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THE PERIL OF THE 'BROKEN RAIL'—ITS CAUSE AND CURE. ‘‘Piped' Rail. This Fissure is Frequently Invisible in the New Rail Being Hidden in Its Interior and Only Disclosed as the Rail Becomes Worn. to resist crushing and One Half of the Head of Rail

Bridge Niagara Engines yacht prices for Geissler. Heinrich29 Labor and the cost of living208 Monkeys working 215 Motor Miss Homer's 209 Neutral line Gary's aleged 208 Neutral line note fronilidr. Gary 209 Washing machineimproved; —.2 THE SCEENTIFIC

THE COAL INDUSTRY OF PENNSYLVANIA. BY W. FRANK M'CIATRE., scientific american, 1903-05-23

MEOW TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Building Edition. Spanish Edition of the Scientific American. Contents. SCIENTIFIC AMERICAN SUPPLEMENT For the Week Ending April 19 1890. THE MAJESTIC. ACCIDENT TO A GREAT

Ncitutific Rich without Money. The Swedish Cure for Drunkenness. Thinking and Doing. The Tortoise Market of Philadelphia. TAYLOR'S METAL CROSS TIE FOR RAILROADS., scientific american, 1890-06-21

CHADBOURNE'S WATER CLOSET. LAMBRECHT'S POLYMETER. Vital Energy and Electricity. Palpitation of the Heart. How to Preserve Potatoes. A Secure Base for Electrotype Plates. Tone Signaling. AN IMPROVED WATER CLOSET., scientific american, 1891-12-05

Vol. XNo. 10. MARSH'S PLAN FOR ASCENDING THE WHITE MOUNTAINS BY STEAM., scientific american, 1864-03-05

The Great Yacht Race. History of the Tomato. DEATH VALLEY., scientific american, 1885-09-19

SEA LION ROOKERIES OF SOUTHERN CALIFORNIA. BY C. P. HOLDER. American Exhibits at Paris. HERD OF SEA LIONS ON SANTA CATALINA ISLAND. SEA LIONS BASKING., scientific american, 1899-06-24

90, scientific american, 1872-08-11

AN IMPROVED DISH WASHER. AN IMPROVED FIRE ESCAPE. Nose and Throat. AN IMPROVED WOODEN VESSEL. WILLIAMS AUTOMATIC CHECK BOX. Bouillie Bordelaise. THE WOOD-GORDON DISH WASHER. MeCOLLUM'S FIRE ESCAPE. REESE'S IMPROVED BUCKET., scientific american,

HoistingEngines. D. Frisbie & Co. New York city. Tight and Slack Barrel Machinery a specialty. John at last found a prescription which completely cured and saved him from death. Any sufferer from this dreadful disease sending a

Only $3.20 a Year including postage. Weekly. 52 Nitinbers a Year. MUNN & CO. AIR COMPRESSORS & ROCK DRILLS. DELAMATER IRON WORKS Boiler Makers Engine Builders and Founders ESTABLISHED 1841. OF THE CHILLED PLOW CASTINGS. OILER COVERINGS. ' THE BAKER

Rights of Inventors. Scientific Papers. FIAT JOSTITIA. Illinois Iron. Wire Fence. SCIENTIFIC AMERICAN. For the Scientific American The Patent Office., 1848-05-27

GRAND PRIZE PARIS 1900. ACETYLENE GAS AND CARBIDE OF nr. MIR TYPEWRITER the human frame-the entire value ride easier are safer and tori easily mended than any SECTORLESS WIMSHURST MACHINE. SATISFACTION GUARANTEED. Acetylene Gas Generation PERFECTED.

RECENTLY PATENTED INVENTIONS. Electrical Apparatus. Engineering Improvements. Motor-Vehicles. Mechanical Devices. Railway Appliances. Miscellaneous Inventions. Designs. NEW BOOBS ETC., scientific american, 1900-12-29

103 Contents t DR. CROOKES ON PSYCHIC FORCE. THE LATE GENERAL RODMAN. GOLD AND SILVER WASTE., scientific american, 1871-08-12

After the drawings and specification of a Stubborn Facts. Extension tif Patents-Important to the Inventors of 1845., scientific american, 1859-04-16

Three Finished in Automobile Endurance Run. 4 1901 CATALOG AND PARTICULARS OF OTHER TESTS ON APPLICATION. 17 Ct 1 E NCINEER'S LICENSE. MECHANICs ENGINEERS FIREMEN. ELECTRICIANS Etc. 'YES SIR! GOODFORM CLOSET SET In Sixth Year of Successful Service

The 'Great American Desert.” THE YOUNG TAPIR IN THE ZOOLOGICAL GARDEN AT COLOGNE. Experiment on Sonorous Conductivity., scientific american, 1888-03-31

Subterranean Gas in Indiana. BY H. C. HOVEY. Wool Production of the World. The Acme Automatic Safety Engines. An Ocean Flume to a Fresh Water Lake., scientific american, 1890-09-27

ORTON'S IMPROVED HORSE-POWER., scientific american, 1860-06-09

Improved Lathe for Dentists Model Makers etc. Improvement in Oiling Shaft Bearings and Loose Pulleys. OLMSTED'S PATENT SELF-OILER. BROWN'S VEGETABLE MASHER. FOOT LATHE WITH IMPROVED DRIVING ATTACHMENT. -Excitement and Short Lite. -4.40, scientific

AN IMPROVED RATCHET AND LEVER MECHANISM. Effect of the Atmosphere on Bricks. Fire Precautions as to Woodworking Shops in Berlin.Heciprocal Influence of Sense Organs. The German Corn Laws. IThe Sewers of Paris. BAYET'S RATCHET AND LEVER MECHANISM.,

Insomnia Produced by Shortening Hours for Sleep. 4 Cordite. Novelties in Dentistry. Windmill Irrigation., scientific american, 1894-06-02

A NEW IDENTIFICATION SYSTEM IN THE UNITED STATES ARMY. BY H. L. MORGAN Posing Chair and Camera Showing Shifting Lens Flash Lamp Which Retains Its Apparatus in Use Showing Relative Positions of and Stand. Own Smoke After Flash. Screen Flash Light and

Row to Run over Sharp Curves on Rail. roads. Platinum Porous. A Curious Steamer. Explosive Glycerin., scientific american, 1864-01-09

THE SPECTROSCOPE AND ITS REVELATIONS. Within the last few years a new form of chemical analysis has arisen which ascertains substances by observatior upon the color and properties which they impart to-flames during combustion. It has been long known

Uranus. Neptune. Sun Spots. The American Climate and the Voice. Two New Explosive Compounds. One-Handed Bricklayers. Magnetism and Carbon. NEW AGRICULTURAL INVENTIONS. NEW HOUSEHOLD INVENTIONS. 101 NEW TEXTILE MACHINERY. NEW WOODWORKING AND HOUSE AND

scientific american, 1872-12-11

SPECTERS IN THE AIR., scientific american, 1880-04-03

United States Cirenit Court—Eastern District of Pennsylvania. Supreme Court of the United States. Notice to Patentees. NEW MECHANICAL AND ENGINEERING INVENTIONS. NEW MISCELLANEOUS INVENTIONS. NEW WOODWORKING AND HOUSE AND CARRIAGE BUILDING

PROGRESS AT MENLO PARK. Advantages of a Mechanical Education. Magnesium Steel. American Produce Exported into Scotland. The Cental System., scientific american, 1879-07-26

Pneumatic Street Railway. Gelatino-Chloride of Silver Emulsion. Wire Rope Transmission for Pumping. Soap for Removing Stains. Coral Fishing., scientific american, 1884-08-23

fritutifir PATENTEES Reynolds' 9 NEW INVENTIONS-NEW STYLES. MASON & HAMLIN Cabinet Organs. ELGIN WATCHES VERY STANDARD OF EXCELLENCE MASON & HAMLIN ORGAN CO. No. 707 BROADWAY NEW YORK. Washington Iron Works VARIETY MOLDING MACHINERY THE WOODWARD

THE PROJECTILES FOR THE DUDLEY GUN. Semi-Precious Stones. Negative Varnish., scientific american, 1896-04-25

A BOTTLE ROUSE. Africa. A REAL LOG CABIN. BY ARTHUR INKBREILRY. Dispersing Fogs by Electricity. The Strength of American Timbers. A Sliding Railway. A BOTTLE HOME. A REAL LOG CABIN., scientific american, 1904-01-23

266 He at of the Flame of Oxyhydrous Appeal not in Vain. The Favorite Name. The Boston Machinists. You Catch 'em We Kill 'ern. Wooden Bread : Mutual Satisfaction. A. Tunnel. National Courtesy. The Pittsburg Editors. Poverty and Polemius. Too Bright.

The Latest Plan of Rapid Transit for New York City. The Rheinfelden Hydraulic Power Plant. Death of General Francis A. Walker. A Suggestion for Laying Gas Pipes. A Large Waterfall. Rich Lands in the Far North., scientific american, 1897-01-16

1 New Method of Printing on Cloth. A New American Steamer. .+The Whistling LanternA New Safety Lamp for Miners. An Electrical Fire., scientific american, 1872-09-21

A Careless Meteor. Simple Treatment for Sciatica. IMPROVED ROAD PLANE. IMPROVED HYDRANT. Fiji .J BENSON & ROSE'S HYDRANT. 41. RECENT AMERICAN PATENTS. a C!1 h10 LAFETRA'S ROAD PLANE., scientific american, 1879-06-21

699588 Stone or brick building J. W. Lehmann 699537 Storage battery J. Redding.699413 ing S. J. Brighton 699444 Swine G. S. Kerr 699189, scientific american, 1902-05-17

New Telegrap Ii Line. Carpenters Theorem. The Oregon Rail Road. all, scientific american, 1847-05-29

Improvement in Trunk and Door Locks. SORNACKENEERG & ROSENKRANZ' IMPROVED FEED FOR SODA FOUNTAINS. Notes on Recent Scientific Discoveries and their Practical Application. New Suspension Bridge. RUPPEIM PATENT EOM, scientific american, 1868-05-30

The Utility and Pleaswes of Science. Grand Scheme. Clock Work. Coal for Steam Engines. Never saw a Railroad. Longitude and the Electric Telegraph. New Beacon Light at St. Joseph. ' Cast Iron Houses. Steamer North America. To New Subscribers. THE

ACKNOWLEDGED to be the BEST METAL for 2038 Washington Ave. Phila. Pa. Sole Manufacturers of Phosphor-Bronze In the LS. CAVEATS COPYRIGHTS LABEL REGISTRATION E IC. NUNN & CO. 37 Park Row New York. WOOD WORKING MACHINERY. P 1880. 1880. THE FOURTH

Patents. of Dentistry. The First Steamboat. steamers and got up steam specially for the great treat him to a sail of four miles along the canal and THE ELECTRIC ROLLING BRIDGES OF THE PARIS EXPOSITION., scientific american, 1889-08-24

America at the Great Exhibition. The Presidential Tour. VROOMAN'S PATENT LASTING CRIMPING AND STRETCHING MACHINE., scientific american, 1851-05-31

Science Notes. Engineering Notes. Electrical Notes., scientific american, 1900-01-13

scientific american, 1869-02-20

Improved Sorghum Evaporator. NATIVE CHICORY. BOND'S SYSTEM FOR SORGHUM EVAPORATORS. WORCESTER'S AND JONES'S DOOR SPRING. The Mackerel Fishery. za, scientific american, 64-10-08

RECENTLY PATENTED INVENTIONS. Mechanical Devices. Railway Improvements. Miscellaneous. the invention and date of this paper. INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending March 24 19039 AND EACH

An Experiment with a Steam Engine. A Valuable Testimonial. Destruction of an Iron Propeller in a Cop pered Ship. Fan for Hospitals Wanted. Large American Planing Machine. Indignation vs. Goodyear's Patent. Unseemly Extravagance., scientific

KLEINE OPTICAL CO. Strength Safety Speed Simplicity Chicago Automobile Shows. WRITE FOR ADVANCE CIRCULARS 4IAS N aliPERIOR BURNHAM STEAM. RUMp GREA CHARTER 1.71AS and 1I4ASuLIN. For All Work. State Your Power Needs. CHARTER GAS ENGINE CO. Box 148

Preparation of the Salts of Uranium and Vanadium at Joachinpsthal Bohemia. BY C. LALLEMAND. Sulphate of Iron. Action Of Certain Chlorides on Aniline Colors. BY GIRARD AND d. A. PABST. Industrial Society of Mulhouse. A Novel Actinic Phenomenon. BY DR.

THE INTERNATIONAL CONGRESS OF AMERICAN STATES. The American Institute Fair. Russian Naval Activity. 'Canal Sore Throat.”, scientific american, 1889-10-12

Grand Medal at Centennial. Cleaner Grinder and Bolter. For all substances wet or dry. Rune at one-tenth the cost Thickest French burr stoma. CHAMPION ELEVATORS. TO INVENTORS AND MANUFACTURERS CELEBRATED FOOT LATHES. GEORGE C. HICKS & CO. Baltimore.

SCIENTIFIC AMERICAN ESTABLISHED 1845 MUNN & CO. - Editors and Proprietors Published Weekly at No. 361 Broadway New York -4, 06-03-17

Are Lamps in Cotton Mills. The Law of Invention., scientific american, 1894-12-15

565 and 567 BROADWAY. Silver Ware. THE FACILITIES OF BALL BLACK & CO. FOR MANUFACTURING ENABLE THEM TO OFFER A LARGER VARI ETY OF PATTERNS AND AT LOW ER PRICES THAN ANY OTHER HOUSE IN THE TRADE. 1 { BOLT CUTT._ER SENT FREE! 4b '4s 98.0.3AT0EN' aT

Entered at the Post Office of New York N.Y as Second Class Matter. Copyrighted M by Mann & Co. [S3.00 A YEAR. WEEKLY. tVAI. LXIIINo. 10.1, scientific american, 1890-09-06

Foreign Patents. Rejected Applications. Assignments of Patents. TO OUR READERS., scientific american, 1862-07-19

THE WAR SHIP ATLANTA AND HER MAGAZINE. The Clover Mite in Houses. Japanese Oddities. Exhibition of Mexican Products. 01 Ow A Rat Causes an Electrical Fire. Interrupted Trial of the Ericsson. Ericsson was built., scientific american, 1894-12-15

Scientific American Reference Book PARTIAL LIST OF CONTENTS REDUCED FACSIM ILE PAGE 427. PART H. PART III. PART IV., 1904-12-17

being substituted-none of which contain any of the features that made the President famous as the most comfortable sus pender in the world. PRESIDENT SUSPENDER ELECTRICITY INI College Course at Your Own Home 'FREE SCHOLARSHIPS ' Friction Pulleys

VALUABLE PRACTICAL RECIPES., scientific american, 1865-02-04

IMPROVED MIDDLINGS SEPARATOR Artificial Grape Sugar. IMPROVED STEAM RIVETER. Peter Cooper and the Locomotive. ELWELL'S MIDDLINGS SEPARATOR. .a. Useful Recipes for the Shop the House hold and the Farm. Celebrated Automata. 4 PIISEY, scientific

ranged and operating for the locking and unlocking of the cylinder We claim a furnace constructed for the purpose of evaporating combination with the main evaporator the fln ishing or calcining furnace or furnaces substantially as described. I claim

Van Dozen Gas Engine CO. VULCANIZED RUBBER FABRICS For Mechanical Purposes. Packing Hose Vulcanite Emery Wheels Rubber Mats Matting & Treads MILLERS FALLS CO. 93 Meade Street New York. PATENTS. CLEVELAND & HARDWICK ESTABLISHED 1546. able t 361

ILLUSTRATIONS. B H L DI T MISCELLANY. A B G, scientific american, 1880-06-26

IONIC THERAPEUTICS. rent Passing Through Electrodes of Strychnine Sulphate and Sodium Chloride. Diagram Illustrating the Movements of Ions Through a Human Body. One-Eyed Fish Produced at Will by Proper Breeding. IONIC THERAPEUTICS IN THE TREATMENT OF

INDEX OF INVENTIONS FOR WHICH Letters Patent of the United States were Granted in the Week Ending March 14 1876 AND EACH BEARING THAT DATE., scientific american, 1876-04-15

Chemical Notes. Fire Service of New York City. Tempering Large Armor Plates. New Invention Wanted., scientific american, 1893-03-25

THE HEAVENS FOR MARCH. THE REMARKABLE LONG DISTANCE RUN. SAGACITY OF HORSES., scientific american, 1897-03-06

in combination with the said axle or shaft. forth. substantially as described. plied in such manner that the steam from the said boiler is employed only to heat the water in the said thereto. But I claim the use of reed fiber in making paper

EXPANSION OF WATER. 4EXPANSION OF SOLIDS LIQUIDS AND GASES. T. O'CONOR SLOANE PH.D. THE COMPOUND BAR. water therefore is boiled, scientific american, 1887-01-29

Speed in Cycling. Extingni.hing Fires in Bunkers. COMPARATIVE EXPLOSIBILITY OF SOME HYDROCARBON GASES. eorresponbence. SOME OF THE PROPERTIES OF ACETYLENE GAS., scientific american, 1898-09-03

MAY 4 1867.1 DIES. . Proscription of Merit. Cartopontitact. The Philosophy of the Cracking of a Whip. A Correction., scientific american, 1867-05-04

scientific american, 1869-02-06

A TWO THOUSAND HORSE POWER TURBINE. Manufacture of Celluloid. Dr. Koch Discovers a New Serum. A TWO THOUSAND HORSE POWER TURBINE., scientific american, 1897-03-06

Railroads of the United States. Dry Batteries. The Kerr Wood Pavement. TRAVIS' HOT AIR FURNACE. ROLLINS' DEVICE FOR TRANSMITTING MOTION., scientific american, 1884-08-16

scientific american, 1903-07-11

scientific american, 1871-01-01

SCIENTIFIC AMERICAN No. 361 Broa.dway New York VENTILATION OF UNDERGROUND ROADS. WEST POINT METHODS FOR SANDHURST. A POINT IN BOILER CONSTRUCTION. OUR FASTEST BATTLESHIP. ELECTRIC GLASS SMELTING. THE EMERALD INDUSTRY OF COLOMBIA., 1902-09-06

THE FALL OF SANTIAGO. TWO INTERESTING DECISIONS. RESPONSIBILITY OF STEAMSHIP COMPANIES IN MARINE DISASTERS. BY DR. C. B. DE B. SAJOUB., scientific american, 1898-07-23

TEE GREAT GAS METER OF THE CONSOLIDATED GAS CO. Importsnt Electrical Patent Decision. THE CAPILLARY SIPHON—HERO'S ENGINE. CAPILLARY SIPHON. HERO'S ENGINE., scientific american, 1886-12-04

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. 21. } ernor and Balanced Throt tle. TREMPER'S The Manufacture of Paper., scientific american, 1865-11-18

Flour Powder Slate and bine Miler %h heels. FOR 1887. 92 Numbers a Year. MT71NT1NT c3z CO. 361 Broadway New York. Scientific American Supplement. particulars sent al application. purge gave or suppository. Liver kidney and bowel troublee—eepecially

THE DIOTOR BOAT RACE TO BERMUDA. New Transatlantic Records. COMPETING MOTOR BOATS IN THE RACE TO BERMUDA., scientific american, 1908-06-20

of gear wheels whereby the velocity of the descending barrel is reg has died very suddenly. The invention referred to above is very novel and we think usefnl ; and for further information address Mr. John True the father of the deceased at Mount

Alcohol from Corncobs. Radio-Activity and Purity of Springs. OflIcial Study of Earthquakes. Of Interest to Farmers. Of General Interest. Hardware. Household Utilities. Pertaining to Recreation. Pertaining to Vehicles., scientific american,

BROADWAYNEW YORK. people who have proved to be the most successful and has been reached. In England there has been a re cruisers 'Chicag' 'Newark' and ' Atlanta ' have, scientific american, 1899-01-07

Henri Becquerel. The Bateau System of Power Generation from Exhaust Steam. The Current Supplement. Current flushes During Switching., scientific american, 1908-09-05

TO CORRESPONDENTS. Important Items. Terms of Advertising. RS. JOHN W. CHAMBERS Secretary. I.10 FARMERS AND ALL OTHERS INTER AFETY RAILROAD DRAWBRIDGES AND ORCROSS ROTARY PLANING MACHINE EUROPEAN MINING JOURNAL BAIL S—Person MTERGNES'

Week Ending April1891. PAGE Sustaining Capacity of the Great Republic. 40, scientific american, 1891-04-11

The Mediterranean Trade. American Competition in GreAt Britain. THE ROCKPORT GRANITE QUARRIES. Rapid Increase in French Woolen Industries. The Adelphi Explosion., scientific american, 1878-11-11

278 Improved Grain and Seed Separator. Titanium in Quantity. Iron Dish Cloths--Iron Clothes Lines. BODGE'S GRAIN AND SEED SEPARATOR., scientific american, 1865-04-29

MEDIEVAL IRON WORK. Rheumatism. IMPROVED SPANNER WRENCH. I si A New Way of Allaying Bust. Vegetable Leather. WINDOW GRILL AT RATISBON BAVARIA. A SIMPLE ROPE CLAMP. The Great Suspension Bridge over the East River between New York and Brooklyn. '0 4A

DEPARTURE OF TROOPS FOR MANILA. SINGING FLAMES. ANALYSIS OF AIR BY A MUSHROOM., scientific american, 1898-06-18

scientific american, 1881-11-11

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