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A MOTOR ICE BOAT. THE FASTEST SHIP IN THE AMERICAN NAVY. ries 2 inches of nickel ateel at the waterline and THE MOTOR ICE BOAT—THE LATEST TESTING APPARATUS FOR ASCERTAINING THE EFFICIENCY OF AN AERIAL PROPELLER. NEW 26.5-KNOT SCOUT CRUISER

Adopted and used by the United States Army. We are prepared to offer direct to the rider special price where we are not represented. Write us for particulars. BUFFAL N. Y. (Drawer C.) tribune le Bicycle Tested and True. 9.0 ORDINARY RATES. Inside

MUNN & CO. WITHOUT EXTRA CHARGE. EUROPEAN PATENTS. MUNN & CO. Adrertiontent5. A GOLD MEDAL BRONZE .WORK. Mason's Lever Punch Combination GrateBar A N N 0 N C E. E N T. GOULD & LINCOLN No. 59 Washington Street Boston OR Year Book of Facts in Science

TREATISES AND INVENTIONS DESIRED IN PRANCE. SPECIAL NOTICES. Reported Orscially for the Scientific American., 1865-05-06

Drink Legislation in Austria. COBRA CHARMERS. THE EAST INDIAN COBRA. a iarge cobra striking angrily at him. The crow danced 4P 44 Early Britons. were found associated with longer limb bones show Trial of an Electric Street Car-anlien System. at 32d

A HALF CENTURY OF MINING. in the United States. To have graduated from an perience in the practical routine of America' mining ment of wealth to the nation than the production of gold silver and copper combined has been the devel THE GREAT SEAL ON

Leafless Trees. Coal Production of the World. TEE CARD SHIMMER. THE CARD SHIMMER. MACHINE FOR SHARPENING CUTLERY. Fig. IMACHINE FOR GRINDING RAZORS—END VIEW. Water Power. Antiquity of the Harp. Fig.13THE MACHINE ARRANGED FOR SHARPENING SCISSORS.

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at THE FASTEST LONG DISTANCE TRAIN IN THE WORLD. --.-41-0-1 COST OF WIRELESS TELEGRAPHY. MERCANTILE MARINE., 1902-03-08

scientific american, 1872-01-27

NEW YORK ROOTS' ROTARY HYDRAULIC ENGINE. 7'01Re BLOWING ORGANS AND RUNNING LIGHT MACHINERY OPERATED BY ' _HYDRANT PRESSURE. GIVES GREATEST USEFUL EFFECT CP WATER. IS A POSITIVE PRESSURE ENGINE. 57 MAIDEN LANE NEW YORK. Mill Stones and Corn Mills. We

Number 2. A Protest Against Pharaoh's Serpents., scientific american, 1865-12-23

AI6., scientific american, 1878-04-27

Index of Inventions For which Letters Patent of the United States were granted Patent Solicitors 37 Park Row. New York. 37 Park Row N. Y., scientific american, 1872-04-13

Interesting Discoveries in Yucatan. How the Weather indications are Determined. OPENING OF THE NEW WORKSHOP OF THE STEVENS INSTITUTE 01? TECHNOLOGY. TOOL ROOKSTEVENS INSTITUTE. ORKSHOP OF THE STEVENS INSTITUTE OF The Pauperizing of English Labor. How

THE INNOVATIONS OF THE AGE. VALUABLE RECEIPTS., scientific american, 1862-12-13

TRADE MARKS. DESIGNS. Rue's Little Giant Injector. VAN DUREN'S PAT. LOOSE PULLEY OILER. 'LINEDIE 7 Reversible Collars & Cuffs. FREE CHRISTMAS PACKAGE. A NEW IDEA WINDOWS DOORS TRANSOMS eke. Stained Glass SUBSTITUTE AGENTS WANTED EVERYWHERE. EMPIRE OF

It has been well said that necessity is the mother of inven The Manufacture of Textile Fabrics at Pompeii. Hints for the Country. Lima and Oroya Railway in Peru. Nitro.Lthan--.A New Substance. Intelligent Monkeys. Photographs of the Freckled. Snuf'

leaks effectually and cheaply in roofs Particulars free if you mention this paper. INDIANAPOLIS IND. FOR SHEDS OR OUTBUILDINGS we are now manufacturing a most excellent roof for $2.00 PER 100 SQUARE FEET Including nails caps and paint for entire

Ilow Birds Sing and How They Fly. A CYCLE CAB. A CYCLE CAB. 1Coating Aluminum with Other Metals. A SPROCKET WHEEL IMPROVEMENT. MURPHY & KOLB'S IMPROVEMENT IN SPROCKET WHEELS FOR BICYCLES. The Torpedo. The Panama Canal., scientific american,

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME 5. NEW YORK AUGUST 17 1850. [NUMBER 48. HUBBELL'S SOLAR MAGNETIC ENGINE.Fig. I. THE Scientific American CIRCULATION 14000. TERMS--$2 a year—S1 in advance

220 SCIENTIFIC AMERICAN. NEW INVENTIONS. Important Discovery. Combination Table. Improvements in the Steam Engine by Dr. Ha yeraft. Eitzgerald's Cannon. Dodge's Improved Boiler. Improvement in Axles. Game in Blaine., 1847-04-03

Science Notes. Engineering Notes. Electrical Notes, scientific american, 1899-07-29

BOYDEN'S CALASH TOPS FOR VEHICLES. A GERMAN INVITATION TO AMERICAN INVENTORS. BOYDEN'S MODE If OF SETTING CARRIAGE-BOWS., scientific american, 1859-10-08

'Giant' in Operation Throwing Stream 250 Feet., scientific american, 1905-08-19

NEW PUBLICATIONS. Inventions Patented in England by Americans., scientific american, 1869-03-20

scientific american, 1875-07-10

IMPROVED FIRE-HOSE NOZZLE. Automatic Printing of Light Signals. River Obstructions New York. IMPROVED SLEIGH The Country's Mineral Products. Steel for Heavy Shafts. WATSON'S IMPROVED SLEIGH., scientific american, 1883-08-18

The Strength of Wooden Columns. 1 Underground Telegraph Wires In Germany. The Electric Light vs. Gas in Theaters. THE ALBRO PATENT HINDLEY SCREW AND GEAR CUTTER., scientific american, 1881-12-24

scientific american, 1866-05-12

A Remedy for Ivy Poisoning. WantedCheap Ice Machines for the South.--Ice Five Cents per Pound in Natchez Miss. Finale about the Fly-Catching Plant. A Cheap and Efficient Low-water Detector. Remarkable Solar Phenomenon. WILLIAM ANNAN Balancing

Issued by the United States Patent Office., scientific american, 1870-02-19

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. SWITCH OPERATING DEVICEGeorge Bicycles Etc. Mining Etc. SEPARATING PRECIOUS METALS FROM Mechanical. Miscellaneous. BUILDING EDITION SEPTENBER 1897(No. 143.) anD ^4)ereonaL. NEW BOOKS ETC.

SINGLE CYLIN DER AND CC .1'CITNI3 HIGH SPEED MNGINMM Watertown Steam Engine CO. 1 TE RCULAR 1nillb CONVI TOILgr PAPER INED EL R LESS MONEYT COLD FORGED PRODUCT. Forged. Wood. Screw. July 191892. Its Advantages are s 1. Stronger than a common screw.

A.W. FABER Manutaciory Established 1761. 78 Reade Street. New York N. Y. GRAND PRIZE Highest Award PARIS 1900. To Owners of Gasoline Engines Moteinger Device Mfg. Co. INVESTORS DOUGLAS LACEY & CO. Washington D. C. Don't Throw Money Away DEAN BOILER

The Metric System Legalized in Great Britain. The Mosquito—A Nuisance Easily Abated Miscellaneous Notes and Receipts. —Dingler's Journal. Science Notes., scientific american, 1898-06-04

INDEX OF INVENTIONS United States were Granted APRIL 19 1898 AND EACH BEARING THAT DATE., scientific american, 1898-04-11

A. D. B. asks : How can I prepare COMXIINICATION8 RECEIVED. OFFICIAL.j INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week ending July 13 1875. AND EACH BEARING THAT DATE. SCHEDULE OF PATENT FEES. 910 923 813 On Issuing

The Examination of Inventions. Assignments of Patents. Caveats. TO OUR READERS. Preliminary Examinations at the Patent Office. How to Make an Application for a Patent. Foreign Patents. Rejected Applications. scientific american, 1862-11-15

Bridging Lake Pontchartrain. External Use of Castor Oil. THE MAGIC WHEEL., scientific american, 1881-11-26

HUMBOLDT. BARON VON The Inventor of the Steam-Enttine., scientific american, 1859-06-04

Balancing Cylinders Saw Gates etc. CONSTANT READER. Popular Errors Regarding the Watch. Artificial Stone. Balancing Saws. The Health Habits of Young Hen., scientific american, 1870-11-12

87 Chinese Guns. Wealth of the United States., scientific american, 1861-08-10

scientific american, 1868-12-02

IMPROVED FIREARM. MATHER'S IMPROVED STOVE PIPE COLLAR. DEVICE FOR SECURING ENVELOPES ETC. IMPROVED STOVE PIPE COLLAR. IMPROVED BUTTER JAR. COMBINED CIGARETTE AND MATCH BOX. SMITH'S IMPROVED PEACH STONER. EDER'S DEVICE FOR SECURING ENVELOPES ETC.

314 The Noth Pacific Expedition. Rheumatism. Stevens & Kingsley's Sewing Machine. The Steam Yacht North Star. Events of the Week. Improved Mode of Casting Pumps. Railway Apothegms., scientific american, 1853-06-18

FLYING SPIDERS. Is the Brain the Origin of Thought Intellect or Hind? Hydrate of Chloral.Our Pins., scientific american, 1871-05-27

scientific american, 1863-04-11

Inventions Patented in England by Americans., scientific american, 1872-11-16

How Rubber Boots and Shoes are Blade. 4 4Electric Lights for Dwellings. DETACHABLE SHIRT BOSOM. Draught of Boiler Furnaces. LEE'S DETACHABLE SHIRT BOSON. Ballooning a Hundred Years Ago. New Turkish War Ship., scientific american, 1885-01-31

uration in a mortar in the water dissolve the nitrate of silver In the ammonia and add to the carbonate of soda solution. Heat gently to the boiling point; the Ink at first turbid becomes clear and very dark. 2. What lenses do better for a telescope

AMERICAN INDUSTRIESNo. 43. THE MANUFACTURE OF STOVES RANGES AND HEATERS. Photographic Novelties. PHOTOGRAPHY APPLIED TO THE BIOSCOPE. PHOTOGRAPHIC TOY. Steam on the Upper Delaware. Fall of Meteoric Dust., scientific american, 1880-05-29

Balloon Ascension. barometric pressure. The minimum temperature The Wastage of Shipping. THE INTERIOR OF A ROOM WRECKED BY LIGHTNING. the proportious were: Italy 216; Norway 161; 8Pahl Attention to Pipes and Traps a Matter of Hygiene and Economy.

Destruction of Locusts in Tunis. The Banana Trade. BY C. V. BILBY., scientific american, 1892-04-30

scientific american, 1860-02-11

Engine dues the rest. Electro Vapor eta COLD Wheel Castings. POP SAFETY WILYES IS THE ONLY INCANDESCENT LAMP LAWFULLY MADE. THE RICHT OF THE EDISON COMPANY TO AN INJUNCTION ACAINST INFRINCERS HAS BEEN DETERMINED BY THE U. S. CIRCUIT COURT OF APPEALS.

IMPROVED HARVESTER. The accompanying illustration represents a mowing machine or harvester in which the several arrangements for imparting motion to the cutter for adjusting its bight and for turning it out of the way when not in use are of an

64 EMERSON'S PATENT MOVABLE TEETH. CIRCULAR SAWS CROSS CUTTING CIRCULAR AND LONG SAWS. EMERSON'S PATENT ADJUSTABLE SWAGE SAWS. SAWS. - SAWS. TURBINE WATER WHEELS. ATENTS MUNN & CO. Patents are Granted for Seventeen Years, scientific american,

4P. Recurrent Vision. Poisoned Collars. IMPORTANT TRADE MARK DECISION. ., scientific american, 1872-04-20

THE RAISING OF PEAS AND ASPARAGUS IN THE WEST. The Agricultural Department at Washington has been LAUNCH OF THE SUBMARINE BOAT 'PROTECTOR.' FEB SMBMARINE BOAT 'PROTECTGA.' BY WALDON RAWCHTT. use in an experimental manner for about a year the,

BUILDING EDITION INDEX OF INVENTIONS For which Letters Patent of the United States were Granted JULY 6 1897, scientific american, 1897-07-17

MISCELLANEOUS SUMMARY. The Invention of the Card-making Machine., scientific american, 1864-03-26

ENGINEERING INVENTIONS. MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTION.3. [OFFICIAL. INDEX OF INVENTIONS November 7 1882 AND EACH BEADING THAT DATE. IL, scientific american, 1882-11-11

FOR SALE CHEAP A very handsome Westiey Richards Breech-Loading Shot Gun. Driven or Tube Wells WA OHAssesiros SHEPARD'S CELEBRATED Model Engines. CASTINGS Pond's Tools DAVID W. POND Worcester Mass. JOSEPH C. TODD J. C. TODD m.FER RY& CO7g STRAY ED

COMMUNICATIONS RECEIVED. Index of Inventions Letters Patent of the United States 347, scientific american, 1873-05-31

cientific New Machinery for Paying Out the Atlantic Telegraph Cable—Who N the Inventor ? The Horse Taming Secret AgainAnother Theory. New Side Screw Propeller. A Preventive to Potato Rot. The Infected Ship., scientific american, 1858-05-22

Manufacturers and Inventors. Terms ! Terms! Terms !, scientific american, 1853-04-02

AUTOMATIC BOILER FEEDER. How Agates are Formed. PRESS FOR THE MANUFACTURE OF OILS. How to Blake the Phosphorus Metals. Selfelosing Stand Glass., scientific american, 1882-07-08

ICE MAKING MACHINES MORPHINE AND IMENICHLORIDE OF GOLDEN= MANHOOD! KNOW THYSELF . 9 NUT TAPPINC DURRELL'S PATENT. NEW HAVEN MANUFACTURINC CO. MACHINE TOOLS WHITALLTATUM &Co. MANUFACTURERS OF CHEMICAL AND OTHER GLASSWARE. THE RIDER HOT AIR COMPRESSION

MACHINERY FOR REDUCING METALLIC BARS. Scientific American CIRCULATION 17000. PUBLISHED WEEKLY To Make Drying Oil. Marine Glue. One Cent a Mile Railroad Fare. Wash for Fruit Trees. MACHINE FOR DOUBLE SEAMING., 1853-03-19

a Choice Collection of Practical Scientific and Economic Books with prices sent free upon application. FLEETWOOD SCROTAL SAW With Boring Attach. & Blower. - Send for pamphlet circular and list of Manufacturers WilmingtonDel., scientific american,

Left-Handedness. Dr. Daniel Wilson president of the Royal Society of to which he has managed to give an unexpected and very practical interest affecting all who have children or who are concerned in their education. The author had written previously

A JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS AGRICULTURE CHEMISTRY AND MANUFACTURES. BENTER'S IMPROVED STAVE-JOINTER., scientific american, 1859-12-10

Electricity on Trunk Railroads. BY WILLIAM BAXTER JR. Natural History Notes. Nervousness of Motormen., scientific american, 1896-04-18

New Zealand Flax trhormium Tenax.) Vision of 1900. Facts in the Natural History of the Honey Bee. Manufacture of Pig Iron in Europe. Base Ball. Improvement in Preserving Wood., scientific american, 1871-05-13

PUBLISHED BY MUNN & CO, scientific american, 1892-01-02

FREE TICKET A w .ss BENTELMARGEDANT & CO. EAGLE FOOT LATHES YORK MANUF'“ C York Pa. GEORGE PLACE PILES Address United States Piano Co. 810, scientific american, 1876-04-29

INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending December 10 1907. AND EACH BEARING THAT DATE, scientific american, 1907-12-11

I 19 The Suez Canal. Light Draft Iron Steamers. In England steamers are constructed almost elEclusively, scientific american, 1874-02-21

SCIENTIFIC AMERICAN No. 31 Broadway. New York NEW YORK SATURDAY JANUARY 20 1906. PIPE GALLERIES IN THE NEW SUBWAY. WE SHOULD USE THE METRIC SYSTEM. ALTERNATIVE SCHEMES FOR THE PANAMA CANAL. ELECTRO-TECHNICAL INDUSTRIES., 1906-01-20

Rewarding a Military Inventor. New Steam Boiler. Smith's Trace Buckle. Trade-marks at Law. Revenue of the Patent Office. FIERCE & GRIFFITH'S STEAM BOILER., scientific american, 1859-05-28

THE PHOTORABIA. Fig. 2DETAILS OF THE PHOTORAMA. Fig. 1THE PHOTORAMA—AN APPARATUS FOR PANORAMIC PICTURES. Fig. 4LIGHTING APPARATUS. leading down to film., scientific american, 1902-05-17

APPARATVS AT SMALL COST is 1363. 1414 1415 1222 1223. SELENIUM AND ITS REMARKABLE THE INTERNAL WORK OF THE 1307 1308 1422 1400 1447. 1370 1465 1466. 1510 15. 51 1404 1405 1413 1455. THE WATERPROOFING OF FABRICS THE SPARK COIL ITS CONSTRUC ELECTRIC

Curtis Pressure Regulator CURTIS STEAM TRAP Steel Castings GOLD PENS EJECTORS JACKET KETTLES STEAM BOILER FRICTION CLUTCH. ORMAN'S PRINTING PRESSES BEAT THE WORLD. 261 Broadway New York. PRINTING INKS. Agriculturist SAMPLE COPY of' the American

A PRIZE PLAN FOR A FIREPROOF HOUSE. 4o AWater Rat taking an Artificial Fly. DECISIONS OF THE COURTS. United States Circuit Court.--Southern District 01 Ohio. NEW BOOKS AND PUBLICATIONS., scientific american, 1875-04-17

PRUDENTIAL Engine and Foot Lathes How to Construct An Independent Interrupter THE WATER WAY BUFFALO AND DETROITFox MOTORS' ittie &ant The Heavens Without a Telescope, scientific american, 1908-06-20

DECISIONS OF THE UNITED STATES COURTS. Supreme Court of the United States. Supreme Court of the United States. AN IMPROVED BOTTOM-TRIP SLING. Mr. Keelrs Motor. The Forests of Alaska. The Source of the Mississippi., scientific american, 1888-12-22

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Facade of the Palace of Electricity Showing the Château d'Eau and Luminous Fountains. WEEKLY. Vol. LXXXIIINo. 15. Arc Lamp projecting Apparatus. Palace of

Every kind oh Tool for Steam Gas and Water Fitters. Every Tool has our personal guar antee. We have been the Lead WALWORTH MFC. CO. PERFECT- PUMP - POWER. If you want the best CHUCKS buy Westoott's Westcott Chuck Co. Oneida N. Y. U. S. A.

scientific american, 56-03-29

THE BEST MECHANICAL PAPER IN THE WORLD, scientific american, 1861-08-10

Recent Progress In Microscopy. SCIENTIFIC TOYS. RECENT INVENTIONS. Fig. 2—ELECTRIC BOTTLE IMPS., scientific american, 1880-03-06

Report Issued 30th September 12478. in U. S. of Agricultural Implements Guns Pistols SMOKERS ATTENTION! Telephones. 2 Liberty St. New York. WANT 2d-HAND WATER WHEELS. Mill Stones and Corn Mills. CAMERON Steam Pumps For Mines Blast Furnaces Rolling

REPORT OF THE SECRETARY OF WAR. [Scarcity of Water for a Steam Engine. Correction. To Clear a Boat of Water without Baling. The Russian-American Telegraph., scientific american, 1865-12-16

Ice Caves of Japan. The Argentine Cruiser Buenos Aires. IMPROVED DRAWBRIDGE GATES OPERATING MECHANISM. DRAWBRIDGE GATES OPERATING MECHANISM—END VIEW. Where Pennies are Coined. Extraordinary Railroad Into the Black Hills. RYAN'S IMPROVED MECHANISM

THE THREE GREAT SUSPENSION BRIDGES ACROSS THE EAST RIVER NEW YORK. cientific American. Laughter and Long Life. eorresponbence. Straw as Fuel. Ice Manufacture in India., scientific american, 1901-08-03

A CONTRAST IN NOSES. BY R. LYDEKKER., scientific american, 99-09-09

RECENTLY PATENTED INVENTIONS. NEW BOOKS ETC. 'Ziusinegsz an Wersonal., scientific american, 1898-02-11

PRESERVATION OF ICE. IMPROVED BEDSTEAD AND MATTRESS FOR INVALIDS. THE PRESERVATION OF MEAT. IMPROVED CLOTHES DRYER., scientific american, 1870-02-19

potassium bichloride of mercury and sulphite of soda in the order named. Upon applying the mercury solution the chemical growth and Queries, scientific american, 1906-06-23

At No. 37 Park-row (Park Building) New York. THE GREAT DEFEAT. NATIONAL ENCOURAGEMENT TO THE NOVEL TIES OF INVENTORS. THE MONSTER CANNONS OF AMERICA AND ENGLAND., scientific american, 1861-08-03

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