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Electrical Currents from Albumenoid Substances. IMPROVED DOUBLETREE., scientific american, 1874-05-30

scientific american, 1906-08-18

350 The 'resting of Intellence. Artificial and Natural Ice. Official Meteorological Summary New York N. Y. October 1909., scientific american, -1909-11-13

CALCAREOUS SPONGES. zi The Fruit of the Bose Bush as a Preserve. The Grape Phylloxera., scientific american, 1879-05-03

Weekly Review of the Oil Trade. Treatment of Gold and Silver Sulphurets., scientific american, 1862-09-20

spread by means of the milk supply. The typhoid Prizes for an Improved Saddle. Attend to Your Horses. 4Wages in 1800. Gas Wells near Montreal Canada. furnish the gas for manufacturing and domestic use., scientific american, 1887-07-30

Twenty Copies for Twelve Mouths For all clubs of Twenty and overthe yearly subscription is only $1 40 Names can be sent in at different times and from different Poet-aim& Western and Canadian bioneYer Post.office stamp& taken at par for

PILOT BOAT WRECKED BY A WHALE. TANKS. Krupp Iron Works. From Europe to America Overland. a, scientific american, 00-09-15

scientific american, 1884-05-03

Reissues. Designs., scientific american, 1866-12-22

THE NATURAL AND THE ARTIFICIAL. HANCOCK'S SCREW PROPELLER The Water Power of Plaine. TESTING THE POWER OF STEAM ENGINES., scientific american, 1868-11-11

Scientific American INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending, 1907-01-05

Gasoline mining locomotive entering a gallery. An 8 horse power gasoline logging locomotive. Gasoline logging locomotive. Scientific American, 1906-05-19

Stationar'es. Portables. Engines and Pumps Holsters CHARTER GAS ENGINE CO. Box I4B STERLING ILL. CATALOGUE OF Drawing Materials and Surveying Instruments Asphalt Ready Roofing. ROOFING DEPARTMENT THE CORK FLOOR AND TILE CO. THE BRADLEY PULVERIZER CO.

PATENT GEAR-DRESSIDD MACHINE Atmospheric Absorption of Solar Forces. AN IMPROVED GANG PLOW. Telephone Improvements. The Marginal Shield-Fern as a Treniacide. be fully equal. The marginal shield-fern is one of our most POISONOUS LEGUMINOUS PLANTS. The

Haynes Automobile Co. KOKOM IND. Oldest Automobile Manufacturers in America Members A. L. A. 51. Free 10.Day Trial. We Pay Ex. Automatic Adding Machine Co. 340 Broadway N. Y. City WATERMAN MARINE MOTOR CO. 1509 Fort St. West Detroit Mich. JAMESTOWN

The Pine-Apple.Orbital Motion. As. How to Make a Perfect Boiler. Mental Science. A Question for Watchmakers. Information Wanted About Brick Making. WHAT INVENTORS SAY; The White Man's Feet., scientific american, 1870-07-09

AN IMPROVED SUNSHADE FOR 'VEHICLES. SUNSHADE FOR VEHICLES. AN IMPROVED ANIMAL CATCHER. AN IMPROVED SPRING BACK FOR STOOLS ETC. CRYSTALLIZING FRAMES FOR MONOGRAMS DESIGNS ETC. Advantage of a Trade Mark. 4I 4 AN IMPROVED CAR COUPLING. SWENSON'S CAR

A Hot Air Locomotive. Canal Across the Isthmus of Suez. The Steamer New Jersey. The Rensselaer Polytechnic Institute. AND . New Measuring instrument. Improved Method of Connecting Doors. Launch of the Steamship Adriatic. -. IMPROVED MEASURING

Consumption and Ventilation. The Women of Turkey. The Minuteness of Creation. Winds of Ohio., scientific american, 1848-04-15

AMMONIA ENGINE FOR STREET CARS. Improved Thrashing Machine. Ammonia as a Motive Power for Street Cars. THE LONE STAR. THRASHER., scientific american, 1871-11-04

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. LIE—No. 26. [NEW SERIES. L [POSTAGE PREPAID. 410 THE THERMOPHOTE OR SELF-REGISTERING PHOTOMETER. Boring for Oil in Penns sylvanite. would explode at a

NO. 87 PARK ROW NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition. AN EPIDEMIC OF GOLD DISCOVERY. ANOTHER LOST FIELD GLASS. Arctic Relief. A FAST RIVER STEAMER. IMPROVEMENTS AT COHOES.

IRONCLAD VESSELS. SCITIONOITI KV3I'EIZWV atiV Hill'IONZ, scientific american, 1875-12-04

Vol. 1.X.X No. 17. NEW YORK APRIL 28 1894. [83.00 A TEAM. WEBELT., scientific american, 1894-04-28

WEEKLY., scientific american, 1890-07-19

STRENGTH AND OTHER PROPERTIES OF METALS. taut. Les Inventeurs non familiers avec la langue Anglaise e Vent nous addresser dans lour languenataile. Envoyez nous un dessin, scientific american, 1862-12-20

DESIGNS. TRADE MARKS. (Conthmed cm. page 199) Ease of Operation Touring Cars THOMAS B. JEFFEItY & CO. ALLIGATOR puNcTuRspRooF 0 N EUSTADT FERRY CO. able illustrated articles on the above subject containing many details of the motors and vehicles are

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. LXXXIVNo. 13.g, scientific american, 1901-03-30

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted AND EACH BEARING THAT DATE., scientific american, 1886-04-10

The Design Patent Law. Education for Civil Engineers. Indigenous Potatoes in Arizona. AO. 4No Tin in Colorado., scientific american, 1882-12-09

THE EXPLOSION OF THE 'ARROW'S' BOILERS. RECENT AMERICAN PATENTS. The Latest Yankee Experiment in Naval Architecture., scientific american, 65-09-09

FRICTION CLUTCH Pulleys and Cut-off Couplings. ROOFING CATALOCUES FREE TO ANY ADDRESS oc °MILLS ALL Ohio. GEGVW: FIFIELD Punching Presses, scientific american, 1884-11-01

THE HEMET IRRIGATING DAM SOUTHERN CALIFORNIA. VIEW OF THE DAM FROM DOWN STREAM HEIGHT 0 FEET. THE HEMET DAM DURING CONSTRUCTION SHOWING THE ROCK CRUSHER. TRAMWAY AND THE DISTANT VALLEY NOW THE BED OF THE RESERVOIR., scientific american, 1897-09-25

BAROMETERS THERMOMETERS DRAWING INSTRUMENTS PATENTS. YOLNEY W. MASON & ER ICSSON'S PUMPING ENGINE Dwellings & Country Seats 16 Cor n HEAT IN RELATION TO CHEMICAL JOHN GREENWOOD &GO. A PERFECT BOAT OZOKERITE OR EARTHWAX.-13Y IRON REVOLVERS PERFECTLY

A Useful Bath Bed. Hemlock as a Beverage. Passage of kRumrod the Brain. COLEMAN'S IMPROVED PLOW., scientific american, 1883-09-29

THE EANIAN TREE. VOLPICELLI'S NEW THEORY OF ELECTRO-STATIC INDUCTION., scientific american, 1877-06-30

SECTION OF THE PORTER ENGINE. Cinematograpit for the Illind in France. --al, scientific american, 1901-03-30

Turning Irregular Forms. SLIDE REST FOR TURNING IRREGULAR BODIES. THE RAVAGES OF THE WOOD-BORING BEETLE., scientific american, 1870-04-23

Experiments with Aluminium Alloys. NEW METHOD OF INFLATING BALLOONS IN WAR TIME., scientific american, 1904-05-14

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted TRADE MARKS. DESIGNS. `10vertizements. ORDINARY RATES. Inside Page. each insertionT5 cents n line PECIALTIES &NOVELTIES-PATENTED NOW READY! Fourteenth

150 THE IRONCLAD HULLING STONE. co) IMPROVED WINDOW WEATHER STRIP. BEE TELSON S IRONCLAD HULLING STONE. IMP OVED FRICTION ATTACHMENT. IMPROVED WRENCH., scientific american, 1873-09-06

RECENT DECISIONS RELATING TO PATENTS. The Voyage of the Anthracite. The Temperature of the Sun. 1 The Melbourne Exhibition. Gen. John A. Sutter. The Pittsburg Exposition and Fair. 'fhe Cincinnati Industrial Exposition. The Cost of Keeping Soldiers

CONNUNICATIONS RECEIVED. VALUE OF PATENTS How to Obtain Them. Practical Hints to Inventors. How Can I Best Secure My Invention 7 Preliminary Examination. To Make an Application for a Patent. Foreign Patents. Trademarks. Design Patents. Copies of

Effects of a Ninety-pound Charge. BING'S BRAKE SHOE. How to prevent Wet Feet. Sensible Maxims. SPECIAL NOTICE., scientific american, 1864-04-23

Gear's Automatic Dovetailing Machine Gear's Car Boring Machine Gear's Universal Emery Grinding Machine Machine and Dealers in every descrip tion of Wood and Iron Working Machi nery and Mechanical Supplies selected from all makers. Metal etthelealbe.

PENDULUM ESCAPEMENT. Stepping Stones to Success. New Electric Tramcar. Electric Motor Trial., scientific american, 1885-05-23

Cribune Bicycle Tested and True. THE BLACK MFG. CO. ERIE PA. PHOTOGRAPHIC SIMPLICITY . Is embodied in the Pocket Kodak. Get 'd Brooke Moulds Expert Making New HALF A CENTURY OF CYCLESAN POWER? POWER?? POWER!!! THOMAS KANE & CO. THE . . . CHARTER

Inside Page each insertion -5 cents a line. (About eight words to a line.) RESPONSIBLE AGENTS WANTED. 20 to 50 per cent. in Gas Bills. BOILER FEEDER. D. E. RICE 191 Atwater Street Detroit Mich. MACHINERY WIPER CLOTHS! Fo r JEWELERS SILVER BRA SS. &

ninntions. Improved Tailor's Measure. CORLEY'S INSTRUMENT FOR DRAFTING GARMENTS., scientific american, 1858-03-28

Fanners and Meclundea. Important Discovery in Turkey. The First American Painter. Workingmen's Association for Protection of the Sabbath., scientific american, 1850-06-01

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broadway New York 361 Broadway New York 361 Broadway New York IS THE AEROPLANE PRACTICABLE FOR SCOUTING' MANUFACTURING UNDER THE REQUIREMENTS OF THE BRITISH PATENT ACT. PROPOSALS FOR

ELECTRIC WELDING OF RAILS IN PLACE. Fig. IREVOLVING TRANSFORMER SEEN AT THE SIDE AT WHICH THE CONTINUOUS CURRENT ENTERS. Fig. 2THE SAME SEEN AT THE SIDE FROM WHICH THE ALTERNATING CURRENTS START., scientific american, 1894-01-27

COMBINATION TOOL. Porosity of Wood. BEAT AND FOOT BOARD FOR ROW BOATS. IMPROVED ' RAPID ' CUPOLA. IMPROVED RAPID CUPOLA., scientific american, 1884-10-04

THE NEW AGRICULTURE OF THE TROPICS., scientific american, 1900-08-04

Inventions Patented In England by Americans., scientific american, 1868-07-29

WOOD WORKING WHINER INHALANT SITOCMSS BEST FOUNTAIN PEN 69 State St. Chicago. .0 English Patents Issued to Americans. MONITOR PLANER & MATCHER. WOOD WORKING MACHINERY., scientific american, 1880-09-04

The East River Bridge. Point Barrow Signal Station. THE FAIRBAIRN GRATE-BAR., scientific american, 1881-12-03

One of the 2000 horse-power motors of the Pennsylvania electric locomotives. Electric Traction in Tunis. The Great St. Petersburg Ozone Plant. Weight 166 tons. Horse-power 4000. Drawbar pull 60000 pounds. THE NEW PENNSYLVANIA RAILROAD ELECTRIC

44RECENTLY PATENTED INVENTIONS. Engineering. OCTOBER NUEIBER(No. 84.), scientific american, 1892-11-11

PRACTICAL MECHANISM. NUMBER XVIII., scientific american, 1875-02-27

New Paper Holder. New Letter and Bill File. Genetal Paralysis. Remedy for Hog Disease. New Washing Machine. Improved Gauge. AMERICAN CIVIL ENGINEERS. Breathe through the Nose. The Pioneer White-Lead Maker in the United States., scientific american,

Foreign Competition on Cottons. The Old University Building—Its Once Distinguished Occupants. Electric Photography., scientific american, 1894-06-23

2 THE SCIENTIFIC AMERICAN. COE & SNIFFEN'S IMPROVED SKATE., 1859-08-13

Slow Combustion. The Benefits of Machinery. NEW ORLEANS COTTON PRESS. A NEW ORLEANS COTTON WHARF., scientific american, 1886-10-02

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. Electrical. Mining. Agricultural. Miscellaneous. and the holder being together placed in the water. The holder also affords facility :or Introducing condiments SCIENTIFIC AMERICAN

DESIGNS. TRADE MARKS. 9-Kbverfisements. Inside Page each insertion - 75 cents a line Back Page each insertion61.00 a line ADAMANT WALL PLASTER BEST PLASTERING MATERIAL KNOWN. ADAMANT MTG. CO. SYRACUSE N. Y. Patent Foot Power Machinery Complete

CALIFORNIA RABBIT DRIVE. The Proposed Bridge across the English Channel. A Spectroscope without a Lens., scientific american, 1889-11-09

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted May 31 1892 AND EACH BEARING THAT DATE., scientific american, 1892-06-11

The Phenomena of Metalliferous Deposits. %lb 4I SP Sea Bathing. The Aeration of Yeast. The Power of Water. Sewer Gas and Typhoid Fever. An Aid to Russian Literature., scientific american, 1883-08-18

A HORSE DETACHER AND BRAKE. FRIEDLANDER'S HORSE DETACHER AND BRAKE. COMBINED GAS ENGINE AND CENTRIFUGAL PUMP. Why Latin is Used. A HOOF SPREADING DEVICE. TRENKLE'S HOOF SPREADER LARGE COMBINED GAS ENGINE AND CENTRIFUGAL PUMP., scientific american,

scientific american, 1870-06-04

$3.00 A YEAR. HERMAN LUDWIG FERDINAND VON HELMHOLTZ. HERMAN LUDWIG FERDINAND VON HELMHOLTZ., scientific american, 1894-11-10

from the whole subjacent surface. The growth of the A Bridge Built by Red Ants. ever before in the same length of time., scientific american, 1891-03-21

Improved Steam Governor. CONDE'S IMPROVED STEAM GOVERNOR. DONATO'S IMPROVED WINDOW-BLIND. Improved Window-Blinds., scientific american, 70-09-10

PRACTICAL CONSTRUCTION OF MA NORCROSS ROTARY PLANING MACHINE IRON FOUNDERS' FACING MATERIALS WOODBURY'S PATENT PLANING Machine. IIIHE NEW HAVEN MANUFACTURING 13ATENT LAWS OF THE UNITED STATES NEW METHOD FOR MAKING WROUGHT IT1HE NEW HAVEN

THE SCIENTIFIC AMERICAN. 103, 1860-08-11

Improved Electric Candle. BAPTISMAL FONT. The Influence of Temper on Health. Powerful Guns. The Dominion Exhibition. IMARBLE BAPTISMAL FONT., scientific american, 1879-10-25

INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending September1906., scientific american, 1906-09-22

Experiments on White Lead and Zinc Paints. Radium in America., scientific american, 1903-12-19

scientific american, 1859-09-24

A Plea for the Cats. STATISTICS. WAR PRICES. DRAWBACKS. MATCHES IN OLD TIMES. What the Correspondents sap of the, scientific american, -09-10

Miscellaneous. RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. Electrical. Agricultural. NEW BOORS AND PUBLICATIONS. SCIENTIFIC AMERICAN BU ILDI NG EDITION. JULY 1894(No. 105.), 1894-07-28

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broadwe.y New York A CANAL BY LAKE AND LOCKS. DOES A WATER FAMINE THREATEN NEW YORK CITY? NEW CONCEPTIONS IN ASTRONOMY., 1906-02-03

scientific american, 1874-0

THE WEAVER. Professor Rucker's New 'Divining Rod. THE WEAVER AND ITS NEST. do.' Where Wealth has been Created., scientific american, 1890-07-05

A Now and Original American Book on the Mminx RUBBER BACK SQUARE PACKING. JUST READY. HAS WELL'S Engineers' Pocket-Book NEW EDITION Enlarged and Entirely Rewritten. WATCHMAKERS. THE PAYNE AUTOMATIC ENGINE ENGINEERS &MACHINISTS FREE TO ANY LADY

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES [ S3.00 A YEAR. I.-NEAR VIEW OF THE THREE-FOOT COURSES OF MASONRY. 2.--RAILWAY ACROSS END OF DAM BRINGING ROCK TO OVERHEAD CABLEWAY. 3.-THE ARTIFICIAL CHANNEL

AN IMPROVED FRUIT PICKER. BRAZEE'S FRUIT PICKER AN IMPROVED VALVE HEAD FOR BLOWING ENGINES. MOORE'S VALVE READ FOR BLOWING ENGINES. The Eiffel Tower. 4AN IMPROVED STEAM BOILER. New .Torpedo Boats. A Singular Railroad Fire. A COMBINED CARPENTER'S RULE

scientific american, 1867-02-02

sew A Geological Excursion in the Noon., scientific american, 1870-09-03

Submarine Torpedo Boa.ts. THE HOLLAND SUBMARINE TORPEDO BOAT CLASS. SEMI-PROTECTED CRUISER 'DENVER.' ALSO 'CLEVELAND' 'CHATTANOOGA' 'DES MOINES' 'GALVESTON' AND 'TACOMA.' away and to THE HOLLAND SUBMARINE TORPEDO-BOAT CLASS—' HOLLAND' 'ADDER'

ROOFS. OLD ROOFS. ON TIN OR IRON ROOFS. FIRE-PROOF NEW ROOFS. New York Slate Roofing Co. Limited. For the Removal and Foreyention of Incrustation in Steam Boilers. MUNN & CO. AIR COMPRESSORS The Tanite Co. STROUDSBURC PA. Machinists' Tools. NEW HAVEN

THE SOCIAL SCIENCE CONVENTION. FOREST CULTURE PAYS. HARBOR OF REFUGE ON THE PACIFIC COAST. SETTLEMENT OF A DOUBTFUL GEOLOGICAL POINT., scientific american, 1879-02-08

232Acitnigiv 4inaitan., scientific american, 1866-04-07

Replacing the Broadway Drawbridge with a new span. Harlem River. Scientific American, 1906-06-30

PRESENT OFFICES OF THE SCIENTIFIC AMERICAN., 1896-07-25

ARV! SAFES THAT WILL WELL REPAY ar GAS LIGHT CO. Lighting Rivets and Erecting Gas and Water Works. STEAM HEATER. At ESTABLISHED 1846. 52 Numbers a Year. Ship Building .1!Aarine Engineering Photography 361 Broadway New York. PRINTING INKS. NEW YORK

CAS ENGINE. STERLINC ILL. PERFECT NEWSPAPER PILE Address For BOILERS and STEAM PIPES 143 Worth Street New York. 78 and 80 Lake Street Chicago. BUSINESS MANACER. New Catalogue of Valuable Papers NOVELTY ELECTRIC COMPANY. THE IMPROVED &COI JOHN

NEW CHEMICAL AND MISCELLANEOUS INVENTIONS. NEW WOODWORKING AND HOUSE AND CARRIAGE BUILDING INVENTIONS. 4 00 NEW HOUSEHOLD INVENTIONS. NEW AGRICULTURAL INVENTIONS. NEW MECHANICAL AND ENGINEERING INVENTIONS., scientific american, 1876-06-11

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