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PINE MEW PAMPHLET F081879 Sent free to those interested. Springfield 0. no Liberty St. N Y. City.OLD HICKORY CEMENT. Practical Lessons in COPE 86 MAXWELL M'F'6 CO'S BOILER FEEDERS. Address HAMILTON. OHIO. PROVIDENCE R. I. DRAWING INSTRUMENTS. Drawing

O. 31 PARR ROW (PARR BUILDING) NEW YORK Contents: To A dverSisers. THE INCREASING USE OF GLYCERIN. THE GOVERNMENT STORM SIGNALS. MECHANICAL DRAWING., scientific american, 1870-09-17

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SCIENTIFIC AMERICAN ESTABLISHED 1845 NEW YORK SATURDAY SEPTEMBER 3 1904. the history of the city's abortive attempt to build a suspension bridge across the East River at a point adjacent to the present Brooklyn Bridge; and we think that the average

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dOLD GALVANIZING. NICKEL Electro-Plating THE DURYEA POWER CO 44-84 Aeyrud St. Reading Pa. CHARTER State Power Needs. CHARTER GAS ENGINE CO. Box 148 STERLING. ILL. days' trial. Price 7.50 less $ MONTGOMERY fc CO. 105 Fulton St. N. Y. City THE PHOENIX

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IMPROVED DRAWING COMPASSES. IMPROVED DRAWING COMPASSES. TOOL FOR WITHDRAWING CASINGS FROM WELLS OIL BURNER. SAW-TOOTH TOOL. A SIMPLE SAW-TOOTH TOOL., scientific american, 1902-11-01

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INVENTORS MANUFACTURERS BAIRD'S AND MACHINISTS' & ENGINEERS' Drawing Companion. THE INTERSECTION AND DEVELOPMENT OF SURFACES HE STUDY AND CONSTRUCTION OF TOOTHED GEAR APPLICATION OF SHADOWS '.) TOOTHED GEAIL-Appll. OBLIQUE PROJECTIONS. PARALLEL

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Mill. See Grinding mill. Roller mill. Motor C. C. Epp Mowers reapers etc. knife for W. S. ElliottNeedle threader A. ScherkenbachNest hen's W. W. Rhodes 394397 Nut lock G. Cook 394462 Nut lock G. H. Griffin 394537 Oil burner J. Carnes 394.245 Oil can

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Improved Trip Hammer. OUR SHIP-YARDS. KINSLEY'S TRIP HAMMER. NEW METHOD OF DRAWING TAPER BOLTS. THE PITCH OF MACHINE SCREWS., scientific american, 1862-12-13

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inches in length about. 5 inches in diameter a t the base and taper down to about 3 inches at the mouth. As the temperature increases small jets of flame of different colors issue from the mouth of the condensers; when it becomes a dazzling white it

$1000 Guarantee Against A Burnt Tongue Please Send for Booklet Respectfully invited POISONS ARRESTED RV CONDENSATION (Certificates of Analysis on File.) Diffuses Above THE 'A. C.' PIPE CO. 807 Times Building Broadway- 5.1 42d St. New Yorli. GRAHAM'S

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No. 37 Park Row New York. WITHOUT EXTRA CHARGE. EUROPEAN PATENTS. MUNN & CO. Inventions Patented in England by Americans. Admitomento. 100 YARDS OF SHEETING One Dollar Sale A GOLD MEDAL NOTICE OLMSTEAD'S IMPROVED OILER Always Right Side Up S_LOANIS

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Classified Advertisements BUSINESS OPPORTUNITIES. PATENTS FOR SALE. HELP WANTED. EDUCATIONAL. AERONAUTICS. MODEL WORKS. BOOKS AND MAGAZINES. HOUSEHOLD NEEDS. PHOTOGRAPHY. GRE-SOLVENT. OLD COINS AND STAMPS. tEROLENE Keep Your Spark Plugs Clean This

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Mechanical Drawing SELF-TAUCHT. Fourth Edition thoroughly revised and corrected. 12M.A.DY. BY THE SAME AUTHOR 810 Walnut St. Philadelphia Pa U.S. A. ARCHITECTURL BOOR. Useful Beautiful and Cheap. MUNN & CO. Publishers 361 Broadway New York. DWIGHT

COBURNTPEZNETTRACK ARMSTRONG'S PIPE THREADING THE QUEEN ' DRAWING PENS. DRILLING Machines PROPOSALS. NOTICE TO CONTRACTORS. Water Emery Tool Grinder LA Foot and Power THE FORBES PATENT DIE STOCKS. CUR S & CURTIS GASOLINE MOTORS FOR The New YANKEE

English Patents Issued to Americans. ‘tixtrrtizzartrub. INVENTORS 733 Broadway New York. DRAWING INSTRUMENTS. ;MINERAL WOOL. OLD HICKORY CEMENT. PATENTS. MUNN dr CO. Solicitors of Patents WOOD WORKING MACHINERY. smITHvILLEBuR.co.N.J. NEW ELEMENTS

PUBLISHED WEEKLY AT 0. D. MUNN S. H. WALES A. E. BEACH. 'The American News Company' Agents121 Nassau street New York. Or Messrs. Sampson Low Son & Co. Booksellers47 Ludgate HillLondon ed to. EU- Messrs. 'Trubner Si Co. 60 Paternoster Row London are

tificate of Genuineness with each LYON & H EALY Adams & Wabash Sts. Chicago. MECHANICAL DRAWING DRAWING AND DESIGN NG study EACLE Graphophone $10 A Perfect Machine. RECORDS THE U. S. GOVERNMENT Government has purchased MASON HAMLIN ORCANSand PIANOS

LIBERTY BELLS The Liberty Bell C Formerly The Bristol Bell Co. BLISS ELECTRICAL SCHOOL 'American-Hunnings' TELEPHONES. Buy Telephones THAT ARE GOOD-NOT 'CHEAP THINGS.' WESTERN TELEPHONE CONSTRUCTION CO. 250-254 South Clinton St Chicago.& Arc Ca's

The Electrical Machine at Trinity College. Solar Heat as a Motive Power. Tea Culture in this Country. +.Galvanising Iron--Drawing off' the Offensive Vapors IssCasting Steel Under Pressure by use of Gunpowder. Louisiana Sugar and Sirup., scientific

PRICKLY HEAT CHAFING aad Water Motor Fan Price Complete $1.50 Booklet Free DESIGNS. LABELS. PRINTS. Bicycle Motor Castings RUBBER STAMP MAKING. - THIS The Franklin Model Shop. PARSEL.L & WEED Best American Made Motor CONRAD MOTOR CARRIAGE CO. Buffal

drawing and description to this office. HOW TO MAKE AN APPLICATION FOR A PATENT. 1.50 $10 whom we have taken out patents have addressed to us most flatter ing testimonials for the services we have rendered them and the wealth which has inured to the

STEAM HAMMERS S732 IN 31 DAYS IMP ORT AN T WANTED PREPARED PLASTERING BOARD. SMITH'S AMERICAN ORGANS Superior Power Beautiful Tone Perfect Action and Tasteful Exterior. S T. & H. W. SMITH Boston Mass. Tanite Emery Wheel. 106 and 108 Fulton st. New

SHOEING HORSESABSTRACT OF A DRAINAGEA SERIES OF VERY PPS'S CRATEFUL—COMFORTINC. COCOA THE WALLALECTURE BY PROF. CHOLERA.--ABSTRACT OF A PAPER ELECTRIC CONVEYORSDESCRIP GRUCI BLE STEEL LIGHTNING RODSDESCRIPTION OF STEAM ENGINES. Flour Powder Slate

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Cleaning Silver Watch Dials. New Drawing Instrument. The East River Bridge., scientific american, 1876-06-10

S. H. H. of Ind Your method of rendering a coffin QAMUEL MeELROY CIVIL ENGINEER TEAM ENGINES STEAM BOILERS MHE WORKS OF THE AUBIN GAS CO. AA CAL DRAWING by RICHARD PEN hYCh, scientific american, 1858-04-24

English Patents Jammed to Americans. FOR SALE. Louisville Ky. Allen's Artificers Assistant STE AM ENGINE CHEAP. HARDWOOD LUMBER Pond's Tools Driven or Tube Wells GREAT LABOR SAVING TOOL. Grain Speculation! CAVEATS COPYRIGHTS LABEL 37 Park Row New

THE SHIPMAN STEAM ENCINE. NO ENGINEER. NO DUST. NO DIRT. KEROSENE OIL FUEL. BAIRD'S BOOKS FOR PRACTICAL MEN HENRY CAREY BAIRD & CO. A Valuable Work. 715 84 717 Market St. Philadelphia. -ACME' DRAWING PAPERS QUEEN & CO'S INSTRUMENTS. NEWSPAPER FILE

75 cents in line Crescent Bicycles. No. 1 (for MEN) 28in. W hoe's 23 lbs. No. 3 (for BOYS) 24 in. Wheels 21 lbs. For experienced riders desiring a reliable light 'OTTO' EN GIN ES. No Boiler No Danger OVER 45000 SOLD. No Engineer. BRANCHES: Drawing

City Conveniences in Country Homes Niagara Hydraulic Ram Garden Hose Rubber Belting Steam Packing Rubber Specialties N. Y. BELTING & PACKING CO. WRITE FOR CATALOGUE I LEARN TO BE A WATCHMAKER CRUDE ASBESTOS DIRECT FROM MINES TURCO-AMERICAN GLASS PIPE

ROLLING MILL MACHINERY FOR SHEET METAL THE WATERBURY FARREL FOUNDRY & MACHINE CO. FootandRand Power Waelibleg SENECA FALLS MFG. CoMPANT BARNES' New Friction Disk Drill. W. F. & JNO. BARNES CO. POWER PRESSES ARMSTRONG'SPIPE THREADING CUTTING-OFF

A SAFETY SEAL FOR CHECKS BONDS ETC. WOODHULL'S SAFETY SEAL FOR CHECKS. 4AN IMPROVED NUT LOCK FOR VALVES. VAN WART'S NUT LOCK FOR VALVES. AN IMPROVED DRAWING INSTRUMENT. Central Pacific. Collecting Diatoms. The Death of Cleopatra. A WATERPROOF LINING

Wishing an Agent In every town we have concluded to offersample oftheOBGANITA tothosewho will pooh the enle for only 6 DOLLARS t THE ORGANITA! THE FINEST INSTRUMENT CF THE KIND IN THE WORLD. SPECIAL TO AGENTS MACHINERY OLD HICKORY CEMENT. M E 2 IRON

Apple Economical Gas Engine Igniters Electrical Manfg. THE MIDGET DYNAMO OR MOTOR D L. HOLDSNI Practical Pointers For Patentees THE SALE OF PATENTS. By F. A. CRESEE M. E. 144 Pages. Cloth. Price 91.00. Publishers 361 Broadway New York. American Yacht

THE LAUNCH OF THE FIRST CLASS BATTLESHIP 'ILLINOIS.' LAUNCH OF THE 'ILLINOIS' OCTOBER 4 1898 AT THE YARDS OF THE NEWPORT NEWS SHIPBUILDING COMPANY. Drawing Microscopical Images., scientific american, 1898-10-22

SAVE MONEY BATES HAND NUM BERING ACHINE BATES MFG. CO. Mullins Stamped Steel Boats Can't Sink Auto Boats-Motor Boats-Row Boats Hunting and Fishing Boats Motor Boats 16 foot 1% h. p. $135.00; 18 foot 3 h. p. $240.00. Every Boattnara Should Serad for

Size of Pictures 32 x3X in. Camera 21 OZ. EASTMAN KODAK CO. so Li ANs = TIlE Pr ESTABLISHED 1845. The Most Popular Scientific Paper in the World Only $3.04) a Year Including Postage. Weehly--5`2 Numbers a Year. MUNN & (JO. 361 Broadway: New York. T E

ACETYLENE! TYLENE GAS CO. 909 New England Bldg. Cleveland 0. POINT At AS GAS ENGINE MODEL ENGINES k ILL. CATALOGUE. G AR WH ELS.& PARTS OF MODELS & THE MACHINERY OF A NAPHTHA Here is a Bargain Don't let it Pass ! What is An Education by Mail Bea 942

The Dupliphone Attachment i Graphophone Dupllphone Attachment $16.00 tilts YORK-CHICAGO PM MAKE ASBESTOS MATERIALS. I.DEL41A BOSTONPS OF LIQUID PAINTS & STAINS ELECTRICAL MATERIALS. THE 'FORTIS' EIOCifiC Exorciser. Large Experience NO AGENTS. THE

IMPROVED DRAWING REGULATOR.Pig. I. Great Railroad Speed. Singular Lakes., scientific american, 1853-07-02

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS AND EACH BEARING THAT DATE. A printed copy of the specification and drawing of any patent in the annexed list also of any patent issued since 1866 will be furnished from this office for 25 cents. In

merlon. SURFACE FILE HOLDERS. NEW EDITION. WITH LATEST-LARGEST-BEST Biographical Dictionary Pond's Tools VIOLIN OUTFITS. Consisting orVlolin Box Bow buying. a Barometer and Ther Violin Outfits To Electro-Platers. SCROLL SAWS THE NEW OTTO SILENT GAS

To Advertisers. entific American. 37 Park Row New York. THE PRACTICAL DRAFTSMAN'S BOOK OF INDUSTRIAL DESIGN AND MACHINISTS' & ENGINEERS' DRAWING COMPANION. IMPORTANT L.W.Pond's New Tools. 98 98 Ate Andrews' Patents. Smoke-Burning Safety Boilers.

SNOB. THE WORLD'S COLUMBIAN EXPOSITION—THE VIKING SHIP. A MEASURING AND DRAWING TOOL. ALLRED'S MEASURING AND DRAWING TOOL. A VIKING SHIP. Fig. 3FORMING THE HELIX. into suitable strips or ingots. No flux is required. SIMPLE HYGROSCOPE., scientific

IMPROVED HORIZONTAL WINDMILL. THE Scientific American PUBLISHED WEEKLY At 128 Fulton Street N. Y. (Sun Buildings.) BY MUNN dz COMPANY. 0 D MITNN 8.H. WALES A. N. ETACH. Agents. A. Winch. Philadelphia. E.E. FullerHalifax N A G. Courtenay. Charleston.

Surface. PATENTS. tents etc. Beaver Falls Pa. TEAMERItiall:ILM018 GO. 95 MILleST. BOSTON MASS phones Pneumatic telegraphs cable. Railway tele ABILESTIM STEAM PACKING - Building Felt Liquid Paints Etc. RECENTLY PUBLISHED. 361 Broadway New York.

Grippin's Floor Crack Filler and Finishes GRIFFIN MFG. CO. Dept. 6 NEWARK NEW YORK STATE 'ovcrigr.m.P.k.' YOUR OWN ELECTRIC LIGHTS ELECTRIC DEPRTME NT RICHARDSON ENGINEERING CO. Hartford Conn. 'HE'S VERY QUICK AT FIGURES' 'ALRIGHT GIVE HIM THE JOB'

The Cause oi the Glacial Epochs. than three millions of years. Five hundred and twenty three thousand three hundred years ag the poles of the earth lay in the plane of the ecliptic. Then each pole dur ness for more than three months and in summer to

Jump over the Counter LEARN BY MAIL Meehaaleai Electrical and Mil Engineering; Me chanical Drawing; Architecture; Chemistry; Orme mental Design; Book-keepIng; Stenography; Teach. lag; English Branches; German; Spanish; French. PERFORATED METALS

INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending March 9 1909 AND EACH BEARING THAT DATE Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES. BEST MATERIALS. BEST C WORKMANSHIP. ATALOGUE

Paneling Variety Moulding and Dovetailing Machine Durable and Efficient. fun DRAWING PAPERS MATHEMATICAL INSTRUMENTS 41 -, scientific american, 1876-11-04

THE CATHEDRAL OF GRANADA -THE PERDON DOORWAY. FROM A DRAWING BY ANTONIO HEBERT., scientific american, 86-03-13

Entered at the Post Office of New York N.Y. as Second Class Matter. Vol. XL V1INo. 20.1 $3.20 perAnnum. MACHINE FOR DRAWING AND GLOSSING SILK IN SKEINS., scientific american, 1882-11-11

THE FAIR OF THE AMERICAN INSTITUTE. New Camera Lueida for Drawing., scientific american, 1874-11-07

Drawing Copying and Ink Pencils 10 DAYS FREE-TRIA 'ON THE WORK' European Chicago Beach Hotel Grow Mushrooms ForRig and Quick Profits. 3331 N. Western Ave. chleag Ills. TheBall Transmission ao a \ .r„ I, scientific american, -1909-07-17

WATER WHEEL REGULATION. AN IMPROVED PITMAN. Manufacture of Woad. Fig. 2OUTLINE DRAWING OF THE LIGHTHIPE WATER WHEEL GOVERNOR. NICHOLS' IMPROVED PITMAN. Pig. ITHE LIGHTHIPE WATER WHEEL GOVERNOR, scientific american, 1897-01-09

SHOULD LEARN SWIFT RUNNING MACHINERY. CHAS. A. SCHIEREN &. CO. The CHALMERS-SPENCE CO. Mfrs. MADE WITH BOILING WATER. EPPS'S CRATEFUL-COMFORTING COCOA MADE WITH BOILING MILK. A Perfect Machine PEWRITE NATIONAL TYPEWRITER EXCHANGE 161 Ea Salle Street

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Entered at the Post Office of New York N. Y. as Second Class Matter. Vol. NILJINo. . [ralw muss. 1443.20 per Annum. AMERICAN INDUSTRIES No. 84. THE MANUFACTURE OF PUNCHING AND DRAWING PRESSESWORKS OF STILES & PARKER MERIDEN CONN., scientific

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