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Treating the Sewage of a Large City. Ten Miles Above the Earth. Chinese Silver Ware. Pittsburg Natural Gas Supply. Wooden Water Mains., scientific american, 1893-12-16

scientific american, 1863-05-30

NEW BOOKS AND PUBLICATIONS. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted May 7 1889 AND EACH BEARING THAT DATE. box. Lade box. Neat box., scientific american, 1889-05-25

New Factory of the Edison Electric Lamp Company. Photography of Maps etc. Coal Jigging in the Schuylkill Region. PHOTO BASS-RELIEFS. BASS-RELIEFS BY PHOTOGRAPHY. A LUMINOUS SHARK. BY C. F. HOLDER. LUMINOUS SHARK, scientific american, 1882-07-22

CIENTIFIC US CENTS A COPY RELIANCE RUNNING 'WING AND WING' FOR THE FINISH., scientific american, 1903-08-29

Warranted Seed. BAIRD'S BOOKS PRACTICAL MEN 810 Walnut St. Philadelphia. Pa. U. S. A. Useful Beautiful and Cheap. New and Valuable Books HOME FISHING AND HOME WATERS.-By DELAFIELD'S PAT. SAW CLAMP NOROTON MEG. WORKS Nototon Conn. STEAM and ELECTRIC

INCREASE OF OUR EXPORT TRADE T AFRICA. METAL RAILROAD TIES CHEAPER THAN WOOD TIES. THE UNDERGROUND TROLLEY IN THE RECENT SNOWSTORM. THE LOSS OF THE ' PORTLAND.' SECRETARY LONG'S REPORT. THE PROPOSED ADDITIONS TO THE NAVY., scientific american,

BY HENRY NORRIS RUSSELL PH.D. still very low down. The great nebula which is easily THE PLANETS. THE MOON. among the rails from the bottom of the ingot. root molasses. At 10 o'clock: Juiy22. At 9 o'clock: Aug. 7. At o'clock: Aug. 22, scientific

312 The bursting of Guns. GUN PROJECTILES AND SABOTS. The Galibert Respiring Apparatus. WIRBEL.BEWEGIING., scientific american, 1867-05-18

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CIIEMISTRY AND MANUFACTURES. Vol. XV.No. 13. .$ $3 per Annum Machine for Twisting Augers. GRIER & BOYD'S MACHINE FOR TWISTING AUGERS., scientific american, 1866-09-22

Scientific American, 03-03-14

LETTERS FROM THE PARIS EXHIBITION., scientific american, 1878-06-11

Prof. Forbes's Theory of Jupiter's Eighth Satellite. Bacteria and 'Molecular Ittotion” Seen with the Naked Eye. Section of Completed Portion of Yuma Levee. The $269000 Transvaal Stope Drill Competition. 4 I Providing for Future Railroad Ties.,

A CHINESE SCIENTIFIC SOITENAL.Education in China. CHINESE SCIENTIFIC LITERATURE. Wear of Railroad Rails. The Origin of Our Earth. Calla Lilies. Suet Butter., scientific american, 1876-04-29

NAVIGABLE TRAINS OF AIR SHIPS. A REMARKABLE FUNGOID GROWTH. The Arlberg Railway. A REMARKABLE FUNGOID GROWTH. Exudations on Brickwork. Smoke Testing of Brains. PETERSEN'S AERIAL WAR VESSEL. and beautiful views of the Alps hitherto rarely seen.

scientific american, 1876-11-18

Adulteration of Aniline Colors. BY PBIEDRICH EHRLICH.Another Important Telephone Decision. 0- Societies for the Promotion of Thrift. 4 0 George 3I. Beard. Edward II. Knight LL.D. I The First Comet of 1883. The Floods in Europe., scientific american,

ork. Other foreign patents may also be obtained. ARTESIAN WELLS TO INVENTORS AND PROMOTERS. We have had for many years as a specialty the manu MORRIS HEIGHTS NEW YORK CITY. BALING YACHTS LAIATCHES ROWBOATS CANOES THE INGEFtSOLL-SERGEANT DRILL CO.

C The Hog Bouncer.A Novel and Useful Invention U. S. Revenue Marine ServiceRequirements of Candidates as Engineers. UNIVERSAL MILLING MACHINE. The Clematis.Il Demand and Supply in Invention., scientific american, 1876-07-08

STEAM BOILERS—THEIR FORM CONSTRUCTION AND MATERIAL. WARD'S UNIVERSAL CLOTHES FIN. KIPS AND ALLMENDINGER'S OILER., scientific american, 1867-05-25

RECENTLY PATENTED INVENTIONS. Agricultural Implements. Engineering Improvements. Mechanical Devices. Railway-Appliances. Miscellaneous Inventions. Designs. NEW BOOKS ETC. 'Z3usinesss an (Wersonal. HINTS TO CORRESPONDENTS. INDEX OF INVENTIONS,

ROSS'S IMPROVED WATER WHEEL. HAMMOND'S IMPROVED MOLE PLOW., scientific american, 1860-02-25

The Iron Business. The New Exposition at New Orleans. Sunstroke or Thermic Fever. An Early Safety Lamp. The Gulf Stream., scientific american, 1885-08-08

before pouring the metal. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted April 14 1885 AND EACH BEARING THAT DATE. board. Wagon scoop board., scientific american, 1885-05-11

A. Remarkable Woman Grub Fu ngl. Watch Glasses. 1THE TRAIN STAFF BLOCK SYSTEM. Poisonous Dry Goods. TRAIN OF A SERIES., scientific american, 1891-06-13

RECENTLY PATENTED INVENTIONS. Electrical Devices. Household Utilities. CLOSET-TANK.-W. C. A. Vis SING JR. Machines and Mechanical Devices. Designs. Business and Personal Wants. every case it is necessary to give the number of the inquiry. MUNN & CO.

Motor Cars Our Catalogue Gives a Good Idea THE PEERLESS MOTOR CAR CO. 'S'TAN DAD' Two=Speed Automatic Coaster Brake Hub THE STANDARD 0:MEAN Y . . Torrington Conn. IRONHIDE PATTON PAINT CO. 227 Lake Street Milwaukee Wis. .75 30 DAYS FREE TRIAL - r ._

PAUL ROTTON. Sea Lion Park Coney Island. FREE FOR REQUIRED. ELECTRICAL ENGINEERING TAUGHT BY MAIL. 'CAN I BECOME AN ELEC TRICAL ENGINEER?' The Franklin Model Shop. PARSELL at WEED CIVIC ONDERS complete information. OHIO ELEOTRIC WORKS Cleveland Ohio.

BRAINARD'S ' UNION ' PAINT MILL. Chemical and Mechanical Treatment of Ores. New 'Machine for Sowing Cotton. Oiling Agricultural Machines. Seasoning Lumber. Manufacture of Vache Lissie., scientific american, 1865-08-05

RON PLANERS AND ENFINE LATHES QECOND-HAND MACHINISTS' TOOLS CCENTR IC SCREW AND GRIPPING DUSEY'S HORSE POWER GOVERNOR QTEAIII ENGINES STEAM BOILERS. N. Y. r'Ll HE WORKS OF THE AUBIN GAS CO. 'PHILADELPHIA RIVET WORKS—MANI' head. PHILIPS & ALLEN.

TRAPPING BIG GAME OF THE SEA. The Value of Food to Life. FINBACR WHALE CAUGHT IN THE NATURAL TRAP AT PROVINCETOWN CAPE COD. BLACKFISH CAUGHT IN THE NATURAL TRAP AT PROVINCETOWN CAPE COD., scientific american, 1903-11-28

JAS. LtIFFEL & Co. Auger Bits., scientific american, 1869-10-30

BY, scientific american, 1867-03-02

THE SCIENTIFIC AMERICAN. 135, 1859-08-27

NO SKILLED ENGINEER. THE SHIPMAN AUTOMATIC STEAM ENGINE. No extra insurance. Efficient Economical Durable. SHIPMAN ENGINE COMPANY515 paper. Cu ttblisou t .d send it tons send you one of these elegant richly jeweled golclanished watobea by expreas for

THE INVENTION OF THE SEWING MACHINE. HT THE ENGLISH CORRESPONDENT OF THE SCIENTIFIC AXERICAN. THE INVENTION OF THE SEWING MACHINE., scientific american, 1904-01-23

Spiritual Materialization. COMBINED SHAFTS AND POLE FOR VEHICLES. PETTINGER'S COMBINED SHAFT AND POLE FOR VEHICLES. Seeing and Hearing. The Postal Ounce. PHOTOGRAPHIC NOTES., scientific american, 1885-10-31

Car Springs Wagon Springs. Wringer Rolls Crain Drill Tubes Corrugated Rub ber Matting. - PATENT RED STRIP RUBBER BELTING. PATENT CARBOLIZED RUBBER FIRE HOSE GUTTA PERCHA & RUBBER M'F'G CO. 23 Park Place New York. HENRY CAREY BAIRD & CO. ROOFING.

Science Notes. specially remarkable among the metals. It would LANODON'S COMBINED BED AND SOFA.40 A Polar Region Slap. white. The names on the map are not crowded and A Trolley Without Poles. Prompt People., scientific american, 1896-06-20

PRICE LIST. C. J. BAILEY & C INGERSOLL ROCK DRILL CO. ROCK DRILLSOI ® ab. ELECTRIC LIGHT AND POWER. THE ELECTED DYNAMIC COMPANY SEBASTIANMAY&CO'S Power ji4 ARTESIAN, scientific american, 1888-10-20

The November Number of American Homes and Gardens. Prize for a Safety Automobile Crank., scientific american, -1909-10-30

Money Received BackNumbers and Volumes of the 'Scientific American.” TO Oillt READERS. RATES OF ADVERTISING., 64-10-01

THE POWER HOUSE AT BERLIN., scientific american, 1897-06-12

ON EXECUTION? THE ACHIEVEMENTS OF SCIENCE., scientific american, 1860-05-12

The First Electric Telegraph. Imported Cattle Disease. BIRDS IN AB AQUARIUM. Synthesis of Salicine. Luminosity of Flames. New York Stock Quotations Received via Boston., scientific american, 1883-08-25

THREE SYSTEMS OF ELECTRIC DISTRIBUTION. THREE SYSTEMS OF ELECTRIC DISTRIBUTION. Gigantic Flag Poles., scientific american, 1892-12-03

A FLOATING PISTON. Scientific American A NON-FREEZING VALVE. Model of an Airship. BY H. D. JONES. A NON FREEZING VALVE FOR TANKS. Working Model of a Winton Touring Car Exhibited at a Recent Automobile Show. Model Constructed of Brass Iron Silver and

CUTTING GEAR WHEELS. A Scientific Inter-Collegiate Contest GEAR WHEEL CUTTING MACHINE. BESSEMER'S OSCILLATING SALOON STEAMER. The End of the World., scientific american, 1875-01-30

NO. 37 PARK ROW NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition. Contents. THE SCIENTIFIC AMERICAN SUPPLEMENT 1Vo. 1438. For the Week ending March 22 1879. THE PATENT BILL DEFEATED.

The Preparation of Fancy Soaps. Oil Proof Rubber for Steam Packing etc., scientific american, 1871-09-02

scientific american, 1875-07-17

Improved Pantaloons Protector. Improved Hnuckle.joint. tricity. Mr. Peabodyfs Gift. FOR 1864! Club Rates. Munn dc Co. Publishers. FROM TRE SWAM PRESS OP JOVE A OUT & ORRIN HEATON'S PANTALOONS PROTECTOR., scientific american, 1864-04-16

WIRE ROPE. L. L. SMITH & Co. Nickel Platers 6 HOWARD ST. New York BUILDING UILDING PAPER TARRED SHEATHING PREPARED PLASTERING BOA RD DOUBLE THICK ROOFING BOILER DISASTROUS EXPLOSION Practically Tested FOit TEN YEARS. HARRISON BOILER WORKS Weston's

A. WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISYRY AND MANUFACTURES.$-' L$3.00 per Wear., scientific american, 1886-12-25

A NEW TIDE MOTOR. TOMICINS' TIDE MOTOR. THE LARGEST FLOATING DOCK IN THE WORLD. DRAUGHT ATTACHMENT FOR LOCOMOTIVES. DRAUGHT ATTACHMENT FOR LOCOMOTIVES. STETTIN FLOATING DRYDOCK CARRYING THE NORTH GERMAN LLOYD STEAMSHIP 'SPREE.', scientific american,

joined to durability; speed united with safety; strength wrought in grace. The OLDEST INCORPORATED CO. In U. S. Making Automobile Boilers. Steam Carriage Boiler Co. COLD GALVANIZING $ THE CELEBRATED WM. G. WILLARD Dept. 2 619-21 N. 4th Street St.

scientific american, 1868-04-18

454 NOVEMBER 8 1873. Oolitic Amnion Pli.uointoo and Wtonal., scientific american, 1873-11-08

Pressure Blowers Ready Roófthg' TURBINE WATER WHEELS PEASE'S IMPROVED OILS! BRASS AND COPPER WIRE German Silver etc. A QUARTER OF A CENTURY. 37 Park Row New York. 21rA Handsome Bound Volume containing 150 OIL! OIL!! OIL!!! Patent ARTIFICIAL LIMBS.

Valuable Books! 3 3Modern Machine lation Including Both Hand and By W. H. VANDERVOORT M. E. TWENTY-THIRD EDITION Experogsai science By GEORGE fl. HOPKINS DIES THEIR CONSTRUCTION AND USE For the Modern Working of Sheet Metals. H Octavo. Cloth. Very

iron such as cast-iron nails sewing needles watch spring and a piece of iron rod all of which repel the upper north-pole of the above described astatic needle attract the upper north-pole of another one and equally attract north and south-pole of the

KORTING UNIVERSAL INJECTOR FOR BOILER FEEDING. WILL LIFT WATER 26 FEET. SEND FOR DESCRIPTIVE CIRCULAR. OFFICES AND WAREROOMS: PHILADA. 1279 & THOMPSON STS. NEW YORK 109 LIBERTY ST. BOSTON 7 OLIVER ST. AUGUSTA GA. 1028 FENWICK ST. DENVER COL. 194

Glorreesponbence. Self-Mending Insects. The Mineral Wealth of Siberia. The Manufacture of Japan Soy. PHOTOGRAPHIC NOTES., scientific american, 1887-12-10

New Steel Highway Bridge and New Gatehouse at Old C =al CLOSING OF THE CROTON DAM. BUILT FOR I, scientific american, 1905-04-15

DUNGEON UNDER THE 'NEW GAOL' IN WHICH THE AMERICAN SOLDIERS WERE IMPRISONED DURING THE REVOLUTION:, scientific american, 1903-01-31

Ay the ELGIN WATCW dependable or all timeAeeper-s: ELGIN NATIONAL WATCH CO. ELGIN. ILL 'THE CHRISTMAS STORY' SHOES THAN ANY OTHER MANUFACTURER IN THE WORLD. Superior in Fit Comfort and Wear. W. L. DOUGLAS Brockton Mass. THE NEW ENGLAND WATCH COMPANY

CONDENSING ENGINE ANTWERP EXHIBITION. DETAILS OF CONDENSING ENGINE ANTWERP EXHIBITION. CONDENSING ENGINE 120 HORSE POWER ANTWERP EXHIBITION. FIG .2. m.17'.21 MEM, scientific american, 1886-02-06

THE POLYTECHNIC ASSOCIATION OF THE AMER ICAN INSTITUTE. Extracts from Fairbairn's Address., scientific american, 1861-10-05

THE GORILLA AT THE PARIS MUSEUM OF NATURAL HISTORY. STREET ELEVATOR AT STOCKHOLM. YOUNG GORILLA AT THE PARIS MUSEUM OF NATURAL The Poisons of Well Waters. THE GREAT STREET ELEVATOR STOCKHOLM SWEDEN., scientific american, 1884-06-28

these cannot reach the earth on account of the vio lence ot the upward current but are on the con trary carried to the region of perpetual congela tion there frozen and thrown off at the sides of the hail cloud. Bow. Cauf. Doe. Hock. Ruff: Throe.,

THE NEW EXPLORATION OF THE AMAZON RIVER BY PROFESSOR ORTON.UP TILE AMAZONS. The Hartford Steam Boiler Inspection and Insurance Company., scientific american, 1873-11-08

7 COPERNICUS BY EARTH LIGHT. .e. Change of Pitch in the Tone of Moving Bodies Experiments—The Condensation of Alcohol by Frost., scientific american, 1868-08-19

BELMONT RACE 'TRACK Motor Cars In Hungary. Neuchatel Steam Turbine Plant. (YORre OOKLYN MAP SHOWING THE ELECTRIFIED LINES OF THE LONG ISLAND RAILRCAD., scientific american, 1905-11-18

Vall SHEET IRON. SKYLIGHTS VENTILATORS Conservatory Roofs and Hotbed Frames 1832.ScHOTKilflatte BRASS AND COPPER WIRE. German Silver etc. AT FACTORY PRICES. OLMSTEAD'S IMPROVED OILER Always Right Side 17p Chairs Iron Stairs Spiral and Straight WIRE

scientific american, 1867-07-13

The 'Potato Cure.” Death Rates of the World's Largest Cities. AMERICAN. WI lb I.Estimated Population for 1900. PORTABLE PARLOR FOUNTAIN AND FLOWER STAND. PORTABLE PARLOR FOUNTAIN AND FLOWER STAND. A CURIOUS TOMBSTONE. Subterranean Fires. A New

Xuotittoo and Room'. market. Prices low. D. Friable & Co . New Haven. Ct., scientific american, 1876-03-11

Pink Eye in Horses. Milk Diet in Bright's Disease. Insanity in the United States. Whalebone. NEW INVENTIONS. The First Chinese Ir.snclad. Effects of Atmospheric Electricity., scientific american, 1882-0

scientific american, 1865-07-22

TO CORRESPONDENTS. The American Inventors Almanac. Barlow & Payne Patent Agents and Consulting Engineers Patent Agency. TO MECHANICS & MANUFACTURERS. BRITISH PATENTS. PATENT SOLICITORS. The Procuration of Patents. Z. C. Robbins Consulting Engineer'

Large Centrifugal Pumps. as. PRESSURE FROM ONE TO TWO ATMOSPHERES. TENTHS. HUNDREDTHS. THOUSANDTHS. Units. Units., scientific american, 1869-04-17

scientific american, 1875-12-18

INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending Novemher 3 1908 AND EACH BEARING THAT DATE Cock ball H. N. LibbeY 902825, scientific american, 1908-11-14

344 Improved Awning. The Friction of Water Tubes. A SIMPLE FILTER. How to Choose a Steam Engine. MILLER & McCLELLAN'S IMPROVED AWNING., scientific american, 1869-11-27

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.

The Examination of Inventions. Preliminary Examinations at the Patent Office How to Make an Application for a Patent. Caveats. Foreign Patent Inventors will do well to bear in mind that the English law does not. in obtaining Patents in foreign

Machine for Converting Reciprocating int Rotary Motion. INVENTORS MECHANICS AGRICULTURALISTS. PROSPECTUS MECHANICAL JOURNAL IN THE WORLD CONVERTING RECIPROCATIN G INTO ROTARY MOTION. JANUARY 11865. is employed where large numbers of horses have t the

A CONDENSER FOR STEAM ENGINES. TWO NEW RANGE FINDERS. SNELL'S CONDENSER FOR STEAM ENGINES.' SEARLE AND SAEGMULLER'S RANGE FINDERFig. 1. Time for Surgical Operations. A REVERSING VALVE FOR ENGINES. ROY'S REVERSING VALVE FOR ENGINES. INSERTING CORKS IN

IMPROVED PUMPING ENGINE OF THE BOSTON WATER WORKS SYSTEX, scientific american, 95-09-14

A. S. LYMAN. lasting and Forging. The Pacific Mills.The North Central and South American Exposition., scientific american, 1885-09-05

scientific american, 1863-03-07

208 No. 261 BROADWAY NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Contents. THE SCIENTIFIC AMERICAN SUPPLEMENT For the Week ending April 8 1882. ALARM. VIRCHOW ON SOUPS AND BROTHS., 1882-04-08

Mechanics and Manufacturers, scientific american, 1852-05-22

0, scientific american, 1866-05-05

WHERE INVENTIONS COME FROM. HOW TO GET A PATENT. Curiosities of Scientific Literature. Weights for Use in' Experiments. FEBRUARY II 1 87 L, scientific american, 1871-02-11

Count Zeppelin's Experiments. Carrara Marble., scientific american, 1904-04-23

Porter's Governor The Allen Boiler and Pure Para Rubber WRIGHT & CO. Steam Engine Page Brothers Sole Manurrs Franklin N. U. Harrison a:is;oceiteyr. HARRISON BOILER WORKS Philadelphia Pa. PATENT DIFFERENTIAL Pulley Blocks. 229 West 10th street New

NO SPOTS GRAND PRIZE PARIS 1900 NOR BLOTS possible with the HAYNE SUSPENDED INKWELL 71 HOW 0 JUDGE STAN_ LAWS' GIRLS PICTURES . . FIRST OFFER $1 tained an the events of the day are discussed and illustrated in the most interesting way. LESLIE'S

JENKINS' AUTOMATIC AIR VALVE Inside Page each insertion Back Page each insertion . - 81.00 a line. INSTALMENT BONDS. Thirty-ninth Annual Statement For Anti-Friction Bearings of Best Cast Steel. Hardened NEW CATALOCU —OF VALUABLE PAPERS PATENTS.

JUNE 1 1901. THE UNITED STATES EXPERIMENTAL MODEL BASIN. ME THOD OF ATTACHMENT OF MODEL TO TOWING PLATFORM. WAVE-LINE OF ' GEORGIA ' MODEL AT 415 KNOTS; EQUIVALENT TO 19 KNOTS. GENERAL VIEW OF MODEL BASIN SHOWING TOWING-CARRIAGE WITH MODEL ATTACHED.,

search results: Art clear search