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Earthy Carbonates; Argillaceous Ore of the Coal Formation ; Mining of Iron Ore; Instruments or Tools; Exploring and Mining.

Cuap. III. SPECIAL PROPERTIES OF IRON AND ITS COMPOUNDS: Crystalline System; Magnetism; Tenacity; Specific Heat; Dilation by Heat; Action of Ileat; Welling; Crystalline and Fibrous Iron; Chemical and Special Effects of Combinations as Alloys; Iron and Oxygen; Protoride of Iron ; Sesquioxide of Iron, Anhydrous; Hydrated Sesquioside of Iron; Sesquioxide of Iron anii Lime; Magnetic Oxide of Iron; Iron Scale or Hammerslag; Ferric Acid ; Iron and Water; Iron and Sulphur; Protosulphide of Iron: Sesquisulphide of Iron; Sulphides of Iron Roasted in the Air; the Protosulphide; Bisulphide; Iron and Nitrogen; Iron and Phosphorus; Manganese and Phosphorus; Iron and Arsenic; Case-hardening Iron or Steel by Arsenic; Silicon; Reduction of Silica by Carbon in the presence of Oxide of Iron and other Bases; Protoxide of Iron and Silica; Silicate of Protoxide of Iron reduced by Carbon ; Iron and Carbon ; Amount of Carbon in Iron ; Experiments of Sefström; Modes of Existence of Carbon in Iron ; the Chemical Combinations of Carbon; Action of Sulphur upon Iron containing Carbon; on the Action of Phosphorus on Iron containing Carbon and Sulphur; Spiegeleisen heated with Silica; Abstraction of Silicon from Cast Iron; Carbonate of Protoxida of Iron; Action of Sulphuric Acid or Hydrochloric Acid on Cast Irons; White Cast Iron; Gray Cast Iron ; Action of Sea-water on Iron; Alloys of Iron, with Copper; with Zinc; with Copper and Zinc; with Tin; with Titanium; Method of determining Titanic Acid in Iron, with Lead, Antimony, Nickel, Silver, Gold, Platinum, Rhodium, Palladium, Alumiaum, Chromium, Tungsten, Potassium, Calcium, Magnesium, Vanadium.

CHAP. IV. THEORY of FLUXES : General Principles and Introductory Practice; Tables of Proportions of Fiuxes; Practical Experiinents; Fluxes of the Blast Furnace ; Practice with l'luxes; Laboratory Assays; Lime; Calcareous Spar; Oyster Shelle; Analysis of Limestone; Clay; Silex; Varieties of Limestone and Lime; 1, Pure, Rich, or Fat Lime; 2, Hydraulic Linnes; 3, Natural Cement; Artificial Cement; 4, Puzzolanas: Introductory to Dry Assny of Iron Ores; Assays with Charcoal; Assays with Fluxes; Fluxes for Assaying: Silica, Glass, Green Clay, Shale, Fire Clay, Good Blast Furnace Cinder, Borax Glass, Line, Fluorspar or Fluoride of Calcium, Cryolite; the Main Oh. jeet of Fluxes; the Quantity of Ore to be used; Choosing Samples; Proportion of Fluxes; Practical Directions for Assnying; Wet and Dry Methods; the Wet Assay; 1, by Volumetric Assay; by Bichromate of Potash; Permanganate of Potash Process; the Wet Assay; 2, by Chemical Analysis.

CHAP. V. FUEL: Wood ; Hard and Soft Wood, Ashes; Practical Remarks; Peat, Ashes; Chemicnl Analysis of Peat; Practical Remarks ; Coal; Lignito or Brown ; Brown; Bituminous ; Anthracite; Brown Coal; Bituminous Coal; Pit Coal; Chemical Composition ; Practical Remarks; Cubical Coal ; Slate or Splint Coal; Cinnei Coal ; Glance Coal; Mining of Coal; Anthrncite; Chemical Composition ; Practical Remarks ; General Remarks on Fuel ; Tables of Weights and Density of Coals; Table of Compasition of some of the Anthracite Coals of Pennsylvania ; Charring of Wood; Charring in Heaps, Kilns; Charring in Mounds; Charring in Ovens; General Remarks ; Chirring of Peat or Turf; Charring of Brown Coal; Charring of Bituminous Coal, Coke; Charring in Heaps ; Charring in Rows; Coking in Ovens; Pittsburg Coke Osen; Eng. lish Coke Ovens; German Coke Oven, French Coke Oven; Coking in Iron Retorts; General Remarks on Coking; Table of the Amount of different kinds of American Coal; Heat liberated by Fuel; Analyses of Relative Value of Fuels ; American Coal, and tha Evaporative Power of American Fuel; Practical Remarks on the Analysis of Coals; Raw Coal, or Uncoked Bituminous Coal.

Part II. PRACTICAL METALLURGY OF IRON. CAP. I. ROASTING OF Inox ORE: Magnetic Oxide of Iron ; Hydrated Oxide of Iron ; Brown Oxide, Hlematite ; Bog Ore; Sulphurets of Iron; Phosphurets of Iron ; Arseniurets of Iron; Chlorine ; Sulphates of Iron ; Carbonates; Roasting of Iron Ore in Osens or Furnaces; a Roast Oren; Roasting Mound; Ore Heap; Cleaning of Roasted Ores; Theory of Roasting Ores; Further Remarks on Modern Practice.

CAP. II. REVIVING OR REDUCTION OF IROX; DIRECT PROCESS: Malleable Iron from Magnetic Sand ; Catalan Process; the Stiickofen Furnare; Clay's Process; Chenot's Process; Yates' Process; Champlain Catalan Process; Ellershausen Process; another Method at Ringgold, Pa.

Chap. III. THE INDIRECT EXTRACTION OF IRON AS Cast Iron from THE ORES: Stück or Wulf's Oven-Salamander Furnace; Blue Oven-Cast Oven; Blue Oven; Later Forms of Furnaces; Blast Furnace, llartz Mountains, Germany; Blast Furnace in Silesia ; Interior of a Blast Furnace for Bog Ore ; Blast Furnace for Spathic Ore ; Interior of Swedish Blast Furnnce; German Blast Furnace ; Cold Spring Blast Furnace; Pennsylvania Charcoal Blast Furnace; the Modern Charcoal Blast Furnace; Coke Furnaces ; Coke Furnace, Great Western Iron Works, Pennsylvania ; Cuke Furnace,

Hyanges, France; Stonecoal Furnaces-Anthracite Furnaces; Anthracite Furnaca, Reading, Pa.; Anthracite Furnace, Cata sauqua, Pa.; Anthracite Furnace, Phenixville, Pł. ; Which Form is the Best for a Blast Furnace; Blast Furnace No. 2. Scranton, April, 1868; Furnace Glendon, above Easton. Pa., 1868; Stacks, Lehigh Crane Iron Works, Catasauque, Pa., 1869; Stack No. 1, Carbon Iron Co Parryville, Pa.; Stack Lock Ridge Iron Co., Alburtis Station, near Allentown, Pa., 1868; Column Furnacs at Saucon Iron Works, Hellertown, Pa.; Forms of Furnaces, Scranton, Pr., 1836, 1858, 1962, 1868: Dowlais Furnace, 1869; Remarks on the Construction of Furnaces in general; Furnace at Ebbw Vale, Monmouthshire, England; liigh Furnaces; Lurmann's Improvement.

CHAP. IV. BUILDING, BLOWING IN; PRACTICAL REMARKS UPON THE MANAGEMEST: the Building of a Blast Furnace; Blowing in a Furnace; Practical Remarks; the Management of Blast Furnaces.

CHAP. V. THEORY OF THE BLAST FURNACE : Table showing the Probable Consump. tion of Charcoal per 100 parts of Crude Iron with Ores of Different Sorts ; Analyses of Furnace Cinder.

CHAP. VI. PRACTICE OF CHARGES ; MIXING OF ORES; CINDERS : Tables of Analy. ses of Slag, with Physical Appearance: Multiplying Fluxing Materials.

CAAP. VII. Hot Blast Ovens : Theory of Hot Blast ; General Remarks on Hot Blast; History of the Hot Blast, and Modern Applications and Improveinents; Plaver's Hot Blast; the Apparatus; Russel's Hall Blast Oren; Further Remarks upon the Tea. ory of the Hot Blast.


Chap. IX. FIRE BRICK AND REFRACTORY STONES: Native Refractory Stones ; Artificial Refractory Stones.

CHAP. X. BLAST MACHINES: Wooden Bellows of the Common Form; Wooden Cylie. der Bellows; Iron Cylinder Blast Machine ; General Remarks on Cylinder Blast Machines; Various Forms of Blast Machines ; Fan Blast Machines; Receivers or Reg. ulators of Blast; Alden's Blower; Dimpfel's Blower; Sturtevant's Blower; Macken. zie's Eccentric Blower; Blast Pipes ; Tuyeres; Valves; Manometer; General Rewarks on Blast Machines; Later Improvements.


Part III. CHAP. I. MANUFACTURE OF MALLEABLE IRON: Persian Mode of Making Iron ; Catalan Forge; Bloomery Fire; German Forge; Forge Fire; Heating the Blast of a Forgo Fire; Finery Fire; Puddling Furnaces, Paddling Furnace for Anthracite Coal; Single Puddling Furnace at Hyanges; Double Furnace with Water Boshes; Brief Practical Notes and General Review and Remarks on the preceding.

CAAP. II. SOME PRACTICAL REMARKS UPON TAE FURNACES: Puddling Furnace : Balling; Double Puddling Furnaces; Puddling with Steam; Shingling; Rolling; Shearing; Piling; Hammering; the Steam Hammer.

Chap. III. LATE'IMPROVEMENTS IN PUDDLING FURNACES : Siemen's Regenerating Gas Furnace; Wagner's Rolling Mill; Some Remarks on Charcoal Forges; General Re. marks on Puddling; General Remarks on Refining; Theory of Refining and Puddling.

Char. IV. FORGING AND ROLLING: Forge Hammers; Squeezers; Roughing Rollers; Merchant Mill; Heavy Bar and Railroad Iron Rollers; Sheet Iron; Reheating Furn:ces; Heating Ovens; Shears and Turning Machines; Tools; General Remarks.

Part IV. MANUFACTURE OF STEEL: Carburetted Steel by Direct Process from the Ore; Steel by Indirect Process; Steel of Cementation Bar or Blister Steel; Shear Steel: Cast Steel; Indian Steel or Wootz; on the Indian Methods of Working Iron and Steei for the Damascus Gun Barrels and Sword Blados; Damascus Sword Blades; Theldardin's Composition; Steel from Malleable Iron Melted; Mushet's Steel; American uses of Steel; Table of the Tensile Strength of Cast Steel Boiler Plates ; Steel from Cast Iron Melted; Malleable Cast Iron ; Decarbonization by Forced Air or Vapor ; Process of J. Gilbert Martien; Bessemer's Process; Spiegeleisen for this Process; Bessemer Steel in Sweden: Ileaton's Cast Steel Process; Chrome Iron Steel: Tenacity of Wrought Iron and Steel; Steel and Steely Iron; Remarks on the Bessemer Metal; Rolling Steel Rails; Steel Capped Rails; Weldless Steel Tyres; Analysis of Steel, etc. etc.

APPENDIX. Tables of Analyses of Iron and Steel, fc. &c.

Painter, Gilder', and Varnisher's com

panion: Containing Rules and Regulations in everything relating to the Arts of Painting, Gilding, Varnishing, Glass-Staining, Graining, Marbling, Siga

Writing, Gilding on Glass, and Coach Painting and Varnishing ; Tests for the Detection of Adulterations in Oils, Colors, etc.; and a Statement of the Diseases to which Painters are peculiarly liable, with the Simplest and Best Remedies. Sixteenth Edition. Revised, with an Appendix. Containing Colors and Coloring—Theoretical and Practical. Comprising descriptions of a great variety of Additional Pigments, their Qualities and Uses, to which are added, Dryers, and Modes and Operations of Painting, etc. Together with Chevreul's Principles of Harmony and Contrast of Colors. 12mo. Cloth

$1 50

CONTEXTS.-TOOLS AND APPARATUS: Taylor's Indigo Grinding Mill; Rawlinson's Indigo Grinding Mill.

Colors.-WAITES : White Lead, Ceruse and Flake White ; Spanish, or Bougival White ; Gypsum, or Plaster of Paris ; White of Troyes, or White Chalk. BLACKS: Ivory Black; Lampblack; Charcoal Blacks. REDS : Vermilion ; Minium, or Red Learl; Carmine Lakes; Spanish Brown; other Reds. YELLOWS: Yellow Ochre ; Mas. sicot; Chrome Yellow; Turner's, or Patent Yellow ; Orpiment; Naples Yellow; Yel. low of Antimony; Yellow Pink. BLCES: Prussian Blue ; Indigo; Ultramarine ; Smalt, Zaffre, Azure, Saxon Blue, or Enamel Blue; Blue Verditer. GREENS: Verdigris; Italian or Verona Green; Saxon or Hungary Green ; Scheele's Green; Schweinfurt Green; Brunswick Green; Green Verditer; Green Luke, or Venetian Green. BROWNS: Umber; New Brown, Discovered by Mr. Hatchet. COMPOUND COLORs, or Colors ARISING FROM MIXTURE : Light Gray, Buff, Silver or Pearl Gray, Flaxen Gray, Brick Color, Oak-wood Color, Walnut-tree Color, Jonquil, Lemon Yellow, Orange Color, Violet Culor, Purple, Carnation, Gold Color, Olive Color, Lead Color, Chestnut Color, Light Timber Color, Flesh Color, Light Willow Green, Grass Green, Stone Color, Dark Lead Color, Fawn Color, Chocolate Color, Portland Stone Color, to Imitate Mahogany, to Imitate Wainscot, to Imitate Satin Wood.

Oils.-Oil of Spike; Oil of Lavender; Oil of Poppies ; Nut Oil or Linseed Oil ; Oil of Turpentine ; Fat Oils; Drying Oils; Pilchard Oils.

VARNISHES.-Shell-lac Varnish; Turpentine Varnish ; Linseed Oil Varnish ; Copal Varnish ; Gold-colored Copal Varnish ; Camphorated Copal Varnish; Copal Varnish in Imitation of Tortoise Shell; Amber Varnish : Caoutchouc or Gum Elastic Varnish; Mastic Varnish ; Varnish for Violins etc.; White Hard Varnish ; Varnishes for Paling and Coarse Wood Work; Varnish for Colored Drawings; Varnish for Glass; Black Varnish for Old Straw or Chip Hats; Varnish for Drawings and Card Work; Changing Varnishes; Mordant Varnishes. GENERAL OBSERVATIONS ON VARNISHES.

POLISHES.–Varnish Polish ; Polish for Dark-colored Woods ; Polish for Tunbridge Ware, Goods, eto. ; Carvers’ Polish, French Polish; Water-proof Polish ; Finishing Polish.

GILDING MATERIALS.-Fine Gold Powder; Color-heightening Compositions ; Mosaic Gold; Dutch or German Metal ; Ethereal Solution of Gold ; Gold Oil Color or Size ; Gold Water Size ; Preparatory Size; White Coating; Coloring Yellow; Vermeil.

MISCELLANEOUS MATERIALS.--Painter's Cream; Rotten Stone ; Glue and Isinglass ; Common Size.

GRINDING AND WASHING COLORS. CLEANLINESS IN WORKING. PRACTICE OF PAINTING.--Painting in Disteroper; Painting in Milk. PRACTICE OF VARNISHING AND POLISHING.- French Polish ; Waxing. PRACTICE OF GILDING.-Gilding Carved Wood with Water Size ; Gilding Plaster or Marble with Water Size ; Gilding Wood in Oil; to Gild Steel; to Gild Copper, Brass, etc. ; Gilding Glass and Porcelain ; Gilding Leather ; Gilding Writings, Drawings, etc., on Paper or Parchment; Gilding the Edges of Paper.

Ox LACQUERING.-Lacquer for Brass ; Lacquer for Philosophical Instruments ; Gold colored Lacquer for Brass Watch Cases, Watch Keys, etc. ; to make Lacquer of Various Tints ; to Clean Old Brass Work for Lacquering.

BRONZING. JAPANNING.–Colors required in Japanning; to prepare a Tortoise Shell; Japan Ground by Means of Heat.

Foils.--To Color Foils.

FISH-oil ColuRs.- To prepare the Oil; Gain by the above Process; Preparation an: Cost of particular Colors; Subdued Green; Lead Color; Bright Green ; Stone Colub, Brown Red; Chocolate Color; Yellow ; Black.

Gliss STAINING.–No. 1, Flus; No. 2, Gray Flux; No. 3, Flux for Carmines and Greens; the Various Colors.

BLUES.--Indigo Blue; Turquoise Blue; Azure Blue; Deep Azure Blue; Sky Blue for the Browns; Violet Blue for Ground Color; Lavender Blue for Ground Tint.

Greens.--Emerald Green; Bluish Green; Grass Green; Dragon, Pistache, and Olive Green.

Yellows.--Sulphur Yellow; Fixed Yellow for Touches; Yellow for Browns and Greens; Deep Yellow to mix with the Chromium Greens; Junquille; Yellow for Flowers; Wax Yellow; Fixed Wax Yellow; Nankin Yellow for Grounds ; Deep Napkin Yellow; Pale Yellow Ochre ; Deep Yellow Ochre, called Yellow Brown; Brown Yellow Ochre ; Isabella Yellow for Grounds; Orange Yellow for Grounds; Brick Red; Desp Blood Red.

COLORS OF GOLD.-Hard Carmine ; Pure Purple; Deep Violet.

Colors of Iron.-Flesh Red; Clove Brown; Wood Brown; Hair Brown; Liver Brown; Sepia Brown; White; Yellowish-Gray for Browns and Reds; Bluish Gray for Mistures ; Grayish-Black for Mixtures; Deep Black; Application of the Colors; tu Fire the Paintings, Furnace, and Muffle.


MISCELLANEOUS SUBJECTS AND USEFUL RECEIPTS.-To Increase the Strength of Cominon Rectified Spirits of Wine; to Silver by Heat; to Tin Copper and Brass; to Tin Iron and Copper Vessels; to Paint Sail Cloth so as to make it Pliable, Durable, and Water-proof; to make Oil Cloth; to prepare Varnished Silk; to Paint Cloth, Cambrie, Sarcenet, etc., so as to render them Transparent; to thicken Linen Cloths for Screens ; Printer's Ink; Sticking or Court Plaster; to Iinitate Tortoise Shell with Horn; a larnish to Preserve Glass from the Rays of the Sun; to Imitate Rosewood; to Imitate Black Rosewood; a Fine Black Varnish for Coaches and Iron Work; a Varnish to Imitate the Chinese; to Clean Silver Furniture; to Color the Backs of Chimneys with Lead Ore; to Clean Marble, Sienna, Jasper, Porphyry, etc.; a White or Inside Painting; to take Ink Spots out of Mahogany; to make Paste for Furniture ; to make Oil for Furniture, to Brown Gun Barrels; to Clean Pictures; Another Method; Varnish for Clock Faces, eto.; Varnish for Balloons.

DISEASES AND AccidentTO Whicu PAINTERS AND VARNISHERS ARE PARTICOLARLY LIABLE.-Painter's Colic; Weakness of the Wrists; Effect of Poisonous Subslances used in Painting and Varnishing; Nausea ; Burns and Scalds.


DIRECTIONS FOR GRAINING AND IMITATING WOODS AND MARBLES.-Oak, Combs, Brushes, Colors, etc., Graining Color, Spirit Color, Pollard Oak, Root of Oak; to Grain Pollard an. Root of Oak in Distemper; Walnut, Birdseye Maple in Distemper; to Grain Maple in Oil; Satin Wood; Mahogany in Distemper; Mabogany in Oil; Rosewood; Marblo; Sienna; Black and Gold Marble; Saint Ann's; Verd Antique or Ancient vreen; Egyptian Green; Rouge Roi or Royal Red; Italian Jasper ; Dove Marble; Black Bardella; Derbyshire Spar; Granites ; to Polish Imitation Marbles.

INSTRUCTIONS FOR SIGN WRITING.-Setting out or Arrangement of Letters; to Raise or make Letters Appear to Stand Out from the Board and to Shadow them; 10 Gild Letters; to Write, Gild, and Ornament on Glass.

COMPLETE INSTRUCTIONS FOR COACH PAINTING AND VARNISHING :-A suitable Place to Work in, Preparing the Oil, Boiled Oil, Raw Oil, Priming Coat for a Carriage Gearring and Body, Smoothing with Sandpaper, use of Pumice Stove in Smoothing after Priming, use of Grained Sole Leather in Smoothing after Priming, Rough Stuting, Fin; ishing up to receive the Color, Putting on the Color, Rubbing down after the second Coat, Varnishing, Ornamenting and Striping, Ornainents on Panel, Shading, Striping, Varnishing after Striping.

APPENDIX.-COLORS AND COLOring; Theoretical and Practical : Comprising Defcriptions of a Great Variety of Additional Pigments; Their Qualities apu Cses; To which are added Dryers and Modes and Operations of Painting.

COLORS.-Qualities of Pigments.

OF WHITE AND ITS PIGMENTS. WHITE-White Lead, Adulterations: Krems, Creus, or Kremnitz White. Flake White, Blanc d'Argent, Roman White, Sulphate of Lead, Zinc White, Tin White, Pearl White, Tints.

OF THE PRIMARY COLORS. OF YELLOW--Jaune Minerale. Naples Yellow, Massicot, Yellow Ochre, Oxford Ochre, Stone Ocbre, Roman Ochre, Brown Ochre, Terri di Sienna, Iron Yellow, King's Yellow, Chinese Yellow, Arsenic Yellow, Cadmium Yellow, Gambog', Gall-stone, Yellow Lake. Of RED-Iodine Searlet, Red Ochre, Indian Red, Light Reil, Venetian Red, Rubric or Madrier Lakes, Scarlet Lake, Lao Lake, Madier Carmine. OF BLUE- Ultramarine, Factitious Ultramarine, Cobalt Blue, Smalt, Royal Blue, Antwerp Blue.

OF THE SECONDARY COLORS. OF ORANGE-Chrome Orange, Orange Ochre, Mars Orange, Burnt Sienna Earth, Orange Lend, Orange Orpiinent. OF GREEN--Mixed Greens, Terre-verte, Chrome Greens, Cobalt Greens, Emerald Green, Mineral Green. Prussian Green, Invisible Green, Zinc Green. Op PURPLE- Mixed Purples, Gold Purple, Madder Purple, Burnt Carmine, Purple Lake, Purple Ochre.

OF THE TERTIARY COLORS. Op CITRINE--Mixed Citrine, Brown Pink, Umber. Op RussetMixed Russet. Field's Russet, Prussiate of Copper, Russel Ochre. OF OLIVEMixed Olive, Olive Green, Burnt Verdigris.

OP SEMI-NEUTRAL COLORS. OP BROWN-Vandyke Brown, Manganese Brown, Cappagh Brown, Burnt Umber, Cassel Earth, Cologne Earth, Rubens Brown, Brown Ochre, Bone Brown, Asphaltum, Antwerp Brown, Prussian Brown. Op Grar—Mixed Grays, Ultramarine Ashes, Phosphate of Iron, Plumbago. Op THE NEUTRAL. BLACK-Ivory Black, Lamp Black, Frankfurt Black, Blue Black, Spanish Black, Mineral Black, Manginese Black, Black Ochre, Black Lead.

TABLES OF PIGMENTS. Table I. Pigments which change by light, oxygen, and pure air, but not by shade, sulphuretted hydrogen, damp and foul air. Table II. Pigments little or not at all changed by light, oxygen, and pure air ; but by shade, sulphuretted hydrogen, damp and impure air. Table III. Pigments changed by the action both of light and oxygen and the opposite powers of sulphuretted hydrogen, damp, and impure air. Table I V. Pigments not at all or little changed by the action of light, oxygen, and pure air; nor by the opposite influences of shade, sulphuretted hydrogen, damp and impure air; nor by the action of lead or iron. Table V. Pigments subject to change variously by the action of white lead and other pigments and preparations of that metal. Table VI. Pigments changed by iron, its pigments, and other ferruginous substances. Tablo VII. Pigments more or less transparent, and generally fit to be employed as graining and finishing colors. Table VIII. Pigments little or not at :ll affected by heat or fire. Table IX. Pigments little or not at all affected by lime, and eligible for fresco, distemper, and crayon painting. DRYERS.

MODES AND Operations OF PAINTING-Grounds, Painting in Oil. Priming, Flatten. ing. Stain Graining, Transparencies, Rules of Painting, Fresco, In Distemper Painting, Scagliola. CLEANING AND RESTORING--In Removing Varnish, Removing Paint.

CHEVREUL'S PRINCIPLES OF HARMONY AND ContraST OP COLORS-Definitions, Analysis of Light and Color, The Source of Color, The Type or Standard of Color, On the Mixture of Colors, Colors of Objects, Complementary Colors, Circumstances which modify a Color. Modifications produced in a Color by being placed in contact with another Color. Result of placing Colors in Contiguity. First group-Two compound Colors, having the same simple Color in each. Second group-A compound color with a simple color which forms a part of the Compound. Third group-Two simple Colors. Fourth group-Two Compounds composed of the same simple Colors. Fifth groupA Compound Color, and a simple Color which is not found in the Compound. Infiuenee of Gloss and of Form upon the Effect of Contrast of Two Colors. Binary associations of Colors.--1. Association of Complementary Colors.-2. Association of non-Complementary Colors. In the Association of two Colors of equal tone, the height of the tone may influence the Beauty of the Association. Influence of the Contiguity of White on Colors. Influence of the Contiguity of Black on Colors. Influence of the Contiguity of Gray on Colors. Harmony of Colors.--First group. Harmonies of Analogous Colors. Second group. Harmonies of Contrast. On the Selection of the kind of Harmony for a given object. INDEX.

Pallett.-The Miller's, Millwright's, and

Engineer's Guide.
By Henry PALLETT. Illustrated. In one vol. 12mo.

$300 Contents.—Explanation of Characters used ; Definitions of Words used in this Work; United States Weights and Measures ; Decimal Fractions; On the Selection of Mill-stones; On the Dressing of New Mill-stones-making their Faces Straight, and

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