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An Astronomical Discovery. The Value of Fresh Air., scientific american, 1898-10-01

Economic Steaming. Cement for Microscope Slides., scientific american, 1891-02-28

Improved Signal Lantern. Improved Compound for Coating Iron Ships' Bottoms. Improved Bag Fastener. Improved Watch Chain Hook. Improved Reamer for Earth Borers. Improved Saw Table. Improved Burglar Alarm. Improved Saw Tooth7Swage. Improved Machine for

Business and Personal Wants. sary to give the number of the inquiry. .7UNN & CO. &Er machine. Notes andQuerVes., scientific american, 1903-10-31

scientific american, 1862-07-11

The Cost of Power at Niagara. Another Fire in the Patent Office. The Lighting of the Brooklyn Bridge Cars. What Immigration Costs., scientific american, 1895-05-04

of lighting is equally s and to the same degree of Agavose. Photos that Yield Colors. finally washed and dried in sawdust. Fig. 4DETAILS OF THE STUFFING BOX. Fig. 5HALF ELEVATION AND SECTION OF THE SEPARATOR., scientific american, 1892-12-03

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES Improvement on Iron Planers. BORING OF CYLINDERS ON IV:LATHE. Vol. 6 t MRINHARD'S COMBINED PLANER AND SLOTTING MACHINE., scientific american, 1868-02-08

Platinum in Southern Oregon. BY DENNIS H. STOVALL. A NEW AEROPLANE. END VIEW OF THE AEROPLANE. Oil of Rheococea—A. Natural Drying 0 Obtained in China. Origin of the Grain 'Weight. minutesNature., scientific american, 1903-10-10

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at, 1906-11-17

Unexplored Arabia.DECISIONS RELATING TO PATENTS. U. S. Circuit Court—Eastern District of Pennsylvania. The National Zoological Park. Skins of Fruit. A New Southern Comet. Concrete and Cement Walling., scientific american, 1894-05-19

frintifir Aintrion. The Beginning of the Patent Office. Chrome Iron and Steel. Astronomical Notes. Sorghum Sugar in Kansas and New Jersey. Temperature of the Earth., scientific american, 1885-08-15

NEW MECHANICAL AND ENGINEERING INV4 TIONS. NEW WOODWORKING AND HOUSE AND CARRIAGE BUILDING INVENTIONS. NEW AGRICULTURAL INVENTIONS. NEW HOUSEHOLD ARTICLES. NEW TEXTILE MACHINERY., scientific american, 1876-01-11

Galvanic Action of Copper Sheathing. Extending Applications of Alternating Machines. Successful Wood Sheathing. Statistics of J apan., scientific american, 1900-10-27

L. & 1. W. FEUCHTWANGER COTTON AND WOOL BOILER SUPPLY HARTFORD CAPITAL$500000, scientific american, 1870-02-26

INDEX OF INVENTIONS For which Letters Patent of the United States were Granted March 24 1885 AND EACH BEARING THAT DATE., scientific american, 1885-04-11

RECENTLY PATENTED INVENTIONS. Railway Appliances. Miscellaneous. NEW BOOKS AND PUBLICATIONS. ' THE ELECTRICIAN' ELECTRICAL TRADES DIRECTORY AND HANDBOOK ITS APPLICATIONS IN DIFFERENT THE VOLTAIC CELL : ITS CONSTRUCTION SCIENTIFIC AMERICAN BUILDING

Week Ending December 7 1889. A PLEA na THE MERCHANT FLEET. SACCHARIN THE SWEETEST OF SWEETS., scientific american, 1889-12-07

GREAT VALUE MUNN & CO. 25.000 APPLICATIONS Specifications and Drawings for Patents Caveats Re. Wines Designs. Trade Marks Extensions Interferences and Assignments. FOREIGN pATENTS REISSUES INTERFERENCES, scientific american, 1871-04-29

IMPROVED PATENT CANDY CUTTER. IMPROVED FURNACE BRIDGE WALL. QUINN'S PATENT CANDY CUTTER. On Some Metallic Spectra. Practical Science as a TralBer. BEECHER'S FURNACE BRIDGE WALL, scientific american, 1874-01-31

The Current Supplement. The Warships of the United States Navy. Science Notes., scientific american, 1898-04-02

Glycin and Hydroquinone Developer. Electromotive Force Developed Between Magne tized and Unmagnetized Iron. STEAM HEAT WITH CONDENSING ENGINES. BY ALTOS D. ADAMS., scientific american, 1901-08-24

cans. WM., scientific american, 1866-10-27

HORSE POWER BLOWING ENGINE. BATTERY OF THIRTY-SIX GAS-FIRED BOILERS. THE BASE OF A FURNACE 80 FEET HIGH-CASTING THE METAL. REMOVING PIG IRON FROM THE SAND. LOADING ORE AT THE BINS FOR THE FURNACES. MANUFACTURE OF STEEL TUBING-THE BLAST FURNACE

AUTOMATIC GUARD AND PLATFORM DOORS FOR RAILWAY CARS. The accompanying illustration shows a construction designed to prevent smoke dust cinders etc. from passing down between cars in motion and also to pro tect the steps and platform from rain and

orresponaence. The Static Effect in Incandescent Lamps. A Primary Battery for Incandescent Lamps. A Cure of Snake Bite. The Mines of Bauxite in Ireland. very profitable operation as it producedfrom the prac The Worthington Pump in India., scientific

Flagship Kniaz Snvaroff. Dmitri Donskoi. Borodino. Navarin. MERICAN CIENTIFIC P^, scientific american, 1905-06-10

Electrical Studies at Cornell University. Refrigerators. Experimental Ballooning. Salt as a Destroyer or the Teeth. Compulsory Drawing. 4IA Shoal Water Alarm. Henry H. Gorringe., scientific american, 1885-07-18

Commerce and the Industrial Pursuits generally and is valuable and Household the Library and the Reading Room. TERMS. To mail subsorlbers:—Two Dollars a Year or One Dollar for six volumes oomprise one year. The volumes commence on the ilsVit of

VOLNEY W. MASON &CO.PROV.K I RISDON'S IMPROVED for Circular and Descriptive Price List. Send BROCK'S PATENT COMBINED XI I 1\T 1Et. The George Place Machinery Agency NEWSPAPER FILE NUNN & CO. THE DRIVEN WELL. Kleinau s Universal Security Lock KLEINAU

THE GOVERNMENT'S GASOLINE LIFEBOATS., scientific american, 06-03-17

PARIS EXPOSITION—ELECTRICAL CONGRESS. MARCONI'S LATEST DEVELOPMENTS—SYNCHRONIZED MESSAGES. EXPLOSION OF A NAPHTHA LAUNCH. ACCUMULATORS WORKING UNDER WATER., scientific american, 1900-09-08

Railway Contrivances. Miscellaneous Inventions. Designs. sary to give the number of the inquiry. MUNN dc CO. INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending December 31 1901 AND EACH BEARING THAT

284 SPEAR'S CORN-HUSKER. GORHAM'S IMPROVED PLANE., scientific american, 1859-04-30

TRANSMISSION OF POWER BY MEANS OF ELECTRICITY. The Mineral Industry in Spain. AMU'S EXPERIMENT ON THE TRANSMISSION OF POWER- FROM A DISTANCE BY ELECTRICITY 1433.20 per Annum., scientific american, 1883-04-14

RECENTLY PATENTED INVENTIONS. Electrical Devices. Of Interest to Farmers. Of General Interest. Hardware. Machines and Mechanical Devices. Prime Movers and Their Accessories. Railways and Their Accessories. Pertaining to Recreation. Pertaining to

SCIENTIFIC AMERICAN ESTABLISHED 1845 MUNN & CO. - Editors and Proprietors Published Weekly at No. 361 Broa.dwa.y. New York, -1909-01-30

You can Open the Package and exam ine the Watch before Paying. HOWARD & CO. 785 Broadway N. Y Household Purposes IS BETTER AHD CHEAPER THAI SOAP. NEW-YORK RUBBER FABRICS PA. T la; N SOLID EMERY VULCANITE WHEELS Turbine Water Wheels. Gearing Shafting.

SHIELDS & BROWN For BOILERS and STEAM PIPES '78 and 80 Lake Street Chicago. EPPS'S CRATEFUL-COMFORTINC. COCOA RUBBER BELTING PACKING HOSE —FOR MECHANICAL and MANUFACTURING- PURPOSES. THE GUTTA PERCHA AND RUBBER MEG. CO. Sole Manufacturers. SOLID

WADDINGTON'S ELECTRIC SUBMARINE TORPED BOAT. Value of Gas Residuals. .40 IGasoline Stoves and How to use Them. Fig. 2EXTERNAL VIEW OF THE BOAT. Fig. 1THE WADDINGTON ELECTRIC SUBMARINE TORPEDO BOAT. Glycerine Soap., scientific american, 1888-05-19

0 6, scientific american, -1909-04-11

Leather Dressing. Johnson's Improvement in the Manufacture of Soap. Sprinkel's Stone Puller., scientific american, 1872-01-06

FIRST FLIGHTS OF THE AERIAL EXPERIMENT ASSOCIATION'S SECOND AEROPLANE Finding the Specific Gravity. Front View of the Aerial Experiment Association's New Aeroplane. The Aeroplane in Flight. The Motor and Propeller at the Rear of the Main Planes.

AI OR Growth of Timber. I, scientific american, 1881-06-18

Some Facts About North Carolina. IKANUFACTEMIN 40 AND AA1LROAD ITEMS. The Iron Works of Chicago--Fifteen Thousand Men Analysis of Lava. NEW PUBLICATIONS., scientific american, 1868-12-16

of armament in proportion to their tunnage nearly altogether irrespective of the capabilities of the form or displacement of the vessel or only so far as the out affecting the displacement on the same draught of water. They must otherwise have been

ROLLED SHAFTING. WILLIAMSON'S TANNATE of SODA GEO.H.CRAY&DANFORTH BOSTONIMPORTERS WROUGHT Do Your Own Printing! AMATEUR WORKERS E CAI00AN I E Steam Pu m pWorks CHARLES B. HARDICK No. 23 Adams Street BROOKLYN N.Y. IRON PLANERS NEW HAVEN MANUFACTURING

FEBRUARY 5 1870. Vindication of the Judges on Steam Engines at the Late Fair of the American Institute. Steam Boiler Explosion.THE FRENCH SYSTEM OF STORK RAPS. present., scientific american, 1870-02-05

A MINIATURE TELEPHONE BOOTH STUDY ELECTRICITY Rochester Sterilizing 0 tilt BROOKS BOAT MFG. CO. THE PETTYJOHN CO. ROSE POLYTECHNIC INSTITUTE The Adirondack Mountains 60 YEARS' EXPERIENCE PATENTS' DESIGNS COPYRIGHTS &C. Scientific Jimerican. '

to have been to show her other treasures of which the The Columbian Exposition., scientific american, 1893-09-02

NEW BOOKS AND PUBLICATIONS. COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS For which Lettere Patent of the United States were Granted July 17 1883 AND EACH BEARING THAT DATE., scientific american, 1883-08-04

Strong Magnets. Absorption of Oxygen in Coal Mines. A Suspended Aqueduct. 0 AN EASILY MADE CHAIR. 04-s A Strong and Handy Cement. Whooping Cough. IMPROVED FLOWER STAND. MoCALLUM'S FLOWER STAND. A A Naval Experiment with the Electric Light. RECENT

Back.Page $1'00 a line. Inside Page . 75 cents a line. OTIS BROTHERS & CO. CONCORD WAGON AXLES. JAS. IEFFEL & CO., scientific american, 1870-06-11

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. Miscellaneous. NEW BOOKS AND PUBLICATIONS. SCIENTIFIC AMERICAN BUILDING EDITION., 1890-04-11

REPERTORY where the inventor may learn what has every.Inventor Mechanic Artisan and Engineer in the United States should patronize ; but the publication is refrain from occupyingfurther space. source of knowledge the experience of which is be yond

WOOD WORKING MACHINERY. CINCINNATI.O.U.S.A. English Patents Issued to Americans. WOODWORKING MACHINERY CABINET AND PIANO MAN'F'RS. SHAFTING PULLEYS & HANGERS. THE AUTOGRAPHIC PRESS. THE COPYGRAM COMPANY 102 & 104 Duane St. New York. PLATFORM FAMILY

HOWARD & CO. EAGLE ANVILSa.ad PARALLEL CHAIN VISES. DO YOU WANT GAS Tort. 1868. on receipt; ot 95c.BRASS AND COPPER WIRE German Silver etc. Nom Reports ate. on the useful ans. lt rteady Roofing Pressurernowers WOODWARD'S COUNTRY HOMES. TURBINE,

ST OY'S IMPROVED GASKET. PORTABLE HOISTING ENGINE. Sow An American Palace Oar in Norway. The Elevated Railway Outrage. IMPROVED STAND FOR SMOOTHING FABRICS. PORTABLE HOISTING ENGINE., scientific american, 1877-12-29

TORPEDOES TO DESTROY VESSELS. GREASE AND INDIA RUBBER. AMERICANS AT THE GREAT ENGLISH EXHIBI TION. — - REVOLVING TURRETS FOR BARBETTE GUNS. PRINTING IN COLORS., scientific american, 1862-06-07

scientific american, 1898-03-26

Borax Rubber. The New Army Eight Inch Gun. Paint Preservatives for Iron. Postal Telegrams. Treatment of Baldness., scientific american, 1890-02-22

ENGLISH PRINTING PRESSES IN AMERICA. THE NOVEMBER METEORS. DECORATED SCIENTISTS. The Niagara River Bridge, scientific american, 1873-11-22

INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending December 17 1907. AND EACH BEARING THAT DATE, scientific american, 1907-12-28

Specific Heat and Latent Heat. THE WELLS COMET AS SEEN IN SYDNEY. The Loss of Heat in Combustion. The Grape Worm. Comparative Weight and Yield of Eggs. THE WELLS COMET AS SEEN AT SYDNEY AUSTRALIA., scientific american, 1882-08-26

LAFLER'S PATENT ERICK PRESS. ARCHER'S PATENT HINGE. our county this season than o'er before, scientific american, 1863-04-04

imp Tubes in Cement. Original and Transmitted Messages One-Fourth Natural Size., scientific american, 1905-07-08

MECHANICAL PUDDLING IN SWEDEN. APPARATUS FOR MECHANICAL PUDDLING. APPARATUS FOR MECHANICAL PUDDLING Photographic Engrav ing., scientific american, 1878-08-10

Beer Soured by Thunder. Tempered Cast Steel. Manufacture of Cannon. Color Blindness., scientific american, 84-03-15

216 fcientific AN OHIO NATURAL GAS WELL. Photographing Soap Bubbles. AN OHIO NATURAL GAS WELL. Mysterious Disappearances., scientific american, 1895-04-06

314 THE SCIENTIFIC AMERICAN., 1860-05-12

NEW PROPELLING APPARATUS. I 4 Alum not Allowed in English Breqd. NEW MILLING ATTACHMENT FOR LATHES. MAIN'S MILLING ATTACHMENT FOR LATHES. Antiquities from Chiriqui. TANGEN'S PROPELLING APPARATUS., scientific american, 1879-07-19

FRUIT AND VEGETABLE SLICER. TENT ATTACHMENT FOR LIFE BOATS. PLANER-TOOTHED SAW AND ADJUSTABLE !SWAGE. VIBERT'S FRUIT AND VEGETABLE SLICER. SAFETY RAILWAY SWITCHES. Travel between America and Europe. ADAMS' TENT ATTACHMENT FOR LIFE BOATS EMERSON'S

NATURAL EFFIGIES. THE D. 0. KILLS EXPEDITION TO THE SOUTHERN HEMISPHERE. A STONE WHALE IN A MOUNTAINOUS REGION OF CALIFORNIA. THIRTY-SEVEN-INCH MILLS REFLECTING TELESCOPE AND SPECTROGRAPH., scientific american, 1902-11-29

HENRY CAREY BAIRD & CO. Industrial Publishers Booksellers and Importers 810 Walnut St Philadelphia Pa U. S. A. Useful Beautiful and Cheap. 361 Broadway New York. PROVIDENCE. It. I. EVANS FRICTION CONE CO. ING and CHANGING SPEED of all MACHINERY.

The Progress of the Trans-Siberian Railway. American Capital in Brazil. PLANING AND JOINTING SIDE OF AN IMPROVED WOOD-WORKING MACHINE., scientific american, 1899-01-28

Inventions Patented in England by Americans. How to Get Patents Extended. MUNN & CO. No. 37 Park Row New York. WITHOUT EXTRA CHARGE. EUROPEAN PATENTS. MUNN dr CO., scientific american, 1869-07-24

WORLD'S FAIR AWARD. .451. ATI) PHILADELPHIA. Indorsed by the U. S. Government. THE N. ROWER HAMMERS For Every Description of Forg ing. Late Improvements. 13BAUDRY & CO. 503 priVi i lvers & Pond Compradores en el Extranjero. IVERS & POND PIANO CO.

Canada England FREE CATALOGUE General Compressed Air House Cleaning Co. ST. LOUIS U. S. A. rvirwerirrerirgilirLet Me Sell WILLIAM E. HOYT Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES BEST MATERIALS. BEST THE M1ETZ S. WEISS AUGUST

AN IMPROVED GATE. on the gate. As the weight of the gate is sustained by 40 4P0' A Four Million Dollar Ship. AN IMPROVED APPARATUS FOR EXAMINING ORES A [COMBINED TIE CHAIR AND FISH PLATE. AN IMPROVED FRUIT JAR., scientific american, 1888-05-12

AMERICAN INDUSTRIESNo. 71. NEW YORK POST OFFICE. HOTEL ELEVATOR.SECTION OF ELEVATOR., scientific american, 1881-04-16

A YEAR., scientific american, 1892-09-24

A JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS AGRICULTURE CHEMISTRY AND MANUFACTURES. BOTJRNE'S IMPROVED GOLD SEPARATOR., scientific american, 1860-02-18

RECENT AMERICAN PATENTS., scientific american, 1865-10-14

BASE BALL SCIENCE. American Products in English Colonies. A 2), scientific american, 1877-11-17

THE SCIENTIFIC AMERICAN., 1859-08-06

15.00 15.00 70.00 32.00 58.00 8.00 $300.00 Price to you for the .fibove Set of Twelve Pieces $265.00 FURNITURE DEPARTMENT EAST AURORA ERIE COUNTY N.Y. Resiliency Durability Reliability, scientific american, 05-03-18

ELECTRICAL WATER LEVEL INDICATOR. Fig. 4ELECTRIC WATER LEVEL INDICATOR. A Fortune for Some One. ELECTRIC WATER LEVEL INDICATOR., scientific american, 1894-03-10

TO INVENTORS. INDEX OF INVENTIONS, scientific american, 1894-06-23

102 Improved Dovetailing Machine. Trial of_the New San Francisco Flying Machine. DOVETAILING MACHINE. The Bituminous Coal Trade of 1870., scientific american, 1871-02-11

THE NEW CROTON DAM. Contracts Awarded for Ten Torpedo Boats. PHOTOGRAPHY BY AN ELECTRIC DISCHARGE. PHOTOGRAPH OF A COIN PRODUCED BY AN ELECTRIC DISCHARGE. Area and Population of Japan. Science Notes., scientific american, 1896-10-17

274 ESTABLISHED 1 846 No. 361 BROADWAYNEW YORK. THE NORTH RIVER BRIDGE BILL mutually profitable. RE-ROLLING OLD STEEL RAILS. NITRO-CELLULOSE VS. NITRO-GLYCERINE SMOKELESS POWDERS. THE SMITHSONIAN REPORT. plan would be of value primarily to the

Shipwrecked Scientists. The New Chief of Ordnance. Zorreeponbence. Fire Protection of Tall Buildings. End-on Fire in Our Battleships. Archaeological News and Notes., scientific american, 1899-04-15

scientific american, 1870-04-02

II Vol. LVI.--No. 9.1 [NEW SERIES. IMPROVED CALORIC ENGINE. Naval Architecture During the Last Half Century. A Three Cylinder Locomotive. IMPROVED BEAM CALORIC ENGINE, scientific american, 1887-02-26

THE MAGICIAN'S OMELETTE. BY WILLIAM B. CAULK. THE BATTLE CHARIOT. American Physical Development. The Current Supplement. Electric vehicle Riker 244 THE MAGICIAN'S OMELETTE. THE ONLY PERFECT WAR CHARIOT OF ANTIQUITY—THE ' BIGA DI FRANINO.,

THE UVIOL THE RESULT OF A FIFTEEN MINUTES' EXPOSURE T THE RAYS OF THE UVIOL LAMP A Concourse of' Kites in France. Tunnel Ventilation. UVIOL LAMP WITH RHEOSTATS AND MEASURING INSTRUMENTS. UVIOL MERCURY LAMP CONSTRUCTED AT JENA, scientific american,

83.00 A YEAR. CIENTIFIC MERICA CUSTOMS COINAGE BULLION $223000. INTEREST ON PUBLIC DEBT .° SALES INDIAN LANDS IMMIGRANT FUND S3363000 FEES CONSUL A ECT. RECEIPTS AND EXPENDITURES OF THE UNITED STATES GOVERNMENT FOR THE FISCAL YEAR ENDING JUNE 30

Steam on the New York Canals., scientific american, 1872-03-02

scientific american, 1905-12-09

DEVICE FOR STRETCHING WIRE. NOVEL ATTACHMENT FOR AGRICULTURAL IMPLEMENTS. SIGHTING DEVICE FOR AGRICULTURAL IMPLEMENTS. SAFETY PLATE FOR HORSESHOES. SAFETY PLATE FOR HORSESHOES. COVERING FOR AUTOMOBILE TIRES. COVERING FOR AUTOMOBILE TIRES. MAIL

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