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to the diameter of the head required also t vary the bevel and otherwise regulate or di rect the cut. This is a new and useful arrangement of rates in a most favorable manner. More in to Mr. Brown. ing part of a vertical slide I the sliding shank E

40. BELLS AND BELL TOWERS., scientific american, 1870-04-09

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. WEEKLY. THE ITALIAN WAR SHIP ITALIA THE ITALIAN WAR SHIP ITALIA. Remarkable Tunnels., scientific american, 1888-08-04

GREENWOOD CEMETERY ENTRANCE. GRAND ENTRANCE TO GALE:4 WOOD CEMETERY BROOKLYN N. Y. Pyrotechnics. 410.41 Blanching of the Hair, scientific american, 1867-07-20

PSYCHOLOGY OF INVENTION. THE EARTH AND THE INNER MOON OF MARS. Memorial Fair Coins. A Water Weight Railroad., scientific american, 1892-08-20

No. 361 BROADWAY - NEW YORK. TABLE OF CONTENTS OF Scientific American Supplement 1 To. 2g. EXTENSION OF OUR SOUTH AMERICAN TRADE. TEl PROPOSED RAPID TRANSIT TUNNEL NEW YORK CITY. DECEPTIVE METHODS OF PATENT ATTORNEYS. PROSPERITY., 1897-08-21

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. 1$3.00 A YEAR. WEEKLY., scientific american, 1894-11-17

THE NAVAL PARADE AND REVIEW. THE COLUMBIAN NAVAL FESTIVITIES NEW YORK—THE STATUE OF LIBERTY., scientific american, 1893-05-06

DUMPING ?Su USE GRINDSTONES? The CLEVELAND STONE CO. FREEDOM FROM FIRE Stempel FIRE Extinguisher. 1215 Filbert Street. PHILADELPHIA. PA. The International To Steam Engineers The New Family Circle Lamp ROBT. H. INGERSOLL & BROTHER. Mail Order Bargain

OCTOBER 23 1875.1, scientific american, 1875-10-23

45000 50000 32500 550000 BOILERS AND PIPES COVERED ASBESTOS FELTING COMPANY PUNCHING Machinery Cold Rolled Shafting. Sturtevant Blowers. 1873 and 1874. deulfcfie (finder. ipredien, scientific american, 1874-01-17

Size. Revolvers never disappoint. p 1) ALUMINUM PAINT. DO THIS! VEEDER MFG. CO. Hartford Conn. Tribune Bicycles for 1899. The Best Wheels in the World. 0 The Black Mfg. Co. Erie Pa. calcium King Lamp. BURNS ACETYLENE GAS. Get the Best. Price 83.50

Scientific American Supple ment1261. Dated March 3d 1900. MUNN & COMPANY 361 BROADWAY NEW YORK. Dynamos-Motors. ROTH BROS. & CO Wm. GOODFORM CLOSET SETS Electrical Library MUNN & CO. Publishers 361 RROADwAY NEW YORK. S15 Telephones complete 5.95

IMPROVED HYDRAULIC MOTOR. Application of Armatures to Magnets. IMPROVED DEVICE FOR LAYING OUT SASHES. Protection from Fire. SCHMID'S HYDRAULIC MOTOR. Natural History in our Public Schools. COOK'S IMPROVED DEVICE FOR LAYING OUT SASHES., scientific

RECENTLY PATENTED INVENTIONS. Agricultural Implements. Engineering Improvements. Electrical Apparatus. Mechanical Devices. Tools and Implements. Manhattan New York city A construction Railway Appliances. Miscellaneous Inventions. Grange Road

ELECTRICALLY-DRIVEN TARGET TRAINS IN THE GERMAN ARMY. THE KRIEGER SEARCHLIGHT AUTOMOBILE, scientific american, 1907-03-02

The Ruins of an Arcade in the Temple of King Sahure Near Abusir (About 2500 B. C.) $3.00 A YEAR., scientific american, 1908-04-25

TO THOSE INTENDING BUILDINV.- THE BRIDGEPORT WOOD FINISHING CO. New flilford Conn. PREISTMAN SAFETY OIL ENGINE PA. but use the MEWER AUTOMATIC FEED DRILL. MEWER TOOL CO. PORTLAND ME. POCKET KODAK EASTMAN KODAK CO. ROCHESTER N. Y The . . . Premo

Classified Advertisements necessary to give the number of the inquiry. BUSINESS OPPORTUNITIES. PATENTS FOR SALE. HELP WANTED. AUTOMOBILES. PRINTING. PHOTOGRAPHY. MISCELLANEOUS. Home-Made Experimental Apparatus ELECTRIC LIGHTING FOR AMATEURS. AN

scientific american, 1859-11-12

The Utility of the Scientific American. A Suggested Wing Arrangement for Flying Machines. OP l The Cause of Hay Fever. Unconsidered Facts in the Art of Flying. The Current Supplement. Height of the Sea Breeze., 1903-11-21

ENGINEERING INVENTIONS. MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. TEXTILE INVENTION. -410 METALLURGICAL INVENTION. MISCELLANEOUS INVENTIONS., scientific american, 1882-09-11

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES 1$3 per Annum.Improved Machine For Pressing Bricks. The American Tube Well. CROFOOT BRICK MACHINE. IIti, scientific american, 1868-01-18

SCIENTIFIC AMERICAN ESTABLISHED 1845 MUNN & CO. - Editors and Proprietors No. 361 Broa.dwa.y New York 361 Broadway New York 361 Broadway New York GOOD WORK. THE FOUR-DAY BOAT. PROSPECTS OF RELIEF OF BROOKLYN BRIDGE CRUSH. BATTERY TUNNEL READY IN TWO

8 CENTS A COPY. Vol. LXXXIIINo. 21.1 Kt' 'Res niawit Pfurr ArSewOlt TuvIrl. SU B THE UNDERGROUND RAILWAY OF NEW YORK CITYI8ee page 32434, scientific american, 1900-11-24

0M1DINEL English Patents Issued to Americans. MINERAL GLASS. MINERAL WOOL. WOOD VIORKINC MACHINERY NA1:1 How YOU may WALKER'S CAMERAS and OUTFITS Fil0 THEUNLYPERFECT2 OEWINOTACHINE. MOST DURABLE & ATENTS., scientific american, 1882-08-19

Improved Air Cylinder Graining Machine. The Decline of British Skill. AIR CYLINDER GRAINING MACHINE. LOWE'S SPIRAL SPRING PACKING. SMITH'S IMPROVED EXTENSION LADDER. THE ACCELERATING GUN. ADAMS, scientific american, 1867-08-03

DELIVERING DRY STEAM AUSTIN SEPARATOR CO. GASOLINE SYSTEM. THE HAYNES-APPERSON CO Kokomo. Ind. U. S.A. MECHANICAL FABRIC CO. Providence R. I. U. S. A. EIMETOILIPMMTASxHAVEAROTBE'VP WATER SUPPLY What is better 5 : the revolver that is inever out of

scientific american, 1862-06-07

223 GEOLOGICAL RECORDS OF LIFE. i What Constitutes a Mercantile Delivery ? Grindstone Spindles. Small Printing Press Engine. A Siphon for Drawing Liquids. Magnetic Experiments. V-Threaded Taps., scientific american, 1874-10-10

THE ZIRCON LIGHT. Action of Magnetism on Various Gases. Information about Caveats Extensions Interferences Designs Trade Marks; als Foreign Patents. CONSULTATIONS AND OPINIONS FREE. TO APPLY FOR A PATENT PRELIMINARY EXAMINATION COST OF APPLICATIONS.

scientific american, 1863-06-13

Anti-Incrinitation Powder' stamps it &standard article effec VALUABLE WORK FOR INVENTORS PATENTEES AND MANUFACTURERS., scientific american, 64-08-20

CIENTIFIC MERICAN, scientific american, 1908-08-01

scientific american, 1862-11-22

HARRIS-CORLISS ENGINE MENTION THIS PAPER. It `:0 JACKLI FLUE BLOW9 IMPROVED $60 Screw Cutting Lathe. 165 West 24 Street Cincinnati Ohio. VAN DUZEN'S Mechanical Boiler Cleaner. E. W. VAN DUZEN CINCINNATI 0. BLAKE'S IMPROVED PIPE HANGER. IT IS THE

INSTANTANEOUS PHOTOGRAPHY. The Bahama Banks. A Costly Dog Collar. Rapid Town Making. Kentucky's Biggest Tree Felled., scientific american, 1881-09-24

SAMUEL PIERPONT LANGLEY. BY MARCUS BENZAMIN. PRESIDENT OF THE AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE., scientific american, 1887-08-20

General Agents. Local Agents. OF THE ritlaTN.W1)31CDCOggLXECI :4DVOF:itiAlti PORTRAITS A. G. Bagley's Celebrated Improved EVER POINTED GOLD PEN. D. L. FARNAM (29 Futiron STREET N. AND STEEL LETTER CUTTER DINING SALOON Break Peas ert. fast and Tea.

PATENTEES Prices Reduced. A IE'WINVENTION.ADDRESS. .9 Nickel Plater. Caloric Engine. Bankers No. 1 Wallot. 75000 IN USE. HARRISON BOILER WORKS Philadelphia Pa. PULLEY BLOCKS. THE Gearing Shafting., scientific american, 1870-08-13

RUBBER TREE 16 MONTHS OLD-13 FEET 3 INCHES HIGH. MEXICO. THE ARTIFICIAL CULTIVATION OF THE RUBBER TREE FOR INDUSTRIAL PURPOSES. BY ENOS BROWN. SAN LUIS NURSERY—SHOWING GROWTH OF YOUNG RUBBER TREES., scientific american, 1901-11-09

A PETROLEUM MOTOR. An Austrian inventor has recently constructed the device represented in the annexed engraving consisting of a petro single acting steam engines with the difference however that the expansive force of steam in the latter is replaced

print once every month an eight-page section entitled Out door America. It will be edited by Caspar Whitney formerly editor of 'Outing' magazine whose writ ings will be supple mented by many able contributors. It will endeavor to stimulate interest

Science Notes. traveled only a few miles. :Engineering Notes., scientific american, 1900-10-27

ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. SCIENTIFIC AMERICAN BLJII-DINO EDITION. NOVEMBER NUMBER. MUNN & CO. PUBLISHERS. a3usinees au b Wersonat. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the

Science Notes. Eleetrical Notes. Automobile News. gives also 6 and 13 miles., scientific american, 1900-06-30

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending AND EACH BEARING THAT DATE. English Patents Issued to Americans., scientific american, 1879-05-03

scientific american, 1905-02-11

THE SOUTH WIDENING HER ELD OP AGRICULTURE. BY FREDERICKMOORE. THRESHING RICE IN TEXAS., scientific american, 1902-04-05

scientific american, 1863-04-25

NEW YORK APRIL 18 1857. We are not personally fully acquainted with the extent of the rope manufacture through business have assured us that nearly as much of the city of Brooklyn L. I. alone as in all the other American rope factories put to

INTERNATIONAL YACHT RACES OF IDS. Silvering Glass. Ang-K.hak a Chinese Fungoid Pigment. THE INTERNATIONAL YACHT RACES OF 1895—THE DEFENDER ON THE HOMESTRETCH, scientific american, 1895-09-28

The Seneca Falls M'Pg Co. Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES. BEST MATERIALS. BEST WORKMANSHIP. CATALOGUE FREE SEBASTIAN LATHE CO 120 Culvert St. Cincinnati. 0. The Varnish that lasts longest Made by Murphy Varnish

Effect of the Galvanic Current upon the Tenacity of Wire. Neutralization of Magnetic Influences. 400., scientific american, 68-09-09

SNOWY-LIPPED LADY'S SLIPPER. Longest Tunnel in America. THE GORILLA. THE GOEILLA-NR. PONGO., scientific american, 1877-09-01

ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. SCIENTIFIC AMERICAN BUILDING EDITION. AUGUST NUMBER. 361 Broadway. New York. (Z3uedinese an 'Wersonat. NEW BOOKS AND PUBLICATIONS. INDEX OF INVENTIONS For which Letters Patent

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending March 27 1883 AND EACH HEARING THAT DATE., scientific american, 1883-04-14

The Oxyhydrogen Gas Light in Buffalo. Dyeing Turkey Red. woe Adulterated Sirup., scientific american, 1871-01-21

ODDITIES IN INVENTIONS. FASTENING DEVICE FOR OVERSHOES. TROLLEY WHEEL. BICYCLE WITH ROWING ATTACHMENT. SUIT FOR FIREMEN. ELECTRIC INSTRUMENT FOR CAUTERY. Brief Notes Concerning Patents., scientific american, 1904-04-11

and En the purpose specified., scientific american, 1860-06-09

THE TWELVE THREAD PLUME BIRD. Curious Facts about Snails. THE TWELVE THREAD PLUME BIRD. An Outfit for Salmon Fishing., scientific american, 1884-03-22

THE PROGRESS OF STELLAR CHEMISTRY. Silver Mining in NevadaA Visit to some of the Mines. of Philadelphia. Waterproof Glue. I, scientific american, 1872-03-16

SEPTEMBER 12 1896. THE BAZIN ROLLER SHIP. THE BAZIN ROLLER BOAT AT SEA. ituhillul MEW! WM' A DECK PLAN OF THE ERNEST-BAZIN. BOW VIEW. SECTION FROM BOW TO STERN., scientific american, 96-09-12

American Inventors. HOW SUNKEN VESSELS ARE RAISED. The Sources of the Nile. The Trap Door Spider. Sparking of Dynamo Brushes. A Varnish for Collodion Lantern Slides. RAISING A SUNKEN REVENUE CUTTER., scientific american, 93-03-18

TEE COLUMBIA MOTOR CARRIAGE. test showed that the car AN ARC LAMP THAT OPERATES IN ANY POSITION. ELECTRIC LAMP FOR OPERATING IN ANY POSITION. Mysteries of the Persian Gulf. THE COLUMBIA MOTOR CARRIAGE TESTED MAY 13., scientific american,

REPORT OF THE BUREAU OF STEAD( ENGINEERING. MASSES SMALLER THAN ATOMS. INTERESTING EXPERIMENTS WITH PHOTOGRAPHIC PLATES. COLORING BROMIDE PRINTS. PRODUCTION OF HYDROGEN WITH THE AID OF MAGNESIUM., scientific american, 1899-11-18

Concrete Walls and Piers. Lime Sulphate., scientific american, 1891-06-20

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME 5. NEW YORK MARCH 30 1850. [NUMBER 28. IMPROVEMENT IN THE MANUFACTURE OF IRON. Scientific American CIRCULATION 14000. PUBLISHED WEEKLY. TERMS--$2 a year--$1

NOVEMBER 22 1873.1 A MANSION AND MUSEUM COMBINED. ON AND ART GALLERY BARNARD CASTLE ENGLAND. width; it is lighted from the roof and made entirely fire proof. Proposed Tunnel between Scotland and Ireland. be about twelve miles audit would extend from

Improved Friction Clutch. Cleansing Boilers Securing Collars and Eccentrics to Shafts. PRATT'S IMPROVED FRICTION CLUTCH A. Cheap and Efficient Low Water Detector Shoemakers' Measure Welding Cast Steel, scientific american, 1870-11-26

THE PHOTOGRAPHIC NECKTIE. A COMBINED HARROW AND CUTTER. Making the Deserts to Bloom. AN IMPROVED SCISSORS GRINDER. VISSCHER'S AUTOMATIC SCISSORS GRINDER. THE APPARATUS. FLANAGAN'S HARROW AND CUTTER., scientific american, 1891-01-03

scientific american, 1859-12-24

PURPOSES. IRKING Foot and Hand Power. ALCO VAPOR LAUNCH Engine and Helm Controlled from Bow RED CEDAR TANKS WILLIAMS MFG. CO. KALAMAZOO. MICH. Stereopticons Lantern Slides. WE ARE MAKERS. McINTOSH BATTERY and OPTICAL CO. CHICAGO. GASOLINEimingIGE

THE APTERYX OR KIWI. Peanut Flour. Lime cartridges for Mining Coal. Removing a Bluff by Hydraulic Power. THE AETERYX OR KIWI., scientific american, 1883-08-18

scientific american, 1865-12-02

TO CORRESPONDENTS. Foreign Patent Forei American and. ' AgencyMO SASH OR CABINET MAKERS ABOUT WOODBURY'S PATENT PLANING Machos LATHES FOR BROOM HANDLES EteWe VORCROSS ROTARY PLANING MACHINE D. WHITE'S PATENT CARAXLE LATHES p . . ., scientific

DECEMBER 2 1899. Southern California. AN IMPROVEMENT IN FLUE-CUTTERS. KRUGER'S FLUE CUTTER. Water-Plants as Land-Winners. their way in when the water is calm. Ciorresponaence. A Suggestion to High Speed Railroad Engineers. The Funafuti Expedition.

HANDLING EXCAVATED MATERIAL AT JEROME PARK RESERVOIR. Automobile News. The Shrinkage of Natural Gas., scientific american, 1901-07-06

Glucose Manufacture., scientific american, 1880-04-17

RECENTLY PATENTED INVENTIONS. Bicycle Appliances. Mechanical Devices. Miscellaneous Inventions. Designs. Ziasinesse ant 'WersonaL. HINTS TO CORRESPONDENTS., scientific american, 1898-09-11

ENGINEERING INVENTIONS. MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. NEW BOOKS AND PUBLICATIONS., scientific american, 1884-05-31

PENNSYLVANIA'THE BEST WATCH MADE IN AMERICA.' 23d and Stnallman Streets R. MUNROE. PITTSBURG PA THE SEIBERT CYLINDER OIL CUP CO. PAYNE'S A ETOMAI`IC cz) rcs ENGINES. Box 1207. Corning N.Y. Horizontal Steam Engines perior Design Complete in Every

Electrical Devices. Engineering Improvements. Heating and Lighting. Miscellaneous. Business and Personal Wants. INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending December 15 1903. 46 audit r and

A DESTRUCTIVE THUNDERBOLT. PETROLEUM WELLS IN THE SUBURBS OF LOS ANGELES CALIFORNIA. The Borghese Treasures. EFFECT OF LIGHTNING ON OAK TREE. AN OIL FIELD IN THE SUBURBS OF LOS ANGELES CALIFORNIA., scientific american, 1897-07-17

Machine Emptied onto a Conveyer and Deposited in Dump at Right. Fall the IlKon Iron Hammer Seen Below the Derrick. of Flys Locks., scientific american, 1908-10-03

Pertaining to Apparel. Electrical Devices. Of Interest to Farmers. Of General Interest. Hardware. Household 'Utilities Machines and Mechanical Devices. Railways and Their Accessories. Designs., scientific american, 1908-09-11

TO CORRESPONDENTS. I Patent Office. AMERICAN AND FOREIGN PATENT AGENCY. LCOTT'S CONCENTRIC LATHES. A LIST OF VALUABLE SCIENTIFIC AND MECHANICAL BOOKS Now is Your Time. AD ROI la:, scientific american, 1850-09-07

INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending March 17 1908., scientific american, 1908-03-28

Interest in Safety Devices. Aeronautical Notes. ice production., scientific american, 1908-01-25

THE MIDEROROVED RAILWAY NEW YORK CITY. NEW YORKCENTERING OF THE GREAT ARCH FOURTH AVENUE NEAR 95th STREET. Fig. 17THE UNDERGROUND RAILWAY IN Singular Cause of a Boiler Explosion. Fig. 18THE UNDERGROUND RAILWAY IN NEW YORKTHE ROCK TUNNELS FOURTH

G. W. PINK'S IMPROVED WAGON HUB. Figure 1. IROVED ENCIRCLING SUSPENDER. Ornamental Letters for Door Plates. Manufacture of Steel. New Steam Valve. z Improved Dental Instrument. An Improved Valve Cock. Improvement in Hot-Air Furnaces and Vein.',

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. PATENT QUARTZ STAMPER. gines. Improved Quartz Stamper., scientific american, 1866-07-14

NEW AGRICULTURAL INVENTIONS. NEW HOUSEHOLD INVENTIONS. NEW MISCELLANEOUS INVENTIONS., scientific american, 1877-06-11

Its essays are artisan in the United States should have a confplete set of this publica tion for reference. Subscribers should not fail to preserve their num print and eannot be supplied. remit their money by mail they may consider the arrival of the

A New Cigar Ship. The Lesson of Asa Packer's Life. The Ship Constitution. SAUNDER'S SONS' PIPE CUTTING AND THREADING MACHINE. BROSSARD'S CONDENSER., scientific american, 1879-06-14

MOON AGO 010 NA P. DIAGRAM OF THE HARTFORD STATE STREET STATION LOAD DIAGRAM. 12 max wr 3M4 fiAA4 AVMS SHIM HIM ELECTRIC LIMIT AND POWER PLANT., scientific american, 1897-10-09

scientific american, 1862-08-02

Advancing to Par 75 CENTS 75 CENTS EACH One-Quarter in Cash with Subscription Executive Offices 287 BROADWAY NEW YORK. Solicitors FLETCHER McCUTCHEON & BROWN CORPORATION TRUST COMPANY WINTON TOURING CAR To each was awardwl a Blue Ribbon. Price

TYPE-SETTING BY MACHINERY. THE BROWN STONE OF OUR HOUSES CRUMB LING TO PIECES.WHY DOES COKE KINDLE MORE QUICKLY THAN ANTHRACITE COAL FORESTS ON THE NORTH SIDES OF HILLS. Back Numbersand Volumes of the Scientillo American., scientific american,

THE CAP OF LIBERTY YELLOWSTONE REGION. Sounding the Pacific.THEAMAMMOTEL HOT SPRINGS GARDINER'S RIVER WYOMING TERRITORY., scientific american, 1874-09-19

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