt-. of L.ip;-, Ponderosus iir Tungsten l"vperimcnts and Observations
on Kthei — Inilex.

THE MANUFACTURE OF ALUM AND THE SUL-
PHATES AND OTHER SALTS OF ALUMINA AND
IRON. Their Uses and Appliealions as Mordants in Dyeing
and Calico Piintin^, and their other Applications in the Arts, .\I.inufac-
tures, Sanitary I-Inj^inccrinj;, Agriculture and Horticulture. Tr.inslated
from the French of Llcikn Gksciiwind. 195 Illustrations. 400 pp.
Royal Svo. l^rice I'is. (Sd. net. (Post free, lUs. home; 13s. (id abroad.)
Contents.
Theoretical Study oi Aluminium, Iron, and Compounds of these .Metals-
Aluminium and its Compounds -Iron and Iron Cumpiuinds.

Manufacture of Aluminium Sulphates and Sulphates of Iron— .Manufacture of
Aluminium Sulphate and the .Mums — Manufacture of Sulphates of Iron.

Uses of the Sulphates of Aluminium and Iron — Cses of Aluminium Sulphate and
Alums — Application to Wool and Silk — Prep.irinn and usinjt Aluminium Acetates— limployment
of Aluminium Sulphate in Carbonising \Vool — The .Manufacture of Lake Pi^jments — .\fanu-
facture of Prussian Hlue — Hide and Le.ither Industry— Paper Making — Hardening I'laMcr —
Lime Washes — Preparation of .N'on-inflamniable Wood, etc. — Puriticalion of Waste Waters
— Uses and Applications o( Ferrous Sulphate and Ferric Sulphates— D>einn — .Manu-
facture of Pinments — Writing Inks — Purilication of Linhtmjj (ias —.\({riculture — Cotton DycinK

— Disinfectant Purifying Waste Liquors — .Manuf.-cturc of .N'ordhauscn Sulphuric Acid —
Fertilising;.

Chemical Characteristics of iron and Aluminium— Analysis oi Various Aluminous
or FerruK'Inous Products — .Aluminium — Analysing Aluminium Products - Alunite
Alumina — Sodium .Alununate — Aluminium Sulphate — Iron — AnaUtical Characteristics of Iron
Sails An:il\sis of P\ritic Lignite — I'errous and l-i-rnc Sulphates — Kouil .Mordant — Index.

AMMONIA AND ITS COMPOUNDS : Their Manufacture

.iiid L scs. I'.y Camii.lk Vincii.vt. Protcssm- at the Central School of
Arts and Manufactures, Paris. Tr.inslated from the French by .M. J.
Saltkr. Royal Svo. 114 pp. Thirty-two Illustrations. Pricc5s.net.
(Post free, 5s. 4d. home ; 5s. (id. abroad.)
Contents.

General Considerations: \':inous S.>ureis of .Ammomacal Products: Human I'nnc
as a Source of .Ainmoni.i F.xtraction of Ammonlnciii Products from Sewage
Hxtraction of Ammonia from (ias Liquor .Mnnufncture of Ammnnlocal Com-
pounds from Bones, Nitroifcnous \N nstc, Heetroot W nsh and Peat .Manufacture ol
Caustic Ammonia, and Ammonium Chloride. I'hosphnic and Carbonate -Recovery
of .Ammonia from the Ammonia-.Soda .Mother Liquors Index.



10

INDUSTRIAL ALCOHOL. A Practical Manual on the
Production and Use of Alcohol for Industrial Purposes and for Use as
a Heating Agent, as an llluminant and as a Source of Motive Power.
By J. G. M'Intosh, Lecturer on Manufacture and Applications of
Industrial Alcohol at The Polytechnic, Regent Street, London.
Demy Svo. 1907. 250 pp. With 75 Illustrations and 25 Tables.
Price 7s. 6d. net. (Post free, 7s. 9d. home ; 8s. abroad.)
Contents.

Alcohol and its Properties. — Ethylic .Alcohol — Absolute Alcohol — Adulterations —
Properties of Alcohol — Fj actional Distillation — Destructive Distillation — Products of Com-
bustion — Alcoholometry — Proof Spirit — Analysis of Alcohol — Table showing Correspondence
between the Specific Gravity and Per Cents, of .Alcohol over and under Proof — Other
Alcohol Tables. Continuous Aseptic and Antiseptic Fermentation and Sterilisation
in Industrial Alcohol Manufacture. The Manufacture of Industrial Alcohol from
Beets. — Beet Slicing .Machines — Extraction of Beet Juice by .Maceration, b\ Diffusion —
Fermentation in Beet Distilleries — Plans of .Modern Beet Distillery. The Manufacture of
Industrial Alcohol from Grain. — Plan of Modern Grain Distillery. The Manufacture of
Industrial Alcohol from Potatoes. The Manufacture of Industrial Alcohol from
Surplus Stocks of Wine, Spoilt Wine, Wine .Marcs, and from Fruit in General. The .Manu-
facture of Alcohol from the Sugar Cane and Sugar Cane .Molasses — Plans. Plant, etc.,
for the Distillation and Rectification of Industrial Alcohol. — The Caffey and other
"Patent" Stills — Intermittent versus Continuous RectiKcation — Continuous Distillation —
Rectification of Spent Wash. The Manufacture and Uses of Various Alcohol
Derivatives, Ether, Haloid Ethers, Compound Ethers, Chloroform — .Methyl and Amyl
Alcohols and their Ethereal Salts, Acetone — Barbet's Ether. .Methyl .Alcohol and Acetone
Rectifying Stills. The Uses of Alcohol in Manufactures, etc. — List of Industries in
which Alcohol is used, with Key to Function of Alcohol in each Industry. The Uses of
Alcohol for Lighting-, Heating, and Motive Power.

ANALYSIS OF RESINS AND BALSAMS. Translated
from the German of Dr. Karl Dieterich. Demy Svo. 340 pp.
Price 7s. 6d. net. (Post free, 7s. lOd. home ; Ss. 3d. abroad.)

MANUAL or AGRICULTURAL CHEMISTRY. By

Herbert Ingle, F.I.C, Lecturer on Agricultural Chemistry, the
Yorkshire College; Lecturer in the Victoria University. Second
Edition. 388 pp. 11 Illustrations. Demy Svo. Price 7s. 6d. net.
(Post free, Ss. home ; 8s. 6d. abroad.)
Contents.

Introduction — The Atmosphere — The Soil — The Reactions occurring in Soils — The
Analysis of Soils — Manures, Natural — Manures (continued) — The Analysis of Manures — The
Constituents of Plants — The Plant — Crops— The Animal — Foods and Feeding — Alilk and Milk
Products — The Analysis of Milk and Milk Products — .Miscellaneous Products used in Agri-
culture — Appendix — Index.

THE UTILISATION OP WASTE PRODUCTS. A Treatise

on the Rational Utilisation, Recovery and Treatment of Waste Pro-
ducts of all kinds. By Dr. Theodor Koller. Translated from the
Second Revised German Edition. Twenty-two Illustrations. Demv
Svo. 280 pp. Price 7s. 6d. net. (Post free, 7s. lOd. home ; 8s. 3d.
abroad.)

Contents.

The Waste of Towns — Ammonia and Sal-Ammoniac — Rational Processes for Obtaining
these Substances by Treating Residues and Waste — Residues in the Manufacture of Aniline
Dyes — Amber Waste — Brewers' Waste — Blood and Slaughter-House Refuse — Manufactured
Fuels— Waste I'aper and Bookbinders' Waste — Iron Slags — Excrement — Colouring .Matters
from Waste — Dyers' Waste Waters — Fat from Waste — Fish Waste — Calamine Sludge —
Tannery Waste — Gold and Silver Waste — India-rubber and Caoutchouc Waste — Residues in
the Manufacture of Rosin Oil — Wood Waste — Horn Waste — Infusorial Earth — Iridium from
Goldsmiths' Sweepings — Jute Waste — Cork Waste — Leather Waste — Glue .Makers' Waste
— Illuminating Gas from Waste and the By-Products of the Manufacture of Coal Gas —
Meerschum — Molasses — Metal Waste — By-Products in the .Manufacture of .Mineral Waters
— Fruit — The By-Products of Paper and Paper Pulp Works — By-Products in the Treatment
of Coal Tar Oils — Fur Waste — The Waste Matter in the Manufacture of Parchment Paper
— .Mother of Pearl Waste — Petroleum Residues — Platinum Residues — Broken Porcelain.
Earthenware and Glass — Salt Waste — Slate Waste — Sulphur — Burnt Pyrites — Silk Waste —
Soap Alakers' Waste — Alkali Waste and the Recovery of Soda— Waste Produced in Grinding
Mirrors — Waste Products in the .Manufacture of Starch — Stearic Acid — Vegetable Ivory
Waste — Turf — Waste Waters of Cloth Factories — Wine Residues — Tinplate Waste — Wool
Waste — Wool Sweat — The Waste Liquids from Sugar Works — Index.



11
Wriliiii; Inks and Scalini; Waxes.

INK MANUFACTURE : Includiiif^ Wntinjj, Copying. Litho-
j;i:i|iliic, Miiiliin^. Si:impinj>, and I^auinlry Inks. MySKi.MLNU I^khnf.h.
Three Illustrations. Cro\\ii8vo. 1H2 pp. Translated from the German
of the Fifth Hdition. Price Ss. net. (I'ost free, Ss. 3d. home; 5h. Gd.
abroad.)

Contents.

Vahetie'i of Ink — Writing Inks— Raw .MuicriuU uf Tunnin InUn— The Chcmicul Conniiiution
of the Tannin Inks— Recipes fur Tannin Inks -Lokw.khI Tannin Inks — l-'crnc Inks -Ali/annc
Inks -Kxtract Inks— L<i>;«()od Inks— C<ipyint{ Inks -Hcktonraphs— Heki.i^jraph Ink* -Safely
Inks — Ink Hxtracts and Powders — I*rescrvinn Inks — Chun^'es in Ink and the Kcsturalian of
Faded WVilinK— Coloured Inks — Ked Inks -Uluc Inks— Violet Inks -Yellow Inks— Orten
Inks-.Metalhc Inks— Indian Ink— Lithographic Inks and Pencils— Ink Pencils - .Markin){ Ink*
— Ink Si->oci;ilities Sympiilhetic Inks -St:l^lpin^; Inks— Laundry or W.isVim^! Mlii. — lndc«

SEALING-WAXES, WAFERS AND OTHER ADHES-
IVES FOR THE HOUSEHOLD. OFFICE, WORK-
SHOP AND FACTORY. l^y H. C. Stam.a.,i.. Crown

8vo. 96 pp. Price 5s. net. (Post tree, .Ss. Sd. home; 5s. 4d. abroad.)
Contents.

.Materials Used for Maklni; Sealing- Waxes The Manufacture of ScalinK-Waxc*—
Wafers — Notes on the .Nature of the Materials L'sed in .Making Adhesive Compounds— C<mcnl«
for Use in the Household— Office Gums, Pastes and .Mucila^. - \ H'-v.- i ..mn'-'nls for
Factory and Workshop Use.

Lead Ores and Compounds.

LEAD AND ITS COMPOUNDS. By Thos. Lamhhkt.

Technical and Consulting Chemist. Demy 8vo. 226 pp. Forty Illus-
trations. Price 7s. 6d. net. (Post free, 7s. lOd. home; 8s. 3d. abroad.)

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 of Lead Ores — Smelting in the Scotch or American Ore-hearth^Smi-ltin>; in the
Shaft or Blast Furnace— Condensation of Lead Kume — Desilverisation. or the Separation
of Silver from Argentiferous Lead— Cupelhition— The .Manufacture of Lead Pipes and
Sheets — Protoxide of Lead — Lithar>>e and .Massicot — Red Lead or .Minium -Lead PoisoninK
— Lead Substitutes — Zinc and its Compounds — Pumice Stone— Drying; Oils and Siccative*
— Oil of Turpentine Resin — ClassiHcation of Mineral Pigments — Analysis of Raw and Finished
Products — Tables — Index.

NOTES ON LEAD ORES : Their Distribution and Properties.

Hy Jas. I-AiKir., 1\(].S. Crown 8vo. 64 pages. Price 28. 6d. net.
(Post tree, 2s. 9d. home; lis. abroad.)

(II7/;/e- Lcaii and Zinc White Faints, stc />. 4.)



Industrial Hygiene.

THE RISKS AND DANGERS TO HEALTH OF VARI-
OUS OCCUPATIONS AND THEIR PREVENTION.
By Lkonakd A. Parry, M.U., li.Sc. (Lond.). 196 pp. Demy 8vo.
Price 7s. 6d. net. Post free. 7s. lOd. home ; 8s. abroad. I
Contents.

Occupations which are Accompanied by the Generation and ScallcrinK of Abnormal
Quantities of Dust— Trades in which there is Danjjer of .Metallic Poisonmu— Certain Chemi-
cal Trades — Some Miscellaneous Occupations — Trades in «hich Various Poisonous Vapours
are Inhaled — General HyRienic Considerations— Index.



12

Industrial Uses of Air, Steam and

Water.

DRYING BY MEANS OF AIR AND STEAM. Explana-
tions, Formuhv. and Tables for Use in Practice. Translated from the
German of E. Hausbrand. Two folding Diagrams and Thirteen Tables.
Crown Svo. 72 pp. Price 5s. net. (Post free, 5s. 3d. home; 5s. 6d.
abroad.)

Contents,

British and Metric Systems Compared — Centigrade and Fahr. Thermometers — Estimation
of the Maximum Weight of Saturated Aqueous Vapour which can be contained in 1 kilo,
of Air at Different Pressure and Temperatures— Calculation of the Necessary Weight and
Volume of Air, and of the Least Expenditure of Heat, pe: Drymg Apparatus with Heated
Air, at the Atmospheric Pressure: A, With the Assumption that the Air is Completely Satur-
ated with Vapour both before Entry and after Exit from the Apparatus — />', When the
Atmospheric Air is Completely Saturated before eulry, but at its exit is oily if, i or J Saturated
— C, When the Atmospheric Air is not Saturated with Moisture before Entering the Drying
Apparatus — Drying Apparatus, in which, in the Drying Chamber, a Pressure is Artiticially
Created, Higher or Lower than that of the .Atmosphere — Drying by Means of Superheated
Steam, without Air — Heating Surface, Velocity of the .4ir Current, Dimensions of the Drying
Room, Surface of the Drying Material, Losses of Heat — Index.

(See also " Evaporating, Condensing and Cooling Apparatus," p. 26.)



PURE AIR, OZONE AND WATER. A Practical Treatise
of their Utilisation and Value in Oil, Grease, Soap, Paint, Glue and
other Industries. Bj' W. B. Cowell. Twelve Illustrations. Crown
Svo. 85 pp. Price 5s. net. (Post free, 5s. 3d. home ; 5s. 6d. abroad.)

Contents.

Atmospheric Air ; Lifting of Liquids ; Suction Process; Preparing Blown Oils; Preparing
Siccative Drying Oils — Compressed .-^ir; Whitewash — Liquid Air: Retrocession — Purification
of Water: Water Hardness — Fleshings and Bones — Ozonised Air in the Bleaching and De-
odorising of Fats, Glues, etc.: Bleaching Textile Fibres — Appendix: Air and Gases: Pressure
of Air at Various Temperatures; Fuel; Table of Combustibles: Saving of Fuel by Heating
Feed Water; Table of Solubilities of Scale Making Minerals; British Thermal Units Tables ;
Volume of the Flow of Steam into the Atmosphere: Temperature of Steam — Index.



THE INDUSTRIAL USES OF WATER. COMPOSI-
TION — EFFECTS— TROUBLES — REMEDIES— RE-
SIDUARY WATERS PURIFICATION— ANALYSIS.

By H. DE LA Coux. Royal Svo. Translated from the French and
Revised by Arthur Morris. 3tS4 pp. 135 Illustrations. Price 10s. 6d.
net. (Post free, lis. home; lis. 6d. abroad.)




(Sec Books on Smoke Prevention, Engineering and Metallurgy, p. 26, etc.)



13



X Kavs.



PRACTICAL X RAY WORK. By 1-kam< T. Addvman,

H Sc. (Lond), I'. I.e.. Mcnil>cr of the UiKiit(.;in SiKicty of l^ndon ;
R.n.lioj;iMplicr to St. licornc's Hospital; Demonstrator of I'hvsics ;ind
Chemistry, and Teacher of Hadiof;raphy in St. George's Hospital
.Medical SchiK)l. Demy 8vo. Twelve Plates from Photojjraphs of X Hay
Work. Fifty-two Illustrations. 2tKt pp. Price 10s. IhI. net. (Post free,
lOs. lOd. home; lis. 3d. abroad i

Contents.

historical -Work Iir.iJin^t up to the I)i>icovcr> of the X Kays — The Discover)— App«ni-
tus and its Manaifement — lUectnc.il I'l-rmH Sources of l-.lectricity — Induction C«>ils —
Kloctrosi.itic Machines — Tuhes — Air Pumps — Fubc Holders ;ind Steret>scopic Apparatus —
Fluorescent Screens— Practical X Ray \\'ork Installations l^adioscopy— Radiography —
X Ka)s in Dentistry — .X Kays in Chemistry — X Kays in War — Index.

List Of Plates.

Frontisf'ifi.e — Coni;enilal Dislocation of Htp-.loint.— I., Needle in Kinder. — II., .Needle in
Foot.— III,. Revolver Mullet in Calf and Lej;.— IV , A .Method of LtKMlisation.— V , Stellate
Fracture of Patella showing shadow of "Strapping!". — VI., Sarcoma. — VII., Six-utckt-old
Injury to HIbow showinjj new Growth of Mone. — VIII., C)ld I-racture of Tihia and Fihula
badly set. — IX., Heart Shadow. — X., Fractured Femur show ini! drain of Splint. -XI.. Mai^
rell's MethiKl of Ljcalisation.

India-Rubber and (iiitta Pcrcha.

INDIA RUBBER AND GUTTA PERCHA. Tmnslatcd
from the FrciKJi of T. Ski:lii;.mann, G. La.mv Tokvii.hon and H.
Fai coNNKT by John Gkddks .McIntosh. Royal 8vo.

[Out of print. Stcoiiii Edition in prtpariition.

Contents.

India- Rubber— Botanical Orinin — Climatology- Soil — Rational Culture and .Acclimation
of the Different Spc:ies of India-Kubhcr Plants— .Methods of Obtainini; the Latex — .Methods
of I'rep.irinn Raw or Crude India-Kubber — ClassiKcation of the Commercial Species of
Raw Rubber — Physical and Chemical Properties of the Latc\ and of India-Rubber —
.Mechanical Transformation of Natural Caoutchouc into Washed or Normal Caoutchouc
(PuriHcation) and .Normal Rubber into .Masticated Rubber — Softening, Cutting;, WashinK.
Drying— Preliminary Observations — Vulcanisation of Normal Rubber — Chemical and Physical
Properties of Vulcanised Rubber— Cicneral Considerations — Hardened Rubber or ICK>nite —
Considerations on .Mineralisation and other .Mixtures — Coloration and Dyeing; — Analysis
of Natural or Normal Rubber and Vulcanised Rubber — Rubber Substitutes— Imitation Rubtwr.

Qutta Percha Botanical Origin— Climatolofjy— Soil— Rational Culture— .Methods of
Collection — ClassiKcation of the Different Species of Commercial Ciulta Percha — I'hysical
and Chemical Properties — .Mcch.inical Tr:insforniation — .\\cthiKls of .\nalysin|{ — Cjutta Percba
Substitutes — Index.

Leather Trades.

PRACTICAL TREATISE ON THE LEATHER IN-
DUSTRY. By A. M. \n.i.t)\. Tr.inslatotl by 1-kv\k T.
.Addvman, B.Sc. (Lond.), F.l.C, F.C.S. : and Corrected by an Kmi
ncnt Member of the Trade. .S(K) pp., royal Svo. 123 Illustrations.
Price 21s. net. (Post free, 21s. (xl. home; 22s. tkl. abroad.)
Contents.

Preface — Translator's Preface — List of Illustrations.

Part I., Matciials used in Tanning Skins: Skin and its Structure; Skins used in
Tanning; Various Skins and their Uses Tannin and TanninK Substances: Tannin: l^rks
(OakU Barks other than Oak: Tanning; WimhIs ; Tannin-bearing Leaves: l-'xcrescencca ;
Tan-bearinn Fruits: Tan-bearing KiMits and Bulbs: Tanning Juices: Tanning Substances
used in Various Countries: Tannin I-"xtracts: l-istimation of Tannin and Tannin Principles.

Part II., Tannlnj; — The Installation of a Tannery: Tan F'urnaces; Chimneys, B<iilers,
etc.; Steam l-"n>;ines^tirindinu and Trituration of Tanning Substances: Cutting; up Barli :
Orindinn Bark: The Orindinj; of Tan Woods ; Powdering; Fruit, (iails and drains; Notes on
the Grindinjj of Bark — .Manufacture of Sole Leather Soaking: Sweating and L'nhairing;
Plumping; and Colouring; Handling*. Tanninji: Tannin^; l-^lephants" Hides: Drying;
Striking or Pinning — .Manufacture of Dressing; Leather Soaking, IVpilation. .New I'ro-
cesses for the Depilation of Skins; Tanning; Cow Hides; Horse Hides, Ooat Skins; .Manu-
facture of Split Hides — On Various Methods of Tanning Mechanical .Methods: Physical