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Progress of Railway Eleetries. A DEVICE TO HOLD BOOKS IN ORDER. HUNTER'S BOOK SUPPORT. A SINGULAR BRIDGE ACCIDENT. AN AUTOMATIC CAR BRAKE. The Sierra Madre Expedition. Athletics in New York. FRASER'S AUTOMATIC CAR BRAKE., scientific american,

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broadway. New York THE RECENT RAILROAD HORROR. TWO GREAT OCEAN CONTESTS. COMPLETE THE COAST DEFENSES. THE INTERNATIONAL RAILWAY CONGRESS., 1905-05-20

The Ocean Tides as a Prime Motor. Psychic Force on the Slate. The Recent Boller Explosion at Conshohocken. The Power of Compound: Levers. Ignition by Superheated Steam., scientific american, 1873-03-29

A NOVEL SELF-CLOSING GATE. A GREAT RAFT OF PILES ON THE PACIFIC. The Coldest Country In the World. GREAT RAFT OF PILES ON THE PACIFIC. Another New Element, scientific american, 1898-09-17

INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending September 1 1908 AND EACH BEARING THAT DATE, scientific american, 08-09-12

SOME UNUSUAL USES FOR FIRE.ENGINES. BY W. 4I. FITZGERALD. THE FIRE-ENGINE USED AS A MEANS FOR SPRAYING HOP VINES. A FIRE-ENGINE USED IN PILE DRIVING., scientific american, 1904-07-02

PATENTS FOR PROTECTING THE DEAD. THE OFFICIAL REPORTS OF THE PARIS EXHIBITION. SKILLED LABOR IN NEW YORK CITY. THE COST OF INSECURITY. Electric Light Patents. ELECTRIC TIKE SERVICE FOR NEW YORK. Left Handedness., scientific american, 1878-11-30

VIS INERTIA. CENTENARY OF THE STEAM ENGINE—JAMES WATT. MUNN & COMPANY Editors and Proprietors NO. 37 PARK ROW (PARK BUILDING) NEW YORK., scientific american, 1869-05-08

LAUNCH OF THE CRUISER CINCINNATI. THE AMERICAN MUSEUM OF NATURAL HISTORY. For the Week Ending November 19 1892. PROGRESS OF AMERICAN STEAMSHIP BUILDING. PROFESSOR CHARLES A. SEELEY., scientific american, 1892-11-19

TRE AVONDALE MARBLE COMPANY'S NEW CRANE. An Efficient Village Improvement Armor Plate for Russia. Krushite. THE NEW CRANE AVONDALE QUARRY. CAPSTAN OF THE AVONDALE CRANE., scientific american, 1895-08-03

AN IMPROVED SORTING MACHINE. POULSON'S POTATO SORTING MACHINE. A SAFETY HAT FOR MINERS. PEPPLER & MoNAMARA'S MINER'S SAFETY HAT. Practical Disinfection of Rooms. How to Find Negatives. A DURABLE AND EFFICIENT WINDMILL. ROWAN'S WINDMILL., scientific

A NEW TORPEDO. 4 PNOESSEL'S COMBINED MILK PAN AND CHEESE MOULD. American Exhibition at Rome. Fig. 1.-STEERING GEAR OF BERDAN TORPEDO., scientific american, 1885-09-26

HUMMOCK & CHAVEZ'S CLINICAL THERMOMETER. Electrical Currents. AN IMPROVED CLINICAL THERMOMETER. AN IMPROVED BURGLAR ALARM. AN IMPROVED PIANO LAMP KRACKET. SMITH'S PIANO LAMP BRACKET. Arrow Poison. qupposed to be due to formic acid. EXPERIMENTS ON THE

nd-band Instruments at half new prices. PARABOLON MARIC LANTERN COMPLETE MACHINERY FOR LAUNCHES YACHTS TOW BOATS. THE NEW WEBSTER WEBSTER'S INTERNATIONAL DICTIONARY Webster's International Dictionary. ilbert St PhIlada. Pa. wait HARRISON CONVEYOR!

court during the trial. NATIONAL ACADEMY OF SCIENCES., scientific american, 1887-10-08

THE PROPELLER BONEA CONTRIBUTION T SCIENCE. BY DR. O. MARION DODSON BALTIMORE DL COMBINED KNIFE BRICK BOX AND ORINDER. WOOD'S COMBINED KNIFE BRICK BOX AND GRINDER. A Cheap Ice Box. Deafness Caused by Pressure on the Ears. A Substitute for Emery.

Electro.Chemleal Baths. Notes on Patented InventionsNo. 12. 4. A Shoeing Stool for Blacksmiths. The Pressure of the Atmosphere. A Great Strike Ended. Great Submarine Cable., scientific american, 56-07-05

PAC ATI:ANco OCEAN ±10o OF SEA ROOM IN 4000. FT CHANNEL WITH NARROIV CLEARANCE PLAN SHOWING LACK CUC YARDS COMPARISON OF COST 60N6 EXTRA EXCAVAONF SAME GRAPHIC COMPARISON OF TOTAL EXCAVATION ATLANTIC OCEAN, scientific american, -1909-03-27

Well Works Annus. FOREIGN PATENTS. tions abroad less than the cost of a United States patent and the ing. this office. sultation and advice free. Inquiries by mail promptly MUNN &CO. Publishers slid patent Solicitorsail Broadway. New York.,

Comparison of Armored Cruisers. Shop Practice as Viewed by an Old Subscriber. The Explosion of Stars. German Substitute for Celluloid., scientific american, 1903-01-31

The World's Columbian Exposition. RECEIPTS. DISBURSEMENTS. Peculiar Effects of Electric Welding. An Amidol Formula. Such a mixture gives fine strong negatives in the studio., scientific american, 1893-01-28

The Jesup North Pacific Expedition., scientific american, 1900-03-24

scientific american, 1904-02-27

ACCURATE MEASUREMENTS. X Bays and the Aurora Borealis. The Quinquennial Cen sus of London. MACHINE FOR MEASUREMENTS OF GREAT PRECISION. BROWN & SHARPE MEASURING MACHINE IN USE., scientific american, 1896-07-18

LARGE LOCOMOTIVE CRANE. ROLLING THE LEAD. NEW 10-TON LOCOMOTIVE CRANE., scientific american, 1877-07-21

by experience the pleasure of a smooth soothing Fail Stropper. will prove it and your dollar is simply on deposit what' you judge. shop. Shave every day in your own home at that every gentleman should. You'll feel better-look 1 AND THE COUPON BRING S

Lake TurtleMountain And Mouse River Country NORTH DAKOTA CRAND FORKS DAKOTA H. C. DAVIS ONSUMPTION. AGENTS Wanted a Portable Electric Lighter. PRICE $5.00. IRON REVOLVERS PERFECTLY BALANCED P. H. & F. M. ROOTS Manufacturers 34 A SPLENDID OFFER! SAFE!

scientific american, 1865-06-10

scientific american, 1876-04-11

COMMISSIONER HOLT'S DECISION., scientific american, 1858-07-17

REIN PROTECTOR. RAFTING BOOM PIN. On the Absorption and Elimination of Mercury in the Human Organism. Defense of New York within Thirty Days. BINDING FILE. CHILD'S TRAY., scientific american, 1887-03-05

Vol. LXXVIINo. 6. TOWING THE CAISSON TO SITE OF BRIDGE. CAISSON IN POSITION WITH TEMPORARY COFFERDAM ATTACHED. 2, scientific american, 1897-08-07

TERMS FOR THE SCIENTIFIC AMERICAN. 1 60 The Scientific American Supplement Scientific American Export Edition. Contents. THE SCIENTIFIC AMERICAN SUPPLEMENT N. 201. PATENT ROYALTIES ON SHOE MACHINERY. THE PRALL SYSTEM OF HEATING. TEE RESTORATION OF

THE JAPANESE SQUADRON AT JAMESTOWN. RECENTLY PATENTED INVENTIONS. Pertaining to Apparel. Ot Interest to Farmers. Of General Interest. Hardware. Household Utilities. Machines and Mechanical Devices. Railways and Their Accessories., scientific

Naval Brass. 4 Heating Effects due to Compression. The Curse of Poor Printing. The Essmination of Food and Drugs. Nitrates in Nevada. Hydraulic Milling in California., scientific american, 1881-07-30

the most extensive line of high-grade low-price firearms made—revolvers rifles and shotguns. Send for your copy of this TODAY. It's free. THE HOPKINS & ALLEN ARMS CO. ittle giant UNITED MFG. CO. pl1OTO6RAPHY HOW T SUCCEED WELLCOME'S PHOTDEXPOSURE

$65 Lathe and Outfit of Tools $65 SPECIAL OFFER! SEBASTIAN LATHE CO. 120 Culvert St. Cincinnati 0. HEWER TOOL CO. 16 Elm St. Portland Me. U.S. A. ooeseeee. 44 :NICKEL PLATED POCKET LEVELS:INDUCTION NICKEL AND Electro-Plating THE Co. Newark N. J.

GEORGE H. CORLISS. Fabulous Astronomy. GEORGE H. CORLISS., scientific american, 1888-06-02

The Pole and Chimney Problem. The Temperature of Arid Regions. Soap Applied to the Ocean. Recent Archaeological News., scientific american, 1898-02-05

A NEW LINK VALVE-GEAR. Coal for Our War Vessels. Moosic Mountain to be Tunneled. A NOVEL CHAINLESS BICYCLE. Fermentation Without Living Cells., scientific american, 1899-01-14

Transplantation of Muscles in the Treatment of Deformities. The Reindeer Expedition a Failure. sary-General of Subsistence at Washington. Miscellaneous Notes and Receipts. (SorreeponDence. The Classification of Warships. The New York Public Library.

COMMUNICATIONS RECEIVED, scientific american, 1873-09-27

The Current Supplement. Ato'clock: Dec7. At 10% o'clock: Dec. 10. At 10 o'clock: Dec. 23 TAURUS (Bull) LEPUS (Hare) ERIDANUS Southern Horiz NICHT SKY: DECEMBER AND JANUARY, scientific american, 1908-01-04

SCIENTIFIC AMER.ICAN ESTABLISHED 1845 MUNN & CO.Editors and Proprietors Published Weekly at No. 361 Broadway New York THE NAVAL PROGRAMME FOR 1909. OUR DECADENT MERCHANT MARINE. THE TRAFFIC OF A GREAT CITY., scientific american, -1909-01-23

RECENT DECISIONS RELATING TO PATENTS. Supreme Court of the United States. The Manufacture of Artificial Hydraillic Lime. Engineers' Club Philadelphia. f A Barber on Baldness. Disinfectants., scientific american, 1881-04-30

Correopondence. Gary'. Nan Experiment. Gary. Neutral Line. The Circle Squared. A Warning to Western Farmers. Coal at its Lowest., scientific american, 1879-04-19

THE GALAPAGAS TORTOISES. THE GALAPAGAS TORTOISES., scientific american, 1891-12-12

BUTTGENBACH'S IMPROVED BLAST FURNACE. 0000000 Z4=4:MORM 100MIIN\WM MftWx, scientific american, 1873-09-20

VAN RENNES' CALORIC ENGINE AND PUMP. Building in Steel. O. New Inventions., scientific american, 1878-11-16

PARIS EXPOSITION—THE CHAOTIC STAGE. How Cast Iron Is Made. BUSINESS AND MANUFACTURING ITEMS., scientific american, 1867-05-04

THE THREADED ENVELOPE PATENTS. WHAT IS DOING AT THE PATENT OFFICE.-- GREAT NUMBER OF APPLICANTS FOR EXTENSIONS. PHOTOGRAPHIC NOTES. The East River Bridge., scientific american, 1871-07-22

DyestuffenVIllSalicylic Acid. IMPROVED PLOW. Fraudulent Infant Foods. Copying Drawings. Pasteurization of leer. CUT-OFF MECHANISM OF THE TAYLOR MANUFACTURING COMPANY'S, scientific american, 1882-05-20

scientific american, 1864-05-21

Bursting of a Fly Wheel in the Tacoma Railway Company's Power House. BY A. M'L. HAWKS C.B. AN IMPROVED RAILROAD CROSSING SIGNAL. WOODS' RAILROAD CROSSING SIGNAL. Photographing Rail Deflections. Science Notes., scientific american, 1897-07-31

SOME NOTABLE GROUPS OF NORTH AMERICAN BIRDS. Electrical Waves as a Disturbing Factor in Photography. Florida is the Country of Aquatic Birds Which Find Safe Shelter in Its Swamps and Bayous. The Pacific Coast Will be Represented by Several tiroups.

THE NEW PALEONTOLOGICAL GALLERY OF THE PARIS MUSEUM. =SEIM Fig. 2SKELETON OF THE DURFORT ELEPHANT., scientific american, 1885-05-09

scientific american, 1877-10-11

Brooklyn Bridge Moving Platform. Telephone vs. Telegraph Train Orders. A STRONG HOME-MADE TURNBUCKLE. A STRONG HOME-MADE TURNBUCKLE. September 1907.Naval Wireless Telephony. The Current Supplement., scientific american, 1907-10-12

[Reported Officially for the Scientific American. SPRING CONNECTING RODS FOR WASHING MACHINES—J RE-ISSUE, 1855-05-05

INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending AND EACH HEARING THAT DATE., scientific american, 82-09-09

IRON CUTTERS MACHINIST'S TOOLS LUCIUS W. POND MANUFACTURER PRATT'S ASTRAL OIL. SUPER-HEATERS WIRE ROPE. PORTLAND CEMENT THE ROOT BOILER. THE PULSOMETER. Branch Depots: NO YE'S MillFurnishingWorks PORTLAND CEMENT AMERICAN SAW CO. MOVABLE-TOOTHED

scientific american, 1866-05-19

BallBlack &Co. Silver Ware. HOUSE IN THE TRADE. POOLE & YIENT Baltimore BOLT CUTTER NE vv IN nf MACHINISTS' TOOLS PRESSURE BLOWERS Safety Boiler. Marvin & Co.'s SAF ES PRINCIPAL 1295 Broadway New York. WARE- 721 Chestnut st. Phila. H 0 U S 10.8 Bank

SHODDY PICKERS ZWA-L7AYK WILL FIND THE Superb Illustrations LEADING MANUFACTURING ESTAR LISHMENTS MACHINES TOOLS ANDPROCESSES. Inventors and Patentees NATIONAL, scientific american, 1869-10-02

scientific american, 1860-06-09

No Engineer. ELEVATORS. Inside Page each insertion - 75 cents a line Back Page each insertion 81.00 a line BAIN ELECTRIC MANUFACTURING CO. THAM PATENT JACKET KETTLES Boiler Coverings Millboard Roofing THE REMINGTON STANDARD TYPEWRITER E. T. BARNUM

MUNN & COMPANY Editors and Proprietors. At No. 37 Park Row (Park Building) New York. THE MONEY MARKET. THE TAX UPON CASTINGS—INJUSTICE TO SMALL MACHINE SHOPS. STAMPING PATENTED ARTICLES. TRIALS OF ENGLISH IRON-CLAD SHIPS., scientific american,

Long Efficient Service THE SENECA FALLS MFG. CO. Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES. BEST MATERIALS. BEST WORKMANSHIP. CATALOGUE FREE Veeder Counters 18 Sargent St„ Hartford Conn. WORK SHOPS BARNES' FOOT POWER MACHINERY

Practice at Iron-Plate Target No. 38. REMARKS. The Parrott Guns before Charleston. IcemMaking Machines in demand. Advantages of Wedlock, scientific american, 1864-01-30

Parsnips. THE WATSON PUMP. their Combinations. New Agricultural Inventions. Closing of the French Exhibition. THE WATSON PIMP., scientific american, 1878-11-16

A DUCKING BATTERY AND MOW TO MAKE IT. A Scientific Railway Car. MISCELLANEOUS INVENTIONS. BATTERY OR SINK BOX., scientific american, 1881-03-05

Injuries to Cotton by Ginning and Packing. Genius Wanted in Agriculture Not in Weapons of Destruction. London Pavements., scientific american, 1893-12-09

EGGS WIZARDS MAGIC PURSE. 25c WOOD NOVELTY CONCERN 40 CORTLAND ST. NEW YORK. TELEPHONES R. R. INGERSOLL A OR. 65 CORTLANOT ST. N. Y. CITY. OPKINS' BUILDING DESIGNS. D. HOPKINS Archt G rand Rapids Mich. Patent Electric VALUABLE PATENTS FOR SALE. VISE.

THE LATEST BATTLESHIPS FOR THE UNITED STATES NAVY. A New Star., scientific american, 1903-10-17

Notice to Our Readers. The Phonendoscope. Electricity Direct from Carbon. Dry Plates for Radiography. Measurement of High Temperatures., scientific american, 1896-06-27

NOTES OF PATENT OFFICE DECISIONS. -410 0 4. Litharge., scientific american, 1877-10-13

COMPLETION OF THE EAST BOSTON TUNNEL. TASMANIAN AXMEN SQUARING BLUE-GUM PILES IN THE BUSH. 'BIG BEN' GUM TREE. A New Variety of Potato., scientific american, 1905-01-21

THE SCIENTIFIC AMERICAN. 6, 1859-08-20

THE UNDERGROUND RAILWAY NEW YORK CITY., scientific american, 1874-11-14

THE OSTERGREN FUEL OIL ENGINE. SECTION OF A SINGLE-CYLINDER OSTERGREN FUEL-OIL ENGINE. OSTERGREN 50 HORSE POWER FUEL-OIL ENGINE. A 'Mob Cartridge for Use in Strikes., scientific american, 1903-06-06

RECENTLY PATENTED INVENTIONS. Agricultural Implements. Mechanical Devices. Dental Inventions. Vehicles and Their Accessories. Hallway-Appliances. Miscellaneous Inventions. Designs. NEW BOOKS ETC., scientific american, 1900-10-11

scientific american, 1867-06-29

scientific american, 1873-06-28

Money Received TO OUR READERS. RATES OF ADVERTISING., scientific american, 1861-09-28

MECHANICAL DRAWINC National TYPEWRITER IRRESPECTIVE OF PRICE NATIONAL TYPEWRITER CO.natizim. TAUGHT BY MAIL THE STURTEVANT AUTOMATIC STEAM ENGINES HORIZONTAL&UPRIGHT Overtisemento. Starrett's Universal Surface Gauge AIR COMPRESSORS for Machine Shops

Smithsonian Institution. Special Device for Working in Non-Respirable Gases Which A Mask Without Hehnet of Vulcanized Rubber. This Device BREATHING MASKS AND HELMETS., scientific american, 1907-02-02

THEORETICAL AND PRACTICAL HARTFORD CAPITAL $500000. IIONIE OFFICE. In Hartford Conn 106 Broadway. SHEET IRON. JAS. LEFFEL & $2000 A YEAR AND EXPENSES .1RON_&WOOD WORKING, scientific american, 1869-10-09

41 MUNN & COMPANY. Editors & Proprietors. Contents:, scientific american, 64-07-16

THE SMITH PREMIER TYPEWRITER The Sebastian-May Co. 'o'LLATHES Power 165 to 167 Highland Ave. SIDNEY OHIO. 3=1CD TY leDMMII3EC 1=CDIZATMR? PUMPS ANY KIND OF LIQUID. 100 to 10000 gallons per M gEil C:?1\7' GENERAL ELECTRIC C INCANDESCENT AND ARC LIGHT

ght Wcitatific Amnion 227 141 Pittsburgh Pa., scientific american, 1866-09-29

The Bigger the Building the Greater the Saving . This is the Sulzer Harlem Casin in New York that covers a whole block and was built with EDISON Portland Cement The leading architects and engineers use it in their biggest works for the same reason it

Machine for Manufacturing Finished Screw Bolts Nuts and Shafting. How to Prepare Mortar. Fog Signals. NE FOR MANUFACTURING SCREW BOLTS NUTS AND SHAFTING., scientific american, 1870-07-02

The Finish and Preservation of Metallic Surfaces. Fireproof Materials. For the Benefit of Chicago. Patents. Science in Prussia., scientific american, 1871-12-16

SCIENTIFIC AMERICAN. 309 The Age of Iron and Stearn. Grand Demonstration of the Mechanics at the Tabernacle. 66 Empire House' Syracuse. Florida Turpentine. nery. The Oregon Railroad. Mahogany Ships. Phenomena of light. Progress of Speed. New

GEO. B. CARPENTER & CO. STABLE TENTS with or without walls CONTRACTORS' TENTS WATERPROOF BAGS and OILED CLOTHING. MARS —MADE AT KEY WEST) These Cigars are manufactured under CORTEZ CIGAR CO. KEY WEST. 50 MILES FOR ID MS: is the maximum cost of

BESSEMER STEEL. Min. ENGINEERING INVENTIONS. The August Meteors., scientific american, 1879-08-30

Improved Musquito Canopy. THOMPSON'S MUSWJITO CANOPY. How the Chinese make Dwarf Trees., scientific american, 64-07-16

THE PARADISE FISH AND ITS NEST. The Nature and Treatment of Different Woods. NEST OF THE PARADISE FISH., scientific american, 1885-07-11

A CYLINDRICAL PROPELLER. A CONTINUOUS PROCESS FIBER MACHINE. Iron Notes. KOLB'S CENTERING DEVICE. Paper Sails. PUIG'S PROPELLER. GREEN'S MACHINE FOR PREPARING FIBER OF THE PALMETT PALM ETC. A DEVICE FOIL CENTERING WORK., scientific american,

701834 Cultivator NI She w 701950 Cultivator l! S. Warner 701972 Cultivator weeder attachment E. P. Clapp 701844 Curd cutter. J. Lemire 702105 Curtain support adjustable window C. P, scientific american, 1902-06-21

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