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HEALTHY CHILDREN HEALTH MERRY GO ROUND tioismanAuloiriobiles Elecause all Roads are made t be _traveled by Mtge Wfbeem. COLD GALVANIZING. Cheap and Reliable Watt Supply CRUDE ASBESTOS DIRECT FROM MINES PREPARED ASBESTOS FIBRE o r Manufacturers use

To the North Pole by Balloon. The East River Bridge. INTERFERENCE CASE—DECISION OF THE COMMISSIONER OF PATENTS. Commissioner Fisher has just rendered a decision in the interference .case of Townsend vs. Fowle for an improvement in submarine

A METALLIC TREAD PNEUMATIC TIRE. GROWNEY'S PNEUMATIC TIRE. NAJORK'S FOOT MOTOR BOAT. Silver from Silver Bromide. Sulphur Mining in Louisiana. AN IMPROVED BICYCLE BRAKE. STEWART'S BICYCLE BRAKE. Incubation of Diseases. The Chicago Police Telephone

TO INVENTORS. NEW BOOKS AND PUBLICATIONS., scientific american, 1878-12-11

VENT-CLOSING VALVE FOR PUMPS. FOLDING ICE-BOX. A HANDY ICE BOX. pan is provided with a drain-pipe to which a rubber Seismic Disturbances and the Isthmian Canal. The Current Supplement. An Improved Form of Apparatus for Producing Thin Films by

Adratigetunts 18V &WOOD WORKING MACHINERY LUCIUS W. POND OIL! OIL!! OIL!!! PEASE'S IMPROVED OILS! COTTAGE ORGANS Lithographed Gilt and Embossed 1;7r'') 19 4 proved Lathes for making large valve ete. Address, scientific american, 1868-05-30

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. IMPROVED VALVE MOTION FOR OSCILLATING ENGINES. Scientific American BY MUNN dr COMPANY. Agents. Improvement in Oscillating Engines. Tooth Powders. 0., 56-07-12

ELECTRICAL ENGINEERING TAUGHT BY MAIL. TRICAL ENGINEER?' EARN MORE Drafting Art Architecture Mining Metal. lurgy Business Stenography Journalism Bookkeeping etc. Scientific American. BECOME AN ENGINEER Electric Engineer. particulars about Free

DOUBLE ANIMALS. BY J. CARTER BEARD. Artificial Train OIL DOUBLE ANIMALS., scientific american, 1905-11-11

The Treatment of Neuralgia. Chinese Physicians. Legal Practice in London. parison. NOTEMAN'S ROTARY ENGINE., scientific american, 1879-06-28

scientific american, 1874-02-11

Improved Ohio Corn Rusher. Preparation and Properties of Rubidium. Preserving Flowers. BRINKERHOFF'S OHIO CORN HUSKER., scientific american, 1865-01-02

scientific american, 1889-03-11

Flying Impossible. Odd Jobs. Grindstones on the Farm. Where California Gold goes., scientific american, 64-08-27

Steel 'Under the Microscope. NEW PUBLICATIONS. MANUFACTURING MINING AND RAILROAD ITEMS., scientific american, 1867-12-07

Puts a Light Wherever Wanted! THE APPLIED DEVICE CO. Springfield Mass. DYNAMOS & MOTORS from 91.00 up C. dit T. ELECTRIC COMPANY Rollin Mills FOR FLATTENING WIRE Five Sizes HARDENED KRUPP STEEL ROLLS All Sizes THREAD ROLLING MACHINES GANG SLITTING

A. E. DRAGE.Agents. Fed rhen & Co. Boston. Dexter & Bro New York. Stokes & Bro. Philadelphia. E. G. Fuller Halifax N. S. 1 S. G. Courtecuty Charleston. S. W. Pease Cincinnati G. Responsible Agents may also be found in all the principal tittles and

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted In the Week Ending AND EACH BEARING THAT DATE., scientific american, 1876-02-12

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. J$3 per Annum Dissolving Bones. Improvement in Gumming and Sharpening Saws. Improved Watch Case. MA Sheep Wash. RKLAND'S PATENT ADJUSTABLE SAW GUMMER

STATES-THE ARCHITECTURAL MASTERPIECE PURCHASE EXPOSITION., scientific american, 1904-09-11

THE SPENCER AIRSHIP AND ITS THIRTY-MILE TRIP. Building Spencer's Airship. Spencer Starting on His Trip. The Aeronaut is Shaking Hands with Lachambre Builder oi the The Ascent from the Grounds at Crystal Paiaee Santos-Dumont Ships. London.,

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES j$3 per Annum cC;t1L010'1Hydrostatics Applied to Revolving Iron sorts. RYAN & HITCHCOCK'S REVOLVING IRON FORT., scientific american, 1868-12-23

HENRY W. RI:ILKLEY 98 Liberty St. New York. AMERICAN CHARCOAL IRON Boiler Tubes. WROUGHT-IRON TUBES AND FITTINGS FOR GAS STEAM WATER AND OIL. Coal Gas Works &c. &c. NO. 15 GOLD ST. NEW YORK. THE STANDARD MAKE! T E TANITE CO. Stron sharp Pa.

IMPROVED LEATHER-DRESSING MACHINE. sib-+Ot WATER REGULATOR AND INDICATOR FOR STEAM BOILERS. Spontaneous Generation an Impossibility. Rheumatism Recipes. ROSE1gSTEEL'S LEATHER-DRESSING MACHINE. COOK'S'. WATER REGULATOR AND INDICATOR FOR STEAM

PHOTOGRAPHIC NOTES weight than this will be taken and the cost is esti About Melons. 4as wel1 as in mathematics and the soleness. It is P urdue University. How to Increase your 'Wages. .4)41., scientific american, 1889-06-22

scientific american, 1860-06-23

HOW TO MAKE A SIMPLE ELECTRIC TELEPHONE REQUIRING NO BATTERY. Fig. 4REAR VIEW OF BIPOLAR TELEPHONE., scientific american, 1889-12-14

THE CHILIAN NITRATE OF SODA MINES AND WORKS. SIMPLE MILLING ATTACHMENT FOR FOOT LATHES. OLIVE OIL LAMP. Food before Sleep. Soldering of Glass and Porcelain with Metals. Eczema from the Virginian Creeper. MILLING ATTACHMENT FOR FOOT LATHES.,

THE WATER SUPPLY SYSTEM OF CHICAGO. gszientifir American. INTERIOR OF THE CRIB. THE INTAKE CRIB COMPLETED. THE FOURTEENTH STREET PUMPING STATION. NORTHEAST LAKE TUNNEL—INTAKE CRIB DURING PROCESS OF NORTHEAST LAZE TUNNEL—INTERNAL DIAMETER 10 FEET.

NEW BOOKS AND PUBLICATIONS. AND EACH BEARING THAT DATE., scientific american, 1882-02-25

THE FRENCH WAR SHIP ANIBAL BAUDIN. Scientific Uses of the Eiffel Tower. A New Channel Steamer. A THE FRENCH WAR SHIP AMIRAL BA17DIN., scientific american, 1889-05-25

REGIMENTAL BAGGAGE. THE RED CROSS SOCIETY AND THE AMBULANCE SERVICE. A UNITED STATES ARMY AMBULANCE ARRIVAL OF QUARTERMASTER'S TRAIN OF 34th MICHIGAN AT CAMP ALGER., scientific american, 1898-07-23

Fig. 1Detail Front 'View of Center of Aeroplane Showing the Motor Radiator Gasoline Tank and Seat. Fig. 2End View of the Aeroplane Showing the Vertical and Horizontal Rudders Propellers Gasoline Tank Motor and Radiator. Fig. 6Detail View of Front

TORREY STROPS are better than others be cause they are made solely t SPECIAL SCISSORS OFFER. DICKERMAN'S DURABLE New York City. DESKS Employer and Operator WYCKOFF SEAMANS & BENEDICT TYPEWRITER SAVE COAL BILLS QUAKER CITY RUBBER CO. 407 Market St.

The Keweenaw Copper Deposits. World's Fair Notes., scientific american, 1891-12-12

scientific american, 1875-09-04

scientific american, 1908-04-04

RADIUM STORAGE BATTERIES WITH OR WITHOUT INDICATORS Garden Hose Rubber Belting Steam Packing Rubber Specialties N. Y. BELTING 86 PACKING CO. WRITE FOR CATALOGUE THE BRISTOL CO. CRUDE ASBESTOS The Actual Worth Mullins Makes Everything In Art

INDEX OF INVENTIONS For which Letters Patent of the United States were Granted May 12 1885 AND EACH BEARING THAT DATE., scientific american, 1885-05-30

Vol. xxXINo. 3.1 $3 per Annum. THE ECLIPSE STEAK GENERATOR. Electricity Produced in mechanical _tenons. Sirius. Check chains on car Trucks. oil which pours directly into the tank cars. THE ECLIPSE STEAM GENERATOR., scientific american, 1874-07-18

Soft Solder Silver Plating. Nickel Plating., scientific american, 1870-03-19

Niles Tool Works.GRAY'S GRINDSTONE DRESSER. KEPT IN STOCK. BY MUNSON BROTHERS. %sint.u.s.nit sc Pure Nickel Aodes hew ork Office 92 and 94 Liberty act. AND VER4.1 PROOF WATCHMAKERS. New Caloric Pumping Engine New York U. S. A., scientific american,

Interior of Soldier's Horsehair Knapsack. How Emergency Rations of Barley and Rice Are Packed. Dried Japanese Picket Duty. The Army Shoe. Winter Marching Equipment. JAPANESE MILITARY SANITATION AND HYGIENE., scientific american, 1906-08-25

Nuointoo and Xtoonat, scientific american, 1875-02-11

THE SPIDER. How to Skeletonize Leaves. Paris Defended without Gunpowder. THE WATER SPIDER, scientific american, 1870-09-24

ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS., scientific american, 1885-05-16

blue patches were taken for seas and received names The Double Canals of Mars. The North Polar Cap of Mars. The South Polar Cap of Mars., scientific american, 1907-07-13

scientific american, 1860-02-18

ELECTRIC WAVES. EXPERIMENTS. EXHIBITED AT COMO. Internal Resistance of an Eight-wheel Passenger Locomotive. A 71er fl4.1 tA 2.70rwleki erAisssl dreiff4, scientific american, 1899-07-22

scientific american, 1860-05-26

BallBlack&Co. Silver Ware. OTIS BOLTCUTTER Safety Boiler. SENT FREE!, scientific american, 1869-11-27

BLISS ELECTRICAL SCHOOL A Marvelous Machine ! and Pipe Mill Machine. MFG. CO. 501 Curtiss 'American-Hunnings' TELEPHONES. AMERICAN ELECTRIC TELEPHONE CO. 173 South Canal St. Chicag Ill. Automobiles Pounded by Mathew Carey 785. - 810 Walnut St.

LORILLARD ROUSE BOAT DAMIAN. Cheap Aluminum. Uses of Unvuleanized Rubber. The Detection of Hydrocyanic Acid in the Blood. Colorless Varnish., scientific american, 1892-01-02

GENERAL MONTGOMERY CUNNINGHAM MEIGS. GENERAL MONTGOMERY CUNNINGHAM KHIOS, scientific american, 1892-01-30

THE TIDAL ' BORE ' AT MONCTON. New Process offaking Ph otogra ph ic Reliefs. N. B. RIVER AT MONCTON LOW TIDE ON THE PETITCODIAC, scientific american, 1899-12-02

PROGRESS OF THE GREAT RAILWAY TUNNELS UNDER THE HUDSON RIVER BETWEEN NEW YORK AND JERSEY CITY. THE HUDSON RIVER TUNNEL. THE HUDSON RIVER TUNNEL—THE 'ERECTOR' AND THE HYDRAULIC SHIELD., scientific american, 1890-11-01

Apparatus for Measuring Preponderance of Weights. subject to be tested holds his head perfectly rigid by The Adams Chronoscope. Apparatus of the Pendulum Type for Determining the After-Image Effect. MODERN EXPERIMENTAL PSYCHOLOGY—ITS METHODS AND

RECENTLY PATENTED INVENTIONS. Pertaining to Apparel. Electrical Devices. Of Interest to Farmers. Of General Interest. Hardware. Prime Movers and Their Accessories. Railways and Their Accessories. Pertaining to Recreation. Business and Personal Wants.

The Grasshopper. An Improvement Wanted in Street Railways. Is Candy Injurious to the Teethe Hollow Structures. Free Lunch Suspended., scientific american, 1875-04-17

WILSON SEWING MACHINE CO Cleveland. 0.; at. TERMS FOR 1872. CLUB PREMIUMS. MUNN & CO. 37 PARE ROW EW YORK. StliNtE HUH 1 8 7 2. MUNN 6: 37 Park Row. New York city. BAIRD'S MICROSCOPES. P. BLAISDELL & Co. PRINCE'S 7.3 TRADE MARK. Sag n. STEAM ENGINES

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XXXL—No. 26.1 [NEW SERIES. J NEW YORK DECEMBER 26 1874. 162.20 per Annum 1 Postage prepaid RAILWAY BRIDGE NEAR YORK ENGLAND. California's Growing

Drawing Copying and Ink Pencils Sample worth double the money will be sent you on receipt of 10c. A. W. FABER Polar Water Stills CHICAG THE PERFECT PROTRACTOR Walsh Window Tent Hartford Fire Insurance Cowan High Wheels Travel all Roads Because all

source of illuminating power is obviously the ignited this passage the heat will convert the mercury int as they were struck down in their efforts to escape., scientific american, 1863-05-02

BY HENRY NORRIS RUSSELL. PH.D. NIGHT SKY: MAY AND JUNE Effect of Silicon in Iron. At 8 o'clock: June 22. Ato'clock: May 7. At 10 o'clock: May 22. Ouse inn), scientific american, -1909-05-29

BY HAROLD J. SHEPSTONE. diameter and magnify 85 58 and 6 times respeo THE MOUNTAIN TELESCOPES OF SWITZERLAND. A Stereoscopic telescope which preserves perspective values. Watching a climber on the Matterhorn through a 5 8-inch telescope on the

Contents:, scientific american, 1865-12-23

out moonlit' Ticlewsvater Elevator. American Invention. FOR 1864! mechanic and artisan but It is found in the counting-room of the Munn AL Co. Publishers FROM THE STEAM PRESS OF JOHN A. GMAT ORRILE. MOULTON'S TIDE-WATER ELEVATOR., scientific

scientific american, 1862-08-02

RECENTLY PATENTED INVENTIONS. Engineering. Agricultural. Miscellaneous. rhe charge for Insertion under this head is One Dollar a line for each insertion : about eight words to a tine. Adver TO INVENTORS. INDEX OF INVENTIONS United States were Granted

LARGE CRAFT ON THE LAKES. MUNN & CO. Editors and Proprietors. NO. 87 PARK ROW NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition Contents. OUR DEEP SEA FISHERIE& THE SCIENTIFIC AMERICAN

The Protection of Woodwork etc. LE OOENTRE'S SOUNDING APPARATUS. Belting vs. Frictional Gearing. Useful Recipes for the Shop the Household and the Farm. 4., scientific american, 1875-12-04

HANDLING THE GRAIN CROP AT THE PORT OF NEW YORK. 8FLOATING ELEVATOR TRANSFERRING GRAIN FROM TWO LIGHTERS., scientific american, 1897-11-20

TO INVENTORS. INDEX OF INVENTIONS For which Leiter. Patent of the United States were Granted March 19 1889 AND EACH BEARING THAT DATE., scientific american, 1889-04-06

PLAGUE OF LOCUSTS IN AUSTRALIA. THREE RELATED BREEDS OF DOGS. THE PLAGUE OF LOCUSTS IN AUSTRALIA. LEAkING THREE RELATED BREEDS OP DOGS., scientific american, 1887-04-02

CHEAP ECONOMICAL EFFICIENT., scientific american, 1881-04-02

At No. 37 Park-row (Park Building) New York INVENTIVE GENIUS AT THE SOUTH. PROGRESS OF COLOR-CHEMISTRY., scientific american, 1862-02-01

A NEW ELECTRIC ANNUNCIATOR. --, scientific american, 64--12

fritutifir Ituttrican.[PROM THE LONDON GRAPHIC. THE MANUFACTURE OF OPIUM. A Tree with 200 Birds' Nests. CUTTING DRAINS BY MACHINERY. DRAIN CUTTER. Mining Cables., scientific american, 1882-07-29

Washington Life Insurance Company. More Telephone Triumphs., scientific american, 1877-03-03

from prominent men. To introduce our Radiator the first order from each neighborhood filled at WHOLESALE price thus securing an agency. Write at once. ROCHESTER RADIATOR CO. Rochester N. Y. Motor of 19th Century Charter Gas Engine Co. THE COLD

INTERESTING CORRESPONDENCE., scientific american, 1860-06-09

STEAM DOILBRSTHEIR FORM CON STRUCTION AND MATERIAL. BROWN & SHARPE'S CUTTER FOR THE TEETH OF GEARS. EXPOSITION NOTES. New Recipes., scientific american, 1867-06-15

[OFFICIAL. Index of Inventions For which Letters Patent of the United States were granted 125945 DESIGNS PATENTED. TRADE MARKS REGISTERED. BlIJNN dr C Patent Solicitors 37 Park Row Sew York. 50 Ill APPLICATIONS FOR EXTENSIONS. EXTENSIONS GRANTED.

ODDITIES IN INVENTIONS. TRAVELING LAWN SPRINKLER. AN IMPROVED AWNING. IMPROVED SHAVING MUG. DETACHABLE SLEIGH RUNNER. COMBINATION DRIVING AND CHECK BIT. , scientific american, 1904-02-20

Remedies for Carpet Beetles Moths etc. The Ice Cave of Decorah Iowa. Telephones and Sounders. Tracing the Hudson under the Sea. OBSERVATORY OF VASSAR COLLEGE. Mercury. Mars. Jupiter. Saturn. Uranus. Brorsen's Comet. How to Prevent Diseases among

NEW BOOKS AND PUBLICATIONS.1, scientific american, 1882

Costs El Cents a Day to Heat. No Extra Fixtures Required. Finely Nickel Plated. DELIVERED FREE ON RECEIPT OF PRICE. Send for Descriptive Circulars THE BOLGIANO WATER MOTOR CO. WHOLESALE AND RETAIL. THE sEsir POPE MFG. CO. Chicag Hartford. THE

100-Horse power. Centrifugal Pumps 100 to 100000 Galion per IVIInnte Best Pumps In the World pas Mud Sand Gravel coal Grain etc. wills. out injury. All Ltght Simple Durable and Economical. Gal ior Circulars. EDWARD H. HOSKIN Lowell Mass. Niagara

14 98 MILL S. New York August 4 1860, scientific american, 1860-08-11

RECENTLY PATENTED INVENTIONS. Agricultural Implements. Engineering Improvements. Hardware. Mechanical Devices. Hallway Improvements. Vehicles and Their Accessories. Miscellaneous. Designs., scientific american, 1903-06-06

patent circular saw with movable or inserted teeth for which we claim the following advantages over all others : The shanks of our saw teeth are elastic and exert a plate is in no way affected by inserting new sets of teeth. No rivets keys or other

GAS ENGINE TRICYCLE. GAS ENGINE TRICYCLE. HYDRAULIC JAW PLATE PUNCH. HYDRAULIC JAW PLATE PUNCH., scientific american, 1895-01-12

Increased Ilse of Oil Fuel. MOISSAN ELECTRIC FURNACE OPEN AND UPTURNED., scientific american, 1902-08-30

ENGINKERING INVENTIONS. AGRICULTURAL INVENTIONS. 4MISCELLANEOUS INVENTIONS. BUILDING EDITION. SEPTEMBER. NUMBER. Special. TONGUE. a3uoinezo anb qiiersonat. NEW BOOKS AND PUBLICATIONS. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the

NEW PUBLICATIONS., scientific american, 1867-01-05

MUNN & CO. Editors and Proprietors. NO. 37 PARK ROW NEW YORK. X' :EA Ft XVI SE; . DECISION OF AN IMPORTANT PATENT LITIGATION. THE AGASSIZ MEMORIAL. THE GENESIS OF THE HORSE. Contents: TIETHE SUPPRESSED MEMBER AGAIN., scientific american,

THE CORUNDUM MINES MACON COUNTY N. C. HOT JOURNALS. WORLD'S FAIR IN 1883. Beet Sugar Making in Delaware. AN INVENTION WANTED. Death of' One of Nature's Gluttons.' -a IConvergent Squint., scientific american, 1880-12-11

WOODROUGH 8c WPARLIN WOODROUGH & M'PARLIN Back Page8100 a line BAIRD'S LARGE AND SPLENDID WILLIAMSON'S WOODWORTH PLANERS PATENT BANDSAW MACHINES AMERICAN GRAPHITE CO.„ Grade.s for Special Uses prepared to order. Reynolds' Gearing. Shafting

CELLS SHOWING WHITE CAPPING AND IMMATURE PUPA. STING SHOWING LANCES DETACHED FROM THE SHEATH. x 35 DIAMETERS. HORNET SHOWING STING. The Current Supplement. Contents. POINT OF ONE OF THE LANCES. X 150 DIAMETERS. (STUDY FROM LIFE.) SECTION OF HORNET'S

THE NEW YORK AQUARIUM—THE CORCORAN WATER TANKS. THE NEW YORK AQUARIUM—VIEW OF MAIN FLOOR., scientific american, 1894-12-15

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