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ERFORATED METAL OF EVERY 'DESCRIPTION AND FOR ALL USES. WATERBURY CONN. ELEGRAPHY WIRELESS NO WEIGHTS TO LOSE Spiel-Murdoch Company ilhams Aa sh aving i SOLD EVERYWHERE Luxury Shaving Tablet- 25c. Swiss Violet Shaving Cream SOc. THE .I. B. WILLIAIIS

MENTS. IMPROVED LIMING VAT. JOHNSTONBAUGH'S IMPROVED LIMING VAT. Meaning of Colors in Sealing Wax. TRANSVERSE SECTIONS. Sky Rocket Torpedo., scientific american, 1885-07-25

THE BAHAMA EXPEDITION OF THE STATE UNIVERSITY OF IOWA. BY B. M. WILSON A.M. THE BAHAMA EXPEDITION OF THE STATE UNIVERSITY OF IOWA., scientific american, 1894-04-14

Chicago. Claus Spreckels Building San Francisco. RIVETT LATHE No up-to-date manufacturer can afford to do without it. GOLD MEDAL te'Send for Catelog. BRIGHTON 13STON MASS. U.S. A. PALMER MARINE and STATIONARY MOTORS arein successtul operation

NOVEL BOAT-PROPELLING DEVICE. BRAKE MECHANISM FOR WAGONS. IMPROVED RAILROAD TIE. IMPROVED RAILROAD TT! Patent _Departmeng .in p, scientific american, 1908-12-11

A New Gas. Chats with Sedentary People. Or Mercury.Ammonia in Suspended Animation. A New Form or Fire Escape. Starch Sugar and Starch Sirup., scientific american, 1873-03-22

cientific VIEWS IN FOUNTAIN CAVE VIRGINIA., scientific american, 1874-07-18

FORTY-THIRD ANNUAL REPORT NEW YORK LIFE INSURANCE COMPANY A_Pir 1 1888. REVENUE ACCOUNT. DISBURSEMENT ACCOUNT. ASSETS. TOTAL ASSETS JANUARY 1 1888 $83079845.85 TRUSTEES: Inside l'age each insertion- 75 cents a line. Back Page each insertion$1.00 a

Elementary Mechanics. Southern Manufactures. Adjustable Rifle Sight. Application of Screw Propellers to Ships of the Line. Steam of Old. OF VOLUME VIII. Terms ! Terms ! Terms ! full vain, scientific american, 1852-08-07

The third Important Patent Cases Decided. Work of Electricity. to the saunas of future inventions and discoveries. Oorresponbence. Hotter in Utah than in Siberia. A Simple Relief for Lung Troubles. The best builders keep on file the Archi tects and

TWO HALVES MAKE A WHOLE FREE SCHOLARSHIPS NOINEERIN American School of Correspondence Boston. Mass. LEARN' TO WRITE ADVERTISEMENTS 'New Standard ' Dry Battery 42 Vesey Street New York City. -mill Niml mesh. iminwiluffiumulah The Locke Adder. SENT ON

A JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS AGRICULTURE CHEMISTRY AND MANUFACTURES. CHRISTMAN'S IMPROVED BRICK ELEVATOR., scientific american, 1860-11-24

TEE WESTERN UNION CENTRAL TELEGRAPH OFFICE AND PLANT IN NEW YORK CITY. rSWITCH BOARD CONNECTIONS. FSE. WESTERN UNION TELEGRAPH PLANT NEW YORK—DYNAMO CONNECTIONS., scientific american, 1892-03-26

South African Diamonds. 41. IMPROVED PORTABLE OILER. Mechanical Stokers. Labor Legislation in California. IMPROVED COMBINATION SCISSORS., scientific american, 1874-05-02

scientific american, 1859-09-17

The Double Postal Card. The Potato Bug in Germany. Analysis of Butter Fats. The Coming 'Winter. et010-, scientific american, 1877-11-03

PATENT OFFICE DECISION-METHOD OF NUMBERING COUPONS ETC., scientific american, 1867-08-10

The Carboniferous Formation of Mississippi. Heating and Ventilating Railroad Cars. Steam Expansion. 4 0 of Steel.Sew Plan of Welding. The Scuppernong Grape. ..0 0, scientific american, 1868-02-29

Rattlesnakes and Prairie Dogs. History of Table Utensils. Items of Interest. The Drift of Lake Currents. Basic Steel., scientific american, 1892-07-30

Annual Cyclopedia.' Vol 6. for 1866 is now being issued. It embraces the final military operations of the Iota war. the change in the A.dmInistration of the Government debates In Congress In rela tails of Internal affairs of the country and

Smoke.Burning Safety Boilers. Oscillating Engines Doable and Single 1-2 100-Horse power. Centrifugal Pumps J100 to 100099 Gallons out injury. All Light Simple Durable and Economical. Send for Circulars. $2400 OLD ROLLED SHAFTING. Machinery. BLAKE'S

Four Hundred Years. The Acids of Fruits. 06 fruits and it is in this portion that we should find the Smokeless Powder. The Bacillus of Measles. George Sydney Percival., scientific american, 1892-08-20

Molecular Changes in Iron.4How Postal Cards are Made. A Remarkable Case of Skin Grafting., scientific american, 1880-06-11

Vol. LXINo. 13.1 UTILIZING WAVE POWER AT THE SEA BEACH. The Insulted Chinese. WI 4WAVE POWER EMPLOYED TO PUMP WATER FOR SPRINKLING PURPOSES AT OCEAN GROVE N. J., scientific american, 1889-09-28

Sliding Door Roller Sheaves. SLIDING-DOOR ROLLER SHEAVES. Improved Mill-Stone Pick. Crystallized Tin. plate., scientific american, 1865-01-28

LIQUID AIR AS A NEW SOURCE OF POWER ANOTHER ENGINEERING FALLACY. BY PRESIDENT HENRY MORTON PH.D. LL.D. SC D. V9 THE NEW SATELLITE OF SATURN. PROGRESS OF THE ZOOLOGICAL PARK., scientific american, 1899-04-22

THE NEW 0-TON GUN. Carbonic Acid. COMBINATION TOOL FOR SQUARING LEVELING ETC. WARNOCK'S COMBINATION TOOL FOR SQUARING LEVELING ETC. A NOVEL GAME BOARD. THE MARBLE PUZZLE OR NERVE TESTER. Tranehell of Willmar Minn., scientific american, 1887-04-16

Birch Bark Rubber. A NOVEL BOTTLE. How to Prevent Car-Sate Robberies. MISCELLANEOUS INVENTIONS. GOLDSMITH'S IMPROVED BOTTLE., scientific american, 1881-08-13

yourself. That is Clean and Safe. That requires neither Licensed Engineer nor Pilot. THE ONLY NAPHTHA LAUNCH. SCIENTIFIC AMERICAN SUPPLEMENT. Published Weekly. $5.00 a Year including Postage. ^Gb. Ob. 1 IVGIb Mb THE SCIENTIFIC AMERICAN BUILDING

RETCHER Quadruples closet or wardrobe capacity. Attached or detached in an instant. Takes out bag at knee. Preserves the crease. Prolongs wear. Saves pressing. Prevents wrinkling. The only GARMENT HANGER that is used for either Trousers Skirts Coats

MODERN HALLS AND THEATERS. Spirit Lace. Alcohol and Cold. Intense Light for Taking Photographs. ilo COLORED PHOTO-LITHOGRAPHS BY COLOR-BLIND CAMERAS., scientific american, 1877-01-20

SENECA FALLS NOG. COMPANY'. ADVANCE YOURSELVES. Mechanical Electrical Steam Cit. II and Sanitary Engineering ing Pattern Making. United Correspondence Schools SAVE WATER AND MONEY The Queen Acme No. 5 Microscope NEW MODEL AS PER CUT. GATES ROCK & ORE

Apply Stencils In every number will be found complete descriptions of actually built houses ranging in price from $2000 to $6000 together with photographs of exterior and interior and architects' plans. PRICE 25 CENTS PER COPY; $3.00 A YEAR,

Gray's Patent Universal Radial Drilling Flachine. 1-3 BUILDERS SCIENCE RECORD 1 8 7 3 . LUBRICATORS. SUPER-HEATERS PORTLAND CEMENT AHOGANY SteamPumps THE STANDARD MAKE! mihts liarlIOti AA Boiler Tubes. William Smith's National Foundry and Pipe Works

Horticultural Novelty. -41-.0 Ketchum's Patent Case. on Reaper Patent Case., scientific american, 1855-05-12

MENT FOR RAPID ELECTRO-ANALYSIS. A HUGE ELECTRO-MAGNET FOR OPTICAL AND SURGICAL WORK. Fraud in Furs. Another Patent Granted to Cornelius Vanderbilt. A HUGE ELECTRO-MAGNET FOR OPTICAL AND SURGICAL WORK., scientific american, 1905-02-25

338 342 Want a 336 343 Waves bight of' 339 341 wood and coal ashes t22)347 339 wood by coal tar preserving ell) 342 847 Wood by lime preserving 342 3401 ciatifir adnittrican., scientific american, 1875-05-29

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at RAPID AND SLOW CONSTRUCTION OF PUBLIC WORKS THE COOPER HEWITT INTERRUPTER., 1903-02-28

NO. 37 PARK ROW NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition. Contents. TECHNICAL SCIENCE IN NEW ZEALAND. An Amendment of the New South Wales Patent Law. THE BESSEMER STEEL

Opposite Motions of the Earth at the Poles. RECENT ANERICAN PATENTS. the barometer at 30 inches., scientific american, 1865-04-01

THE REDWOOD FORESTS OF HUMBOLDT COUNTY CALIFORNIA. The Psychology of the Battlefield. MAL DIVISIONS. A FALLEN GIANT IN THE REDWOOD FORESTS OF CALIFORNIA., scientific american, 1898-01-08

SCENE AT THE OLYMPIAN THEATER AT VICENZA. PLAN OF THE OLYMPIAN THEATER AT VICENZA. THE OLYMPIAN THEATER OF PALLADIO AT VICENZA., scientific american, 1898-07-16

Storm Window for Locomotive Cabs. A New Method of Preparing Diastase. PNEUMATIC BERTHS AND CUSHIONS IN PARLOR CARS. and comfortable. Work on an Ostrich Farm. The Cooper's Hawk., scientific american, 1895-01-19

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. r$3.20 per Annum. THE NEW YORK WEST SHORE AND BUFFAL RAILWAY TERMINUS. Ancient English Canoe. Coal Gas—Water Gas—Electric Light. PRESENT CONDITION OF

Scientific %maim Soundings Obtained at Sea. New Process of Daguerreotyping.Correction. Steamboats Railroads and Telegraphs. Liabilities of Railway Companies in Eng land. IMP WU, scientific american, 1851-03-22

Improved Water-wheel. Dangerous Percussion Caps. Munn & Co. Publishers FOR 1864!, scientific american, 64-07-30

Improved Pocket Sewing Machine. BORING TOOLS. METER'S POCKET SEWING MACHINE Purifying Sorghum Sugar. Caribe. A HANDY TOOL., scientific american, 64-07-30

Contents :, scientific american, 1871-01-01

ABSTRACTS OF DECISIONS RELATING TO PATENTS. Supreme Court of the United States. differs from the other only in its having greater power. FIG 7. PIG. 2 Specific Gravity and Weight of Wheat. A New Thermo-Battery. a simple one., scientific american,

Electricity Simplified 158 pages1.00 MUNN & Co. PUBLISHERS Office of the SCIENTIFIC AMERICAN. Calcium King Lamp. BURNS ACETYLENE GAS. CALCIUM KING LAMP CO. Waterbury Conn. tastes. Supplementary Springs Dc W ESTBOR MASS. Buy Telephones THAT ARE

NEW BOOBS AND PUBLICATIONS., scientific american, 1881-01-01

INDEX OF INVENTIONS For which Letters Patent of the United States were Granted September 1 1885 AND EACH BEARING THAT DATE., scientific american, 1885-09-19

Details of the Allan Turbine-propelled Atlantic Liner. Wages of Farm Labor in the United States. A Laboratory Blowpipe. Protection Against Fire in Theaters. +As--Iron and Steel Industry of Belgium., scientific american, 1904-02-11

Number and Subjects of American Patents. DECISIONS RELATING TO PATENTS. Court of Appeals of the District of Columbia. SOLEY VS. HEBBARD. Court of Appeals of the District of Columbia. United States Circuit Court of Appeals-Third Circuit. NATIONAL

461 SEPTEMBER 25 1880.1 Adulterations of Carpet Yarns. Tincture of insect Powder. Azotine. THE FIRST INVENTOR OF THE STEAM GAUGE. MOREAU'S STEAM GAUGE. BRADLEY'S STEAM GAUGE. Nevada's Natural Phenomena., scientific american, 1880-09-25

258 THE SCIENTIFIC AMERICAN., 1860-04-21

NEW BOORS ETC. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted JANUARY 31 1899 AND EACH BEARING THAT DATE., scientific american, 1899-02-11

WOTAN'S SPEAR. 07 132 017. PLAN OF STAGE OF METROPOLITAN OPERA HOUSE. A Fast Run on the Burlington Road. SIEGFRIED'S FORGE. THE DISAPPEARING SWAN IN LOKENGRIN., scientific american, 1897-05-29

THE L1TRA7 CAVERNS BY ELECTRIC LIGHT. CAM PL NALL. GIANTS HALL STEBBINS' MAP OF LURAY CAVERN. The Expanding Power of Ice. MISCELLANEOUS INVENTIONS. NOVEVb BRAN CASCADE, scientific american, 82-03-18

MUNN & CO. YORK BELTING AND PACKING COMPANY., scientific american, 1862-12-06

Stove Bronzes and Tiles. Flower Farming and Perfume Iffanuftiktnre in Southern France. Pneumonia., scientific american, 1887-09-24

ONE OF THE FIRST ICE MACHINES. NEW APPARATUS FOR FEEDING SHAVINGS TO FURNACES. JACOB PERKINS' ICE MACHINE 1834. Volcanic Ashes and Lavas. Surgical Operation for Filaria. The Care of Farm Machinery. 461 4 BOILER FURNACES., scientific american,

TO CORRESPONDENTS. 'MEW WORKS ON CIVIL ENGINEERING ATACHINE FOR MAKING RAILROAD Chairs MHE AMERICAN ENGINEER DRAUGHTS WOODBURY'S PATENT PLANING Machines MO IRON FOUNDERS AND MACHINISTS IT1HE NEW HAVEN MANUFACTURING 1VORCROSS ROTARY PLANING MACHINE

scientific american, 1859-11-26

WHY FRESH WATER FISH CANNOT LIVE IN SALT WATER. 'LOST HIS AMBITION.' How to Live Long. Preparation of Phthalie Acid. New Weighing Instrument., scientific american, 1877-05-19

8 CENTS A COPY. Vol. LXXXVIIINo. 14. A Welding Train Ready for Work., scientific american, 1903-04-04

MISCELLANEOUS INVENTIONS. 4 Hygiene of Photography. Hunting for Submarine Treasure. -Energy Developed during Rains. Patents and Science. Young Rats Tied by their Tails.Tasteless Cod Liver 0., scientific american, 1880-11-06

THE WORLD'S COLUMBIAN EXPOSITION—THE COLD STORAGE PALACE[See page 52 THE COLD STORAGE APARTMENTS. THE CORLISS ENGINES IN THE COLD STORAGE PALACE. WinnELY. Vol. LXiXrio. 4. 3 1 THE COLD STORAGE PALACE AT THE CHICAGO EXPOSITION. THE GRAND SKATING

Bolting Reels. THE VOICES OF ANIMALS RECENT RESEARCHES IN THE SPECTRA OF THE PLANETS The High Lakes in the West. Hollow Bolts and Axles., scientific american, 1875-02-20

327 Broadway New York BANK Will stop the most vicious dog (or man) without perma nent injury. PRESIDENT SUSPENDERS breaks made good.' Any shop or by mail., scientific american, 1903-08-01

scientific american, 1868-12-16

NEW COMBINATION CLUTCH. American Beer Glasses in Germany. HODSON'S HIGH SPEED ROTARY ENGINE. WILKINSON'S POSITIVE COMBINATION CLUTCH. HODSON'S HIGH SPEED ROTARY ENGINE., scientific american, 1882-09-16

Chicago and the Railroad system of the Middle West. The most powerful freight engine and the load it can haul. Scientific American, 1909-12-11

Cat Racing. setts. NEW BOOKS AND PUBLICATIONS. DECISIONS OF THE COURTS. chusetts., scientific american, 76-03-11

INDEX OF INVENTIONS For which Letters Patent of the United States were Granted May1886, scientific american, 1886-05-29

IRON WORKS OF TEl SYRACUSE MALLEABLE IRON COMPANY. Washable Walls in Cottages. Itself in any part of such material it readily diffuses it Electrical Attraction of Quartz. Fireproof Building Material. CORE MAKING. THE TUMBLING DEPARTMENT., scientific

TO INVENTORS. INDEX OF INVENTIONS For which Letter. Patent of the United State. were Granted May 29 1888 AND EACH BEARING THAT DATE., scientific american, 1888-06-16

Scientific American ELGIN NATIONAL Elgin Illinois. IT WILL PAY YOU TO KNOW US. BUFFALO GEAR & PATTERN WORKS Buffal N. Y. Industrial Stocks AGENTS WANTED THE WESTERN SECURITIES CO. Kodak Correspondence School of Photography Patton's Sun Proof Paint

Cygnus—a constellation full of interest. Its brightest star—Alpha Cygni—is remarkable for its enormous distance from us. The most careful measurements fall to show any sensible parallax and we may con SCIENCE NOTES. by the Hottentots and

33M.M.I.SS WILMINGTON DEL. HEAVY MACHINE TOOLS COMPOUND STEAM PUMPS. SAMPLE PRICES. COMPOUND STEAM PUMPS. BAKER'S Rotary Pressure Blower 'TATILABRA.EIA1M BROS. Ito. 2318 Praukford Avenue; Philadelphia; J.E.BDERKP.O. Box 979 BostonMass THE DRIVEN

A Literary Congress. Explosive Dust. New Mechanical Inventions. INERD'S EXHAUST NOZZLE FOR LOCOMOTIVES. BRA, scientific american, 1878-04-27

AND MACHINISTS' & ENGINEERS' 'RELIABLE” [ TYPE–METAL RELIEF PLATES. A SUPERIOR SUBSTITUTE FOR WOOD-CUTS Pond's Tools Engine Lathes Planers Drills tke. Baker Rotary Pressure Blower. Eit.Gr.A.1\T HANCOCK INSPIRATOR Full Report. HANCOCK INSPIRATOR

Glycerine in Gastric Troubles. IMPROVED CROSS TIE. AMERICAN MILLING AS SEEN EY AN ENGLISHMAN. Protection of Oil Tanks from Lightning. A Fast Locomotive for England. MECHANICAL INVENTIONS. Enlargement of New York Water Supply. SCOFIELD'S CROSS TIE.,

COMMUNICATIONS RECEIVED. Index of Inventions FOR WHICH WERE GRANTED FOR THE WEEK ENDING November1873 SCHEDULE OF PATENT FEES. $50 $15 $30 And How to Obtain Them. HOW T OBTAIN ATENJ How Can I Best Secure My Invention? Preliminary Examination. To Make

Oil for Marine Uses. Engineering Notes (gorresporubence. Under the Lilacs. Successful Trial of the Santos Bumont Balloon., scientific american, 1901-07-20

Hats in Brazil. Permanent Exhibition in Boston. When America was Named., scientific american, 1879-06-21

other just in front of the stem of the bow the four cutters being spaced at equal distances from each other the width from outside to outside being slightly more than the extreme breadth of the dredge. Some novel features are embodied in the pontoons

scientific american, 1874-04-11

A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XL.No. 191 Improved Water Wheel. Some Effects of the Erith Explosion. TYLER'S IMPROVED WATER WHEEL., scientific american, 64--05

AGRICULTURAL INVENTIONS. The Geological Survey., scientific american, 1881-04-02

AN INTERESTING PROCESS FOR AVOIDING SPONGINESS IN HEAVY STEEL CASTINGS. BLOCK 1. Charge tests . 0.13 0.80 0.14 0.042 0.034 Sample at a 0.15 0.82 0.15 0.052 0.052 C Mn Si P 5 Fig. 2.-Biock Weighing 25630 Pounds of Which 1870 Pounds Are Lost Fig.

SENATE BILL NO. 300. THE BRITISH ASSOCIATION. THE IMAGINATION IN THE CONSTRUCTIVE ARTS. THE BAG-WORM'S MOTHER., scientific american, 1878-09-21

Burst Water Pipes a Ching of the Past You can now make all water pipes as secure from bursting in winter as in summer. This pneumatic system is the only one which successfully prevents the annoy ing and costly bursting of water pipes. It has solved a

NO. 37 PARK ROW (PARK BUILDING) NEW YORK. Contents: IS THERE ANY THING NEW UNDER THE SUN I HISTORY OF THE WATCH. Manufacture of Enameled Cloth. Primeval Vegetable Life. ap PACIFIC RAILROAD PROGRESS. Crystallization. Steam Pressure on the Slide

scientific american, 64--11

TO OUR READERS., scientific american, 1862-06-28

Preventing Boiler Explosions. New Rotary Pump. 0 IMPROVED SELF-REGULATING WIND MILLS. NOVEL ROTARY PUMP., scientific american, 56-06-21

HARDENING SAWS AND OTHER ARTICLES., scientific american, 1866-03-03

contents: ONE IDEA. MEN. TREATMENT OF APPRENTICES BY 'OLD HANDS.' 431 IS BRAIN LABOR PECULIARLY EXHAUSTING. PROGRESS OF THE ART OF DENTISTRY. POWER LOOMS IN THIS COUNTRY., scientific american, 1868-10-07

MAY 12 1900. Zorresporthence. Insects as Food. Austin Dam. The Current Supplement. RECENTLY PATENTED INVENTIONS. Agricultural Implements. C:thanical Devices. gates. Railway-Appliances. Miscellaneous Inventions by chains the platforms serving as

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