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reshoff type it varies greatly in construction the tubes being arranged horizontally in sets immediately over the fire--each set being at right angles to those just above it. Exhaust steam is led to a surface con denser. An ordinary pump takes the

Value of Tornado Predictions. The Stone Pile Meadow Washington Territory. Curious Effect of Vertical 'Wind Pressure upon a Tree. Infringement of a Design Patent. New Products of Sevres -Manufacture. Light Waves of Increased Length., scientific

Some Astronomical Notes for March. INTERIOR COURTYARD OF A HOUSE IN TEHERAN PERSIA., scientific american, 1877-03-24

LMPORTANT COMPETITIVE TEST OF HIGH-EXPLOSIVE SHELL AT SANDY HOOK. SIDE VIEW SHOWING CRUSHING EFFECT OF GATIUKANN SHELL ON PLATE STEEL BACKING. Compressed Air and Its Application., scientific american, 1901-11-30

RECENT AMERICAN INVENTIONS. Workingmen's Cottages in France. Suspension of Work on the Hoosac Tunnel. The New Army Ambulances. Fireproof Buildings. The French at the Industrial Exhibition., scientific american, 1861-08-10

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. Mechanical. Miscellaneous. NEW BOOKS AND PUBLICATIONS. 1, scientific american, 1896-08-11

Coupling. See Car coupling. Thi coupling. Cultivator hand garden W. S. Shul 341512 Curtain roller spring J. P. Gaszner 341618 Curtain stretcher A. P. Bohlinger 841634 Cutter. See Paper cutter. Plug cutter. Derailment brake. S. H. HarringtonDigger.

21PREPARING FABRICS FOR PAINL—Will some one Declined., scientific american, 1872-05-11

gorreopondence. A Fever Case. Telegraph Alphabets. Sun's Orbit and Rate of Motion. Aerial Flight. Of O. Early Steam Navigation. Frozen Water Mains Small Steam Engines., scientific american, 1875-03-27

Ancient and Modern Engineering and Architecture., scientific american, 1885-02-28

Annincon and Wcronnal., scientific american, 1875-06-11

scientific american, 1863-05-30

Classified Advertisements necessary to give the number of the inquiry. MUNN & CO. BUSINESS OPPORTUNITIES. Inquiry No. 861 I.-Wanted to buy springs for Inquiry No. 8650.-Wanted to buy file cutting PATENTS FOR SALE. Inquiry No. 8667.-Wanted to buy

FEBRUARY 24 1894 A DISTILLING APPARATUS FOR FAMILIES. AN IMPROVED RELIEF VALVE. Manganese in Colombia. Carbonic Acid in Air., scientific american, 1894-02-24

APPLICATIONS FOR EXTENSION OF PATENTS. A B D E 0 0 A, scientific american, 1870-12-11

AN IMPROVED CHALK-LINE HOLDER. THE LOSCHWITZ SUSPENSION RAILWAY. A GREASE-PUMP. New Lamp for Lupus Cure. Test of the Rose Airship., scientific american, 01-09-14

RECENTLY PATENTED INVENTIONS. Engineering. Hot Springs Ark. A device especially adapted for, scientific american, 1897-07-11

determine the quality and ingredients of the various staple articles employed in diet by the inhabitants of the British metropolis. Dr. Hassel afterward em bodied the results of his labors in a volume which is declared to be a very cyclopedia of

scientific american, 1876-01-29

THE UNICYCLE ELEVATED RAILWAY. Wonders of the Oil Regions. Sault Ste. Marie. Fig. 1UNICYCLE RAILWAY TRACK. Fig. 3VIEW OF UNICYCLE RAILWAY. Fig. 2UNICYCLE RAILWAY TRUCK., scientific american, 1891-01-31

INDEX OF INVENTIONS For which Letters Patent of the United States were issued January 14 1908. AND EACH BEARING THAT DATE, scientific american, 1908-01-25

1874 SCIENTIFIC AMERICAN INC., 1874-07-04

Motor Racing and Motor Records—A Retrospect, scientific american, 1903-06-06

OCTOBER 16 1897. THE RETURN OF THE PEARY EXPEDITION. ROBERT E. PEARY C.EU.S.N. York in 1818. Half, scientific american, 1897-10-16

A GIGANTIC KITE. we have just recapitulated: THE NEW TUNNEL ICONIGSTRASSE BERLIN. the arch was accom plished. MAILLOT'S GIGANTIC KITE. THE NEW TUNNEL KONIGSTRABSE BERLIN., scientific american, 1886-11-13

NO. 31 PARK ROW (PARK BUILDING) NEW YORK. contents: importance of Advertising. THE ERIE CANAL NAVIGATION PROBLEM. HOW LABOR ENSLAVES ITSELF TO CAPITAL. CHARLES E. EMERY ON COMPOUND ENGINES., scientific american, 1871-06-03

How Can I Obtain a Patent ? How Can I Best Secure My Invention Preliminary Examination. Caveats. To Make an Application for a Patent. Trademarks. Design Patents. Rejected Cases. European Patents. Declined. APPLICATIONS FOR EXTENSION OF PATENTS. Value

Inexpensive Classified Advertisements SALE AND EXCHANGE. BUSINESS OPPORTUNITIES. HELP WANTED. POSITION WANTED. SITUATIONS AND PROFESSIONAL OPENINGS. HOTELS AND RESORTS. PATENTS FOR SALE. IT RELIEVES EXHAUSTION ALSO IN BOTTLES C Be Sure the Name '

THE NEW PULSOMETER CHEAP ECONOMICAL EFFICIENT. THE New York Ice Machine Company Machines Making ICE AND COLD AIR. Chambers Brick Machine. x otl LOOK FOR OUR STAMP . 37 & 38 PARK ROW NEW YORK 37 FOR BEST AKRON RUBBER WORKS AKRON O. The Asbestos

Replies to Enquiries. TO INVENTORS. INDEX 07 INVENTIONS For which Letters Patent ot the United States were Granted December 1 1891. AND EACH BEARING THAT DATE. ft kitinallaw'a Keit &ewers IL (lain-464.348 DESIGNS. TRADE MARKS, scientific american,

THE CONDENSATION OF AMMONIA GAS. THE AUTOMATIC LUNCH COUNTER. Production of Amber. Street Cleaning in Berlin. AUTOMATIC LUNCH COUNTER WITHOUT WAITERS., scientific american, 1896-12-05

TRADE MARKS. LABELS. PRINTS. York. SPECIAL MANUPACTURING. . 970 HAMILTON ST. CLEVELAND. OHIO. mC21:2 k UNION 'MOD L WORKS The Loomis Automobile & Marine Specialties PATENT AND WORKING DRAWINGS. KINDS. Experimental & Model Work INSTRUMENTS OF

SOME AMERICAN MOTOR CARRIAGES. AMES' STEAM CARRIAGE. MORRIS & SALON'S CRAWFORD WAGON. HERTEL'S GASOLINE CARRIAGE. STURGES' ELECTRIC MOTOR WAGON., scientific american, 1896-02-15

RAILROAD SLEEPERS ARRANGED IN PAIRS. AN IMPROVED PIPE OR FLUE CUTTER. WARREN'S PIPE OR FLUE CUTTER. AN IMPROVED METALLIC RAILWAY TIE. A DEVICE TO BLOCK CARS ON A GRADE. CALLAHAN'S METALLIC RAILWAY TIE. AN IMPROVED VELOCIPEDE. MARTIN'S VELOCIPEDE.

scientific american, 1860-08-18

Highest Premium (Medal) Awarded by AMERICAN INSTITUTE Hack Page .00 a line. Inside Page 75 cents a line. AUTOMATIC PUMP Inspection & Insurance TANNATE OF SODA Todd & Itafferty Machine Co. MUNN dr CO. 37 Park Row N. Y. Washington D. C. SUPER-HEATERS

Artificial Atropine. The Effect of Coffee Again. 40 4Nerve Stretching in Obstinate Sciatica. Petroleum in Wass's. IMPROVED HAND AND POWER PRESSES. Fig. S. POWER CIDER PRESS Floating Island. Fig ICLOTH BALING' PRESS. Fig. 2PAPER PRESS. Home Made Soda

DEVICE FOR REMOVING WOOD SCREWS. BY LANES PATERSON. DEVICE FOR REMOVING WOOD SCREWS. ?LENDING A BROKEN METALLIC FILAMENT. BY HOWARD W. NICHOLS. A SIMPLE FRUIT CELLAR. BY F. A. RAISER. A SIMPLE FRUIT CELLAR. HOW TO MAKE A PAPER TELESCOPE BARREL. BY C.

THE NEW NORTH. Tinned Springs—A Curious Experience. Paul Bert., scientific american, 1886-11-20

Confectioner's Disease The Foreign Contract Law a Nullity. Progress of Electric Welding. had been obtained in these welds. eorresponbence. A BOILER EXPLOSION AT BUCYRUS OHIO. A BOILER EXPLOSION AT BUCYRUS OHI New African Gold Discoveries mines. If

735 Penn St. Allentown Pa. Single Kick or Double Kick. Kick With BUT KICK The KICKDRIVE is for driving all The CLEVELAND STONE CO. -- 2d Floor. Wilshire Cleveland 0. SAFE SII1PLE VALVELESS AND RELIABLE Universal Kerosene Engine. UNIVERSAL KEROSENE

Ameelcan Arctic Research. The Isthmus Ship Railway. Experiments upon the Temperature of the Breath. Fireproof Excursion Steamer. Te Causes o f Heat in Mines. Cement for Iubber., scientific american, 1881-04-16

Inventions Patented in England by Amen' cans., scientific american, 1866-12-01

INDEX OF INVENTIONS For which Letters Patent of the United States were Granted April 21 1885 AND EACH BEARING THAT DATE., scientific american, 1885-05-09

Advtrtiortunto. BallBlack &Co. 565 and 567 BROADWAY Silver Ware. THE FACILITIES OF BALL BLACK & CO. FOR MANUFACTURING ENABLE THEM TO OFFER A LARGER VARI ETY OF PATTERNS AND AT LOW ER PRICES THAN ANY OTHER HOUSE IN THE TRADE. POOLE dc HUNT Baltimore

THE GREAT EXPOSITION EN TRANCES TO THE FISHERIES AND THE MINING BUILDINGS. THE WORLD'S COLUMBIAN EXPOSITION—ENTRANCES TO THE FISHERIES AND THE MINING BUILDINGS., scientific american, 93-03-18

FORSTER'S ROCK BREAKER. RAILROAD BALLAST & MACADAM. EQUAL TO HAND HAMMERED. CAN BE OPERATED WITH ANY KIND OF POWER. ROOT'S NEW RUN BLOWEll. PATENTS. MUNN & CO. Solicitors of Patents TOTTEN & CO. 180 Railr WATCHMAKERS. oad Street Pittsburg Pa. Rolling

Week Ending September 318a7. ISTHMIAN SHIP TRANSIT. DUPLICATION OF GOVERNMENT SCIENTIFIC WORK, scientific american, 1887-09-03

A READILY ADJUSTABLE SCYTHE. Explosion of an Aerolite. Coal Consumption on French Tramways. THE MANUFACTURE OF TACKS. Lactates for Electro plating Baths. BURNISHING TACKS IN THE 'TUMBLER., scientific american, 1896-02-22

FROM THE NEW YORK SUN. Photography and its Rights. At Sea on an Ice Floe., scientific american, 94-03-17

A MARINE COMMUNITY. BY A W. ROBERTS., scientific american, 1880-10-16

PUBLISHED WEEKLY AT 0. D. MUNN. A. E. BEACH. 1 50 Ituilliina Edition. Export Edition of the Scientific American. Contents. For the Week Ending April 13 1895. THE STERN TUNNELS OF THE OLYMPIA. Water Consumption in New York and London. Influenza: Do

Turbine Blades., scientific american, 1906-01-20

Automobile News. v IAn Instrument for Locating the Direction of Sound. THE TRACTION-WHEEL IN SIDE ELEVATION AND SECTION. The Current Supplement. .1, scientific american, 1899-11-18

THE FOURTEENTH ANNUAL REGATTA OF THE NEW YORK YACHT CLUB. LANE'S PATENT CARRIAGE-JACK. VALUABLE RECEIPTS., scientific american, 1863-06-27

NEW EDITION OF Tho Sine minlloforato Book 361 Broadway New York. oVan Duren' Pat. Loome Pulley Oiler Complete Outfits. LA BOB SAVING Machinery Seneca Falls Mfg. Co. THE PREMIER CAMERA IS THE BEST IN MARKET. Simple of Manipulation. The Shutter is

MOVING PICTURES THAT SING AND TALK. BY THE PARIS CORRESPONDENT OF THE SCIENTIFIC AMERICAN. Moving Pictures in Colors. RETROSPECT OP THE YEAR 1908. Electricity. graph and moving picture apparatus in step. for the moving picture machine. picture

AMERICAN SALTIITER. the French have actually abandoned the plan and are building all their vessels solely of iron. It is said that this step is the result of experience gained by unable to bear the weight of the armor and strain of the broadsides

NEW ANTELOPES AT THE N. Y. ZOOLOGICAL PARK. ANTELOPES AT THE NEW YORK ZOOLOGICAL GARDENS. Lloyd's and What It Means., scientific american, 1904-11-26

„ STNIIHMOI IT DEMI t TH pnAKESAPERFECTJOINT jENKINS BROS.7IJOHN ST NY. THE PORTER-ALLEN High Speed Steam Engine. ADDRESS SOUTHWARK FOUNDRY & MACHINE CO. 430 Washington Ave. Philadelphia Pa. WHEELER'S PATENT WOOD FILLER SISITAX4DATE, scientific

THE HEAVENS IN FEBRUARY. THE PLANETS. THE MOON. At 82 o'clock: Feb + 19 At 10% o'clock : Jan. 14. At 10 o'clock: 1an22. NIGHT SKY: JANUARY AND FEBRUARY, scientific american, -1909-01-30

Cost and Limitation of Electric Vehicle Traction. miles run. The ton-miles of this vehicle are 1 x 10=10. Archreological News., scientific american, 1900-07-28

MUNN St CO. Editors and Proprietors. No. 361 BROADWAY NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition. Contents. SCIENTIFIC AMERICAN SUPPLEMENT 5$3 TOO MU IDLE CAPITAL. PROPOSED

in Half Morocco. Post Free. 1901 APPENDIX. IT MAKES MONEY RAPIDLY PHOTOSCOPE K. S. KLINE The Kickdrive Circular Saw 210.212 Canal St. New York. METAL POLISHES.-FORMULAS FOR DURYEA AUTOS DURYEA POWER CO. GOES LIKE SIXTY GILSON GASOLENE ENGINE sions

A SIMPLE CABINET FOR FILING PAPERS. A CABINET FOR FILING DOCUMENTS. Electrolytic Cleaning of Metal. AN IMPROVISED HYDRAULIC PRESS. A NEW FORM OF STEREOPTICON. Interesting Discovery in the Tower of London. The Fish Commission Expedition. 2,

scientific american, 1865-07-11

Week ending January 4 1879. CONFISCATION OF AMERICAN PATENT& AMERICAN HISTORY OF THE ELECTRIC LIGHT. THE SOUTH AS A COMPETITOR OF ENGLAND. WILLIAM H. RULOFSON. An Important Railway Decision., scientific american, 1879-01-04

399 RATES OF ADVERTISING., scientific american, 1862-06-21

ILLUSTRATED HISTORY CENTENNIAL EXHIBITION OF 1876. 37 Park Row New York. PUBLISHERS' CARD. CITY SUBSCRIBERS. THE ARTIST VS. THE ARTISAN., scientific american, 1876-12-23

INSECTS IN WINTER. Scientific American Centenary of the British Steamship. BREAKING UP 15-INCH CAST-IRON GUNS. GNATS AND MIDGES IN THE SUNSHINE OF A WINTER'S DAY. Austria's Canal Scheme. ringing up the central sta tions about 426000 times a day.

200 Broadway N. Y. WORK FOR ALL The HOADLEY PORTABLE STEAM ENGINE. $ PATENTS AT AUCTION. ALLEN'S USEFUL COMPANION ARTIFICER'S ASSISTANT. HAWKINVPAT.BLOWER . EXETER MACHINE WORKS 140 CONGRESS ST. BOSTON. THE DINGEE 86 CONARD CO'S FARM CRUST MILL

AN IMPORTANT SHOE MACHINE PATENT CASE. A decree just made by Judge Samuel Blatchford in the U. S. Circuit Court for the Southern District of New York is of especial interest to all boot and shoe manufacturers. The case was that of the McKay Sewing

awake' Coa I Stoves In the world. Stove Foneders Baltimore Ed MIRBLEIZED SLITS 14T8 CARL AUDIRSCH GURDON ARK. Dia Daly Rowed: Pkas. dew Ow work. We galls Remedy Co: Palatine Lila. CIJRE AF FOOD ADULTERATION AND ITS DETECTION. NAVY DEPA RTMENT

Snow on Leaky Roof's. Light. 44). The Hudson River Ice Crop. The Cyprus Antiquities for the Metropolitan Museum., scientific american, 1873-02-08, St. Thomas' Hospital, London, England

Telephones for Metallic Circuit. LW FABER Manufactory Established 1761. GREY IRON CASTINGS FOR AUTOMOBILE WORK UTICA STEAM ENGINE AND BOILER WORKS UTICA N. V. El G T OLLARS SELECT A PEN IME TRUST VOU Patents Protected Against Infringers. PATENTED

Vol XXVIII.--No.19.1 DOUBLE TENONING MACHINE. BUCK'S DOUBLE TENONING MACHINE. Mammoth Remains6PIPOPONOWNi.I.4, scientific american, 1873-05-10

The Prairie Car. Natural Phenomenon. Population of Canada. A Singular Case. Price of Gas. A Great Comet Expected. London. A Good Charge. Photography. Yankees Abroad. Lucky Escape. A Great Territory. Dreadful Explosion. An Odd Calculation. The Cotton

The Magic Sphere. A parabolic floor is rotated at such a speed that the centrifugal force about equals the attraction of gravitation. As a result a man standing on the outer edge will imagine that he alone is on a dead level and that the persons on

NEW PLANT-TRIMMING SHEARS. BADIA'S SHEARS FOR CUTTING FLOWERS FRUITS ETC. Sixteen Months on a Desert Island. Causes of Fires. MISCELLANEOUS INVENTIONS. PLOW FOR LAYING ELECTRIC CABLES., scientific american, 1882-04-22

Watch Made Non-lViagnetic NICKEL SILVER CASE' Fully Guaranteed For sale by All JEWELERS Illustrated Booklet on request showing COLORED FANCY DIALS The New England Watch Co. New York City 131-137 Wabash Ay. Claus Spreckel's Bdg. San Francisc T Snow

Jersey cattle Lining-tackle 93 Lighthouse Dfinot's Ledge, scientific american, 1884-12-06

scientific american, 66-09-08

STEAM ENGINE GOVERNOR. Aluminum and Platinum In the Manufacture of Watches. NEW REGULATING ATTACHMENT FOR CLOCK JACOT'S REGULATOR. STEAM ENGINE GOVERNOR. Phosphorescent Time Pieces. 4, scientific american, 1878-11-30

CURIOUS DISCOVERIES IN REGARD TO THE MANNER OF MAKING FLINT IMPLEMENTb BY THE ABORIGINES AND PREHISTORIC INHABITANTS OF AMERICA. Photography by the Electric Light in a French Court of Justice., scientific american, 1879-07-26

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS. CHEMISTRY AND MANUFACTURES. NIAGARA FALLS POWER PLANT—ONE OF THE 5000 HORSE POWER TURBINE WHEELS[See page 215.], scientific american, 1896-04-04

PELICAN AND DOG. SOMETHING ABOUT PELICANS. the expression of his face and groin the way he leans WHITE AND BROWN PELICANS. PELICAN'S POUCH EXPANDED. The Technical Chemistry School of Berlin. The Current Supplement., scientific american, 1902-04-12

MUNN & COMPANY Editors and Proprietors. Contents I To A dvertisers. NEW RELATIONS OF SILICA. HISTORY AND PROGRESS OF PHOTOGRAPHY. THE USE OF BALLOONS IN WARFARE., scientific american, 1870-10-01

mill. Spinning frames Supports for wire boards of G Lyons Inside l'age each insertion - 75 cents a line. Back Page each insertion61. I. fine. Novelty Tool Co. 177 Elm St. Cincinnati 0. ELECTRIC LIGHT AND POWER. Electrical Accumulator Co. Dynamos

IMPROVED RAILWAY SIGNAL. BARNES' IMPROVED EMERY GRINDER. IMPROVED EMERY GRINDER. Prize for a War Ship Design. TRIPP'S IMPROVED RAILWAY SIGNAL., scientific american, 1886-10-09

scientific american, 1868-01-18

Gold from Sea Water Once More. Velocity Potential of the Universe., scientific american, 1905-02-18

VERTICAL ENGINES AND BOILERS. SCHOOL SHOPS. 41-4 . IMPROVED AUTOMATIC KNIFE GRINDER. London Water Works. New Mechanical Inventions.A Fig. 1STEAM LAUNCH BARRANCAS. Fig. Fig 2.-10 H.P. LAUNCH ENGINE. 3VERTICAL ENGINE AND BOILER., scientific american,

SCIENTIFIC AMERICAN ESTABLISHED 1845 No. 361 Broa.dwa.y. New York 361 Broadway New York 361 Broadway New York SHALL AMERICA TAKE THE LEAD IN AERONAUTICS UNDER-WATER ATTACK OF SHIPS BY GUNFIRE. SPEED OF GOVERNMENT AND PRIVATE EXCAVATION COMPARED.,

INDEX OF INVENTIONS For which Letters Patent of the United States were Granted AND EACH BEARING THAT DATE., scientific american, 1895-05-25

ENGINEERING INVENTIONS.AGRICULTURAL INVENTION. MISCELLANEOUS INVENTIONS. - SCIENTIFIC AMERICAN BUILDING EDITION. Speciat. KEEN AS A SURGEON'S KNIFE. '313usineso anb ''erzanat. NEW BOOKS AND PUBLICATIONS., 1887-08-11

EDISON MIMEOGRAPH UNRIVALED Excellence of Design and Construction Easy Operation Speed Durability. Send for Catalogue. REPUKTON Adopted as the Official IMPROVED MODERN WM. GRAVER TANK WORKS STEVENS PATENT INSIDE CALIPER No. 105. J. STEVENS ARMS &

Eisenbach ThUringen Wald. Prussia. Fire lane. Germany. HOW GERMANY RAKES FORESTRY PAY., scientific american, -1909-10-30

SEND FOR LARGE FREE ILLUSTRATED CATALOGUE. ELKHART CARRIAGE & HARNESS MANUFACTURING CO. ElkhartIndiana. You Pay Double the Money WE HAVE NO AGENTS CORTEZ CIGAR CO. KEY WEST. . V6CumPSALLtat12 Butomobile Patents Exploitation Company. SMOKELESS

Typewriter's Cramp. THE GREAT SEA-GOING DREDGES ON THE MERSEY BAR LIVERPOOL. The Chemistry of Gout. Fig. 1DECK VIEW OF THE ' BRANCKER' SHOWING THE TANKS AND THE HYDRAULIC HOISTS FOR TANK CYLINDERS., scientific american, 1898-08-27

scientific american, 1866-10-13

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