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THE INTERNATIONAL IN FRANKFORT-ON-THE-MAIN Will be Opened. on May 16 The Exhibition is situated next to the Central Station. Closure 15th of October. ' ELECTRIC EXHIBMON HOYT'S LAWN SPRINKLER ST.CLOUD MINN. PATENTED IJEG 0 0 PROPOSALS. and from all

THE NEW ELECTRIC LIGHT AT HELL GATE LIGHTHOUSE. THE NEW ELECTRIC LIGHT NOW IN PROCESS OF ERECTION AT HELL GATE NEW YORK CITY., scientific american, 1884-03-22

German Picture Post Card Industry., scientific american, 1908-11-07

well adapted for its purpose. It is expected that before next winter the necessary arrangements will be so far advanced that the animals now inappropriately housed in the grounds of the Smithsonian Institution can be removed to their new quarters.

200 to 12000 Gallons per Hour. Cost $7 1037e:s 5h. Address THE VANDUZEN TIFT CO. RECENTLY PUBLISHED. 361 Broadway New York. M ALLERUSE OLYTECHNIC INSTITUTE RIFE'S AUTOMATIC HYDRAULIC ENGINE QR RAM SUPPLYING WATER FOR Mfg. Co. Roanoke Va. STEEL TYPE

NEW ELEVATED RAILWAY DRAWBRIDGE BOSTON. THE ELEVATED RAIL W A Y DRAWBRIDGE BOSTON. El EN NERAL VIEW OF THE DAHLONEGA GOLD MINING PLANT., scientific american, 1900-07-07

Shingle Heading and Stave Mill Machinery HENRY CAREY BAIRD 5: CO. THE 'ROUND BOX' TYPEWRITER RIBBONS Excursion Rates T Atlanta. THE DEFIANCE MACHINE WORKS LARGEST LINE IN THE WORLD SATISFACTION GUARANTEED. PATENTS PUMPS FOR COMPRESSING BY HAND POWER.

MAY 1 18691 PATENT CASES IN COURT. THE ELLIPTICAL SUSPENDER CASE. SCIENTIFIC AMERICAN. DIAMOND MILLSTONE DRESS. ' THE HOOK-HEADED SPIKE CASE ' DECIDED. MANUFACTURING MINING AND RAILROAD ITEM A large cotton seed oil mill is erecting at Mobile.,

Lunar Caustic for Purifying Spirits. IMPROVED STEM( BOILER. Tree Culture on Waste Land. Photozincotypes. ENGINEERING INVENTIONS. Astronomical Items. LA FRANCE'S PATENT STEAM FIRE ENGINE BOILER., scientific american, 1880-06-26

Do your 45 Willium Street New York. THE ONLY PRACTICAL ELECTRIC MOTORS Punching Presses DROP PORCINE% AEL 'VULCAN' Cushioned Hammer. wTRUE SQUARE ELASTIC BLOW Bellefonte Pa. U. 8. A. BIC OFFER Curtis Pressure Regulator FOR STEAM AND WATER CURTIS

EDITORIAL CORRESPONDENCE., scientific american, 1862-06-14

sow 'What Are Brittieworts ? Improvement in Construction of Smelting Furnaces. 40.4. A Recommendation to 'Many Farmers.” 4r.ss The Premium Offered on a Time and Percussion Fuse by the Swiss Government., scientific american, 1869-09-04

Science Notes. BARTLETT'S TRILL SUPPORT. Discovery of the Eggs of the Pearly Nautilus. The Canal of Joseph. Aluminum Coated Sheets., scientific american, 1897-05-01

Undeniable Excellence TOURING CARS They are built to give solid comfort and to stand wear without constant attention. Four-cylinder vertical motors sliding gear transmission bevel gear drive direct on high speed-forced feed lubrication long wheel

Hoke's Improved Marking and Winding Square., scientific american, 1858-08-28

A CHEAP TELEPHONE SYSTEM FOR FARMERS. HOME-MADE FENCE TELEPHONE SYSTEM. A NEW METHOD OF CUTTING THREADS. AN IMPROVEMENT IN SMOKE CONSUMING FURNACES. AN IMPROVEMENT IN SMOKE-CONSUMING FURNACES. TWO VIEWS OF AN INGENIOUS MECHANICAL THREAD CUTTER.,

Inventions Patented In England by Americans. REJECTED CASES. CAVEATS REISSUES. DESIGNS TRADE MARKS AND COMPOSITIONS PATENTS CAN BE EXTENDED. FOREIGN PATENTS., scientific american, 1870-05-14

THE NEW PEARY EXPEDITION. TORNADO DRILLS IN KANSAS. THE LEIPSIC EXHIBITION. upon them. FOG AND PHOTOGRAPHY. THE NEW THAMES TUNNEL OPENED. ENGINEERS' SOCIETY MEETING., scientific american, 1897-06-05

IMPROVED TREADLE FOR BICYCLES. Waterproofing Paper. Guns Worked by Steam Gas and Compressed Air. IMPROVED TREADIE FOR BICYCLES. The Minutes Worth Saving. The Electrolytic Cartridge for Blasting., scientific american, 1886-02-13

Cameron's Steam Pump. COATES AND LASCELL'S WATER ENGINE CAMERON'S PATENT STEAM PUMP., scientific american, 1871-07-08

NAVY. HERBERT T. WADE. primary of the transformer as indicated a condenser The Au Complete E quipment of 'transmitting and Receiving Instruments for One Station., scientific american, 1907-09-28

A PIANO BANJO CORNET SAXOPHONE CLARIONET ORGAN BAND ORCHESTRA ORATOR PUBLIC READER FRENCH TEACHER GERrIAN TEACHER SPANISH TEACHER OPERA ARTIST riusic HALL SINGER ETC. ETC. ETC. $25. NATIONAL GRAMOPHONE COMPANY 894 Broadway New York City. irstructions

AUTOMATIC ROCKING CRADLE. ANDERSON'S AUTOMATIC ROCKING CRADLE. . DEVICE FOR FEEDING AIR TO FURNACES. WRIGHT'S DEVICE FOR FEEDING AIR TO FURNACES. A New Stain from the Huckleberry. .014. 41. Moving a Ninety Foot Chimne IMPROVED FUNNEL. IMPROVED CABLE

SEE SCIENTIFIC AMERICAN OCT. 2. Letters Patent An Illustrated Pam WOODWARD'S NATIONAL ARCHITECT. COUNTRY ATENT', 1869-10-09

Pertaining to Apparel. ville S. C. The invention contemplates the employment of a cord or chain the body of which is normally wound upon a reel within the case which is pinned upon the skirt at the upper portion thereof and one of the objects is to

THE STUDY OF ALLOYS. BUTTER AND ITS ADULTERATIONS. HOW FIRE BRICKS ARE MADE. THE WIND MONTH. ECONOMY IN THE USE OF TIME., scientific american, 1870-04-02

HARRISON SAFETY BOILER DISASTROUS EXPLOSION Practically Tested FOIL TEN YEARS. HARRISON BOILER WORKS Weston's Patent Differential PULLEY BLOCKS 75000 IN USE. gkirertiument$. Adapted to Mechanical Purposes. New York Belting and Packing Co. 37 & 38

The Devil's Darning Needle. Effect of Exposure on Anthracite Coal. The Pearl Fisheries of Ohio. Rules of the National Board of Health. Fortifying the Treasury. The Australian Exhibition. I IP A Berlin International Fishery Exhibition., scientific

Eccentric Movement of the Fixed Stars. Ship Building on the Ohio., scientific american, 1851-07-12

Racing Boats. Thunderbolts and Lightning Rods., scientific american, 1870-08-27

PUN NEWS die. Plumb and Leval Indicator. and that the weight of the ball will keep the index PATENT AGENCY AT WASHINGTON. Mechanical Engineer and Agent for pre curing Patents. AGRICULTURAL TOOLS. al Implements are notified that the subscriber will

A. WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES Al_AL-A-A -AL-Al Improvement in Machines for Planting Cotton. Railroad Safety Switch. FOGG'S PATENTED RAILROAD SWITCH. Theatrical Managers. FELL & PHIFER'S

ork. Other foreign patents may also be obtained. '10ve1?ti9ements. ORDINARY RATES. Inside Page. each insertion 75 cents a line Patent Foot Power Machinery Complete Outfits. Seneca Falls Mfg. Co. PECIALTIES & NOVELTIES-PATENTED .U.ERIDEN CONN. OIL

SCIENTIFIC AMERICAN. 315 NEVER DESPAIR. THE WEATHER Zke. Great Docks. Ship Navigation by Canals. BY ROBERT MACFARLANE. Modern Luxury In Paris. Boy Carried over Niagara Falls. of $1029000. REMARKS. Curious Discovery. French Steamers. Singular

The Balanced Cable Crane. Bewildering Conceptions. An Anticipation of the Gas Engine with Refractory Lining. Reducing the Skin Friction of Vessels. A Correspondent Not in Favor of Saving Niagara., scientific american, 1906-02-24

Proprietors and Foremen. SCIENCE IN TOYS. Fig. 2.–DIAPHRAGM AND FINE ADJUSTMENT. Fig. SSUBSTITUTE FOR REVOLVING TABLE. Fig. 1THE TOY MICROSCOPE., scientific american, 1887-04-16

Train. Improved Country Roads and Electric Transit. Wire-Wound Guns., scientific american, 1893-05-20

Standard Water Pipes. The Antiquity of Bronze. UNIVERSAL HAND LATHE. NEW MICRO-SURFACE GAUGE. MICROMETER SURFACE GAUGE. inchea With the one furnished. Longer pointers may Telephone Vibrations Made Visible. The International Congress of Medicaf Juris

IRON SHUTTER. IMPROVED COTTON PLANTER IMPROVED IRON SHUTTER. PATERSON'S COTTON 'PLANTER. The Manufacture of Milk Sugar. McAdam 'toad., scientific american, 1883-02-03

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES.Vol. XXXIXNo. 21. [NEW SERIES. r$3.20 per Ann um. A NEW STEAM FIRE ENGINE. ' FORNEY ' LOCOMOTIVE FOR THE NEW YORK ELEVATED RAILROAD. THE MOORLEN STEAM FIRE

RECENT INVENTIONS. NEW IRON FENCE. PANEL AND TERMINAL POSTS. Capacity or Cathedrals and Churches. REICHENEKER'S METALLIC FENCE, scientific american, 1881-06-11

A Terrific Boiler Explosion. Manufacture of Charcoal Iron in Balti more. PROGRESS OF AKERICAN INVENTIONS ABROAD., scientific american, 1864-03-05

WATER WHEEL AGENTS WIRE ROPE. Machinist's Tools EXTRA HEAVY AND IMPROVED. LUCIUS W. POND MANUFACTURERSCIENCE RECORD 1 8 7 3. FITCHBURG MASS. Manufacturers of PATENT VERTICAL STEAM ENGINES. AMERICAN CHARCOAL IRON Boiler Tubes. WROUGHT-IRON TUBES AND

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted June 27 1893 AND EACH BEARING THAT DATE. B. Koenig 600540 Watchcase spring., scientific american, 1893-07-08

EL Machines Exact to a Hair's Breadth Engine and Foot Lathes THE CLIPPERCLIP SPECIAL TO AUTOMOBILISTS: Palmer Motors GILSON ENGINE GUNSMITHS. TOOL MAKERS EXPERI MENTAL & REPAIR WORK ETC. BERLIN GERMANY Buys foreign patents upon A1 American

INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending AND EACH BEARING THAT DATE. Plow W. L. Edwards, scientific american, 1877-06-02

186 MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS., scientific american, 1883-03-11

Money Received INSTRUCTIONS ABOUT EUROPEAN PATENTS With a Synopsis of the Patent Laws of the Various Countries. NEW ARRANGEMENTSPATENTS GRANTED FOR SEVENTEEN YEARS., scientific american, 1861-08-31

scientific american, 1859-10-29

THE ANIMALISM OF PLANTS., scientific american, 1875-07-03

History of Reaping MachinesNo. 30. Deodorizing Putrid Matter for Manure. Beautiful Philosophical Experiment. How to turn a White Dahlia Blue. Sewing Gloves by Machinery. Rapid Churning. Another Weapon of War. Inventors and Manufacturers GRAVINGS.

TO OUR READERS. RATES OF ADVERTISING., scientific american, 1865-11-11

LITTLE WONDER. The' MONITOR.' A NEW LIFTING AND NON. LIFTING INJECTOR. GEORGE FROST & CO. ow PATENT LOLD ROLLED 7 SHAFTING. MACHINISTS' TOOLS. New Haven Conn. IRIDIUM: NI. ERIE PA. Holly Water Works 5 I JENKINS PATENT VALVES THE STANDARD MANUFACTURED

OCTOBER 24 1896. What Sanitation has Done for Life. Some Queer Industries. USE OF A METAL GLOBE FOR ROENTGEN RAYS Science Notes., scientific american, 1896-10-24

A Railway up the Volcano of Vesuvius. I ELECTRICAL SIGNALING INSTRUMENT. MADDEN'S SIGNALING INSTRUMENT. NEW PROJECTILE. RICE'S IMPROVED PROJECTILE. 41. IMPROVED HOSE NOZZLE. Developing Gelatine Plates in Daylight. NOVEL HOSE NOZZLE., scientific

EXTENSION NOTICES. NEW PUBLICATIONS., scientific american, 1867-06-08

scientific american, 1878-12-11

NOYE'S Adutxtionitur Back Page Inside Page WILLIAMSON'S Upright Reverse Motion Paneling Variety Moulding dud Dovetailing Machine B. C. MACHINERY CO.t Battle Creek Mich ZAT OLD ROLLED SHAFTING. Do Your Own Printing!1 OGEES' TANNATE OF SODA BOILER

us use his light again we will first of all show you how it may be bent by a piece of glass (Fig. 19). [The the rays so.and-fro in different.parts.of the room just as projected the. prismatic. spectrum about the theater) you see hew. wonderfully and

Flooring. glass 97 Q, scientific american, 1886-06-26

TIER CELESTIAL WORLD. THE STAR OF BETHLEHEM. THE GREAT SUN SPOT OF LAST JUNE. and continued to be visible until the 17th when it dis Alvan Clark. of Russia a gold medal. Manufacture of Glucose with Nitric Acid., scientific american, 1887-09-03

AN INEXPENSIVE WINDOW LARDER. POEM'S WINDOW LARDER. A THRASHING MACHINE ATTACHMENT. KEELING'S THRASHING MACHINE ATTACHMENT. AN IMPROVED LUBRICATOR. A STAMP MILL GUIDE. MAJOR'S GUIDE FOR STAMP MILLS. MAGNETIC RAILWAYS. ROLLER'S SIGHT SIGHT FEED

WALKING ON THE CEILING HEAD DOWN. Electrified Wax. 410 AN ELECTRIC TRAP. AN ELECTRIC TRAP. Steel Railway Ties. Fibrous Roots., scientific american, 1890-07-05

.303 and 30-30 Caliber. MAGAZINE RIFLE ENGINEERING TAUGHT BY SPECIALISTS Mechanical Electrical Locomotive Marine Textile ENGINEERING Heating Ventilation and Plumbing Mechanical Drawing Isometric Perspective Descriptive Geometry etc. American School

Business and Personal Wants. sary to give the number of the inquiry. Pa INDEX OF INVENTIONS AND EACH BEARING THAT DATE., scientific american, 1902-02-08

A New Mechanical Movement. lilseftil Recipes for the Shop the Household and the Farm. Whale Power vs. Steam., scientific american, 1875-08-07

OCTOBER 19 1872. The Constitution of Matter. Flower Garden and Pleasure Ground. Curious Hotels. New Uses of Cellulose., scientific american, 1872-10-19

THE ST. LOUIS EXPOSITION OF 1903. TWENTY-F1VE KNOT NAVAL SCOUTS. SCIENCE NOTES., scientific american, 1901-06-15

Wersartat. Munn & Co. 361 Broadway N. Y. Free on application., scientific american, 1887-04-11

86, scientific american, 1869-02-06

Week ending May 29 1880. PATENTS FOR NOT INVENTING. THE PAGE PATENTS HONORS TO AN INVENTOR. THE ELECTRIC RAILWAY AN AMERICAN INVENTION., scientific american, 1880-05-29

WORK. ETC The ' Wolverine ' Three Cylinder Gasoline Ma rine Engine. WOLVERINE MOTOR WORKS Grand Rapids. Mich. $5.00 per pair ATWATER KENT MFG. WORKS LUCAS' QUESTIONS AND ANSWERS FOR MARINE ENGINEERS THEO. AVDEL 6 CO. OF ALL GRADES published. NOW

LECTURE 1. —TRIG FORCE OF GRAVITATION. shines have here And atteAn if I take this metal, scientific american, 1860-10-20

Vol. LXX No. $3.00 A YEAR., scientific american, 1894-06-16

OCTOBER 30 1897. THE ASTORIA HOTEL NEW YORK CITY. WORK IN SUB-BASEMENT OF THE ASTORIA HOTEL., scientific american, 1897-10-30

The Beckwith Sewing Machine. 1. Reward for Electrical Improvements. . Chinese Astronomy., scientific american, 1872-01-27

PUBLISHED WEEKLY AT turesque confusion shown in our photograph of the OUR FOREIGN TRADE FOR THE LAST FISCAL YEAR. POSTAGE AND THE EXPORT TRADE. view. THE PRODUCTION OF SLATE. THE FACTOR OF SAFETY IN YACHT CONSTRUCTION., scientific american,

The Principal Discoveries and Inventions of the Present Century. Venomous Spider. Railroad Building in Jamaica.I, scientific american, 1890-06-28

Ivo ow COMPARATIVE ACCURACY OF MERCURIAL AND ANE ROID BAROMETERS. ment not easily broken readily transported and very ser FAIR OF THE AMERICAN INSTITUTE. the guard is drawn down is such as to form an inclined plane sloping towards the breech of the

450 APRIL 27 18781 EWeet of Sea Waves on Masonry. On Corns. THE THEM-TAILED BIRTH WORT New Agricultural Inventions. Aerial Navigation. THE BAOBAB TREE., scientific american, 1878-04-27

BUILDING EDITION. NOVEMBER 1894.-(No. 108.) TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted November 20 1894 AND EACH BEARING THAT DATE., scientific american, 1894-12-01

Baltimore Foundry Port De THE FORSTER-FIR MIN GOLD AND SILVER AMALGA ATING COMP'Y of Norristown Pa. will grant state rights or licenses on works up to assay and re Apply as above., scientific american, 1879-09-20

Velocity of Steam. FACTS ABOUT EXPLOSIONS OF STEAM BOILERS., scientific american, 1867-07-13

European Patents. MUNN & CO. 1872 MUNN & CO. No. 37 Park Row New York. PATENT BAND To $20 Daily Paid Canvassing Agents. Moseley Iron Bridge and Roof Co. Office 5 Dey Street New York. PATENTEES ; HARTFORD CAPITAL. $500000 STEAM I I BOILERS HOME OFFICE

THE WESTINGHOUSE ELECTRIC BRAKE AND HEATER. FOG STUDIES ON MOUNT MAGNETIC BRAKE SHOWING METHOD OF ATTACHING BRAKE TO CAR FRAME. VIEW OF BRAKE FROM UNDER CAR. FOG STUDY FROM MOUNT TAMALPAIS CALIFORNIA FROM THE OBSERVATORY. FOG STUDY FROM MOUNT

What the Strikers Have Learned. Effects of Imperfectly Balanced Locomotives. increase the cost of maintenance of way Locomotive engineers have been known to report The Great Siberian Railway. A Trolley Without Poles. 'difficulty in getting forward.,

forth., scientific american, 1860-12-22

Of Interest to Farmers. Of General Interest. Pertaining to Vehicles. Designs. Business and Personal Wants. sary to give the number of the inquiry. MUNN .8: CO. Engine and Foot Lathes MACHINE SHOP OUTFITS. TOOLS AND SUPPLIES BEST MATERIALS. BEST WORK

NOVEMBER 15 1890. THE UNITED STATES COLLECTION OF STANDARD WEIGHTS AND MEASURES. COLLECTION OF STANDARD GOVERNMENT WEIGHTS. OF THE UNITED STATES GOVERNMENT. HISTORICAL WEIGHTS AND STANDARD AND MEASURES CROSS SECTION1890 SCIENTIFIC AMERICAN INC.,

CET THE BEST AND CHEAPEST. PERIN BAND SAW BLADES f Also Patent EJECTORS MACHINISTS' TOOLS. New Haven Conn. THETUr BESTI HL WATCH CASE DUEBER With Harris' Patented Improvements Stevens' Roller Mills GRADUAL REDUCTION OF GRAIN. New Bracket for

Laboratorial and Experimental Work Now Used Extensively By ELECTRIC AND TELEPHONE COMPANIES CHEMISTS REFINERS AND COMPOUNDERS OF OILS In Fact By Everyone Where a FULLY GUARANTEED +-Second Indicator is Essential Write for BOOKLET Other Styles and

THE LAMP OF LAMPS CLOVER LEAF LAMP There are Two classes HOARD'S DAIRYMAN Ft. Atkinson Wis. - D. L .HOLADEN KEGEALEIY IUL If Not Satisfied Return It and We Will Refund Your Money. THE BOOK-KEEPER PUB. CO. Ltd DETROIT. MICH. ELECTRICITY REE

Entered at the Poet Office of New York N. Y. u Second Claes matter. Copyright 1888 by Munn & Co. THE INDIANA—VIEW FROM TOP OF EIGHT INCH GUN TURRET LOOKING FORWARD., scientific american, 1896-08-22

The First Yankee Engine. DESIGN FOR A STORE AND STABLE ADJOINING. RESIDENCE CORNER OF 9TH STREET AND SIXTH AVENUE NEW YORK. .7, scientific american, 1888-06-16

THIRTEENTH YEAR SCIENTIFIC AMERICAN. 84 815 822 VANDEGRIFT'S GRAIN CLEANER. SNIFF'S SAUSAGE MACHINE., 1858-07-17

PHILADELPHIA'S HIGH-PRESSURE FIRE PIPE LINE. A Stream of Water Directed almost Vertically into the Air. ments made by Mr. S. A. Charles would indicate that the nozzle pressure should have been at least 98.) With A Water Tower at Work. One of the

THE LEATHER CARP. MONSTER BONES (FOSSILS) FROM .THE AN CIENT CRETACEOUS SEAS OF KANSAS AND COLORADO. THE LEATHER CARP. MONSTER BONES FROM THE ANCIENT CRETACEOUS KANSAS AND COLORADO. SEAS OF, scientific american, 1880-07-31

60 YEARS' EXPERIENCE THE 'BEST' LIGHT Everywhere. DURYEA AUTOS T WRITE FOR FREE BOOKLET PrintYour Model Electric Car Racycle Reasoning THE MIAMI CYCLE & MFG. CO LV GRAND PRIZE GIVEN BICYCLES 91-1.0ls 1904 Hammer the Hammer Accidental Discharge

I 1, scientific american, 1873-08-09

Of General interest. Pertaining to Vehicles. Legal Notices EXPERIENCE PATENTS DESIGNS Scientific iimericatt: $31 D. INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending May 18 1909 Prime Movers and Their

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