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THE HEAVENS IN MAY. ACTION OF RADIUM ON METALS. THE CURRENT SUPPLEMENT., scientific american, 1904-05-07

The new Japanese sister battleships 'Kashima' and 'Katori'. Scientific American, 1905-08-05

To LUMBERMEN: $100.00 GOL Address EMERSON FORD & CO. Beaver Falls Pa, scientific american, 1875-01-30

THE WATCH—ITS INVENTION AND HISTORY. f 0. Test for Free Sulphuric Acid in Vinegar., scientific american, 1877-08-18

Paper Sails. How Is Vulcanization Accomplished To Prevent Drifting Sands. Do Gulls Follow Ships I I 4E PHOTOGRAPHS OF THE HARLEM SHIP CANAL—A perior pnotographer in this line of work., scientific american, 1895-07-27

RECENTLY PATENTED INVENTIONS. Railway Appliances. Mechanical. Miscellaneous. JANUARY NUMBEB.-(No. 63.) 'Zitusinests anD '3!PerisonaL., scientific american, 1891-01-11

The Color of Atoms Ions and Molecules. Cement for Leather Belting. RECENTLY PATENTED INVENTIONS. Railway Appliances. Electrical. Mechanical. Agricultural. Miscellaneous. Designs., scientific american, 1896-02-11

AND EACH BEARING THAT DATE, scientific american, 1904-03-26

moon which deserves to be noticed. The ellipticity of the earth's orbit is slowly diminishing ; so that it is becoming Fig. 6. more and more nearly circular and its area is becoming great er every year. As a consequence the earth tends to draw the

Improved Rotary Pump. wa Improved Cradle. Reflectors on French Ships. CHEVALIER AND BRASS' WIRE CRADLE. Hot Boxes. Purification of Lard. On Organic Matter in Water. White Brass. LEUCHTWEISS' IMPROVED ROTARY PUMP. _, scientific american, 1870-08-20

scientific american, 1867-10-05

MUNN & CO. Editors and Proprietors. No. 361 BROADWAY NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition. Contents. TABLE OF CONTENTS OF SCIENTIFIC AMERICAN SUPPLEMENT Sea. For the Week

THE BENNETT DREDGE AND AMALGAMATOR. ELECTRIC DREDGING AND AMALGAMATING MACHINE. thoroughly screens out and washes the coarser parts, scientific american, 1891-05-09

RESUME OF THE JURY'S EXAMINATION. AMERICAN WATCH COMPANY WALTHAM 98 95 95, scientific american, 1880-07-03

A Bound Book of 144 Pages for 25c. TO INVENTORS AND MANUFACTURERS THE ALLEN COVERNOR [ESTABLISHED 18481 United States. THIRTY YEARS' IIIPERIE2i0. M17107 & CO. 37 Park Row N. Y. A.IR COMPRESSORS BURLEIGH ROCK DRILL CO. R. HOE & CO. CAST STEEL SAWS

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME 5. NEW YORK APRIL 6 1850. [NUMBER 29. Scientific American CIRCULATION 14000. TER1IIS--$2 a year--$1 in advance anti the remainder in 0nonths. Railroads in

Natural History Notes. A New Industry for Mexico. The Yard Measure and the Meter., scientific american, 1892-11-26

Steam Gong Are the Tails of Comets Reflected or Refracted Light The Prussian Patent Laws. Illuminating Gas from Naphtha. A Challenge to Watchmakers. Effect of Our Fifteen-Inch Projectiles., scientific american, 1867-09-07

Drouillardla Drifter Balloon Float. -- OBSERVATION OF SOLAR ECLIPSE AT SEA. H. M. S. Experience. THE ECLIPSE OF THE SUN AS OBSERVED ON THE 'LUCANIA., scientific american, 1905-09-16

NEW BOOKS AND PUBLICATIONS., scientific american, 1879-11-08

Singular Boiler Explosion. Opportunities for Inventors in the Provision and Grocery Trade. a. Progress in Railway Improvements. IHints for Those Who Intend to Build. Prof. Benjamin Stillman. The Mersey Railway., scientific american, 1885-01-31

213 India Rubber Forever. Agriculture for 1S5. A Propeller to go dead against the Wind. The Reaper., scientific american, 1855-03-17

scientific american, 1862-10-18

Fabric for the Manufacture of Hats Caps etc. Tinning the Interior of Lead Pipes. MANUFACTURING MINING AND RAILROAD ITEMS., scientific american, 1868-04-11

IMPROVEMENT IN THE CONSTRUCTION OF FENCES AND POSTS. A New Hospital. The Channel Tunnel. Coal in Venezuela., scientific american, 1881-05-07

Olive culture120 EACH NUMBER CONTAINS SIXTEEN LARGE PAGES. ARTICLES MARKEDARE ILLUSTRATED WITH ENGRAVINGS. PRICE 10 CENTS EA co NUMBER. MUNN f CO. 861 BROADWAY' NEW YORK IN ORDERING PLEASE GIVE TOE NUMBERS., scientific american, 1884-12-06

Magnetic. Separation of Iron Sand. The British Patent Laws. The Increasing Cost of Paupers and Criminals. SCIENTIFIC AMERICAN SUPPLEMENT No. 087 BOILER EXPLOSION NOTES., 1881-07-02

FOR SHAFTS. SUPPORTING PAD FOR SHAFTS. IMPROVED APPARATUS FOR TRAINING HORSES. SHEDD'S IMPROVED APPARATUS FOR TRAINING HORSES., scientific american, 1885-10-03

scientific american, 1867-12-14

A Great Flour FLETCHER'S REBOLTING MACHINE. THE COMBINATION FOOT LATHE., scientific american, 1874-08-29

Bouton Whitehead & Co.NapervilleI. 593AxEsC. Gerber & Co. Toled 0. 594FEETILIZERSJ. Horner Jr. Baltimore Md. 596GL0vEsWare Marshall & Co. Boston Mass. 597CoLoRsB. Weber New York city. 598 and 599MEDICINEHolloway & Co. New York city. EXTENSIONS.

B. F. STURTEVANT. A. S. CAMERON & CO. Diamond - Pointe d STEAM BRILLS . THE AMERICAN DIAMOND DRILL CO. No. 61 Liberty St. New York STEAM HAMMERS FERRIS &MIES 24T_H&WOOD SLsPHILft VENEERS AND GEORGE W. READ & CO. WIRE ROPE. Working Models The Union

book of Plead OTTO GAS ENGINES. Over 25000 Sold. OTTO GAS ENGINE WORKS CHICAG PHILADELPHIA. heating. Made entirely of ASBESTOS. Absolutely Fire Proof. BRAIDED PACKING BILL BOARD SHEATHING CEMENT FIBRE AND SPECIALTIES. 033.01.7BERIPLIB 3PRIIIIrCDIS

ORGANIC AND INORGANIC SUBSTANCES. THE EXHIBITION JF THE AMERICAN INSTITUTE., scientific american, 1869-10-30

ADAMSON'S SKATING DEVICE. The History of the Stove. An Improved Skating Chair. Champagne Country. The Hoosac Tunnel Disaster. 40, scientific american, 1867-11-09

N 37 PARK ROW NEW YORK. SECRET SOCIETIES AMONG COLLEGE STUDENTS. PROGRESS OF PATENTS. WOOD AND STRAW PAPER MAKING IN FRANCE. TWO INTERESTING DISCOVERIES. NEW ORDER BY THE COMMISSIONER OF PATENTS. PETROLEUM AND PINE TAR GASES. contents :, scientific

A BEAVER COLONY. The Rabbit Pest in New South Wales. Glutton n a Frog. BEAVERS AT WORK.Bird-Eating Frog., scientific american, 1883-07-07

ISSUED BY THE U. S. PATENT OFFICE. MUNN & CO. Patent Solicitors. 37 Park Row New York., scientific american, 1871-07-11

Stove vapor F. A. Lyman 861170 bee ULU DESIGNS. TRADE MARKS. hand. each. If complicated the cost will be a little more. For full instructions address Munn & Co 361 Broadway Assets . . . $9000 Surplus . . $2129000 GRATEFUL-COMFORTING. COCOA eally

HUMAN'S IMPROVED HORSE RAKE. over those of the same class heretofore in use consists most recently issued less than those older and thicker. .. -, scientific american, 1860-12-15

TO INVENTORS. INDEX OF INVENTIONS For which Letter. Patent of the United States were Granted October 4 1892 AND EACH BEARING THAT DATE., scientific american, 1892-10-15

133 A Steam Carriage of the Olden Time. The Names of the French Weights and Measures. Aquaria Cement.10 Effect of the Earth's Cooling. Melting Platinum. The Track of an Army.To Color Scarlet. Facts concerning Shells., scientific american,

Improved Expanding Mandrel. St. Elmo's Fire. CRITCHLEY'S EXPANDING MANDREL., scientific american, 1866-05-12

THE TORNADO AT FARG NORTH DAKOTA. The History ol Zero. The Class of People Out of Employment. The New York Pasteur Institute. Employer and Employe., scientific american, 1890-11-01

RECENTLY PATENTED INVENTIONS. Agricultural Implements. Engineering Improvements. Metallurgical Apparatus. Mechanical Devices. Vehicle Accessories and Harness. Miscellaneous Inventions. Designs. Please state the name of the patentee title of the

THE BRITISH NAVAL PROGRAM FOR 1903 REORGANIZIN G THE FLEET., scientific american, 02-03-15

BRIEF TABLE OF CONTENTS THREE NEW BOOKS JUST PUBLISHED BY MUNN & CO. HANDY MAN'S WORKSHOP AND LABORATORY SCIENTIFIC AMERICAN BOY AT SCHOOL BRIEF TABLE OF CONTENTS CONCRETE POTTERY AND GARDEN FURNITURE Please mention the SCIENTIFIC AMERICAN when

scientific american, 1900-05-05

SCIENTIFIC AMERICAN SUPPLEMENT THE WORLD'S COLUMBIAN EXPOSITION. In addition to furthering the work in this way the installing force was increased to as many men as could possibly be used and an abundance of labor was held in reserve and at the

Industrial Drawing and Art Studies. THE NEW DOUBLE STEAMSHIP CALAIS-DOUVRES., scientific american, 1878-07-27

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY. AND MANUFACTURES. MIA SIMS& LATHROP'S SEWING MACHINE. EMBROIDERY '. SIMLE CHAIN, scientific american, 1872-10-26

The Liquefaction of Fluorine. Have Bacteria Uses? The Fastest Steam Yacht Afloat Building Roads Too Fast. Recent Patent and Trade Mark Decisions., scientific american, 1897-07-03

TORPEDO WARFARE. ILLUSTRATIONS OF TORPEDO WARFARE, scientific american, 1877-07-21

AUGUST 16 1879. gCrientifir merin. OMIIP Another Juvenile Prodigy. A NEW PISTON ROD PACKING. St. Petersburg as a Seaport. AN IMPROVED CHURN. PARKER'S CHURN. Value of a Trade Mark. HEWITT'S PISTON ROD PACKING. The Electrical Balance. ENGINEERING

THE FLIGHT OF BIRDS. 'Unwholesome Candles. Coal Slack. I, scientific american, 1871-03-25

A VALUABLE WORK. FOR INVENTORS PATENTEES AND ITIANUFACTURERS., scientific american, 1865-01-14

Classified Advertisements SALE AND EXCHANGE. BUSINESS OPPORTUNITIES. HELP WANTED. PATENTS FOR SALE. MACHINERY FOR SALE. PARTNERS WANTED. GAS-LIGHTING APPLIANCES. BOOKS AND MAGAZINES. BUSINESS PHOTOGRAPHS. EXPERIMENTAL WORK. STEAM BOILERS.

Musical Devices. Prime Movers and Their Accessories. Pertaining to Vehicles.and Queries., scientific american, -1909-06-05

ARTIFICIAL FLIGHT. EDISON ON PATENTS. RECOVERY OF SILVER FROM FIXING BATHS., scientific american, 1898-01-08

veyer can be disconnected at any point; the sections can be run in almost any direction. The overhead track is constructed to such points in the yard as will best serve the distribution of the brick; it can be built at varying heights and en any

American engineer receives $2800 per annum and the Brit ish engineer $1100 per annum. black resin 2 ozs. Melt together and then add : Prussian blue 1 oz. lampblack oz. While the mixture is cooling add turpentine till a suitable consistency is

THE BILL TO INCREASE THE PATENT OFFICE FORCE.4Ir 414 NAVAL APPROPRIATION BILL PASSED. RELIEF FOR CUBAN FAMINE SUFFERERS. THE SUBMARINE TORPEDO BOAT. THE WELSBACH PATENT SUSTAINED., scientific american, 1898-04-09

RECENTLY PATENTED INVENTIONS. NEW BOOKS ETC. TO INVENTORS. INDEX OF INVENTIONS United States were Granted AND EACH BEARING THAT DATE, scientific american, 1897-11-11

COMBINED TOOL. American Zinc Ores. Remarkable Gas Wells in Ohio. Remarkable Cure of Aneurism. CAST IRON CHIMIVEY. AUTOMATIC TOY. IMPROVED PLIERS. Camels in Washoe. A New Cement, scientific american, 1871-01-28

GIGANTIC FLOWERS. GIGANTIC- LILY OF SUMATRA. Origin of the Cereals. Violin Making., scientific american, 1885-07-18

if we send it FREE? Rapid Computer Adding Machine price of only $25.00—if it doesn't send it back at our expellee. It does Rae ork perfectly at any angle--can rest on any desk or on book saver of time and errors. Capacity 9905999.99. Save time and

CRUISER ARMED WITH PNEUMATIC DYNAMITE GUNS. THE SUBMARINE BOAT NAUTILUS. CRUISER ARMED WITH PNEUMATIC DYNAMITE GUNS THE DISPLACEMENT SINKING AND RISING SUBMARINE BOAT NAUTILUS WORKING BY ELECTRIC POWER. Vol. LVI.--No. 13.1, scientific american,

SCIENTIFIC AMERICAN MUNN 6. CO. - Editors and Proprietors No. 361 Bron.dway New York PANAMA CANAL PROBLEMS. BLONDLOT AND PROF. WOOD ON THE N-RAYS. THE ELECTRIC SMELTING OF IRON ORE. LAUNCH OF THE ARMORED CRUISER ' TENNESSEE.' NEWS ABOUT THE SUBMERGED

Drier for Fruits etc. RECENT INVENTIONS. Car Coupling. THE AUSABLE CHASM. 4e 4lir Wood Finish., scientific american, 1882-09-30

RECENTLY PATENTED INVENTIONS. Pertaining to Apparel. Electrical Devices. 01 Interest to Farmers. Of General Interest. Hardware. Heating and Lighting. Household Utilities. Machines and Mechanical Devices. Musical Devices. Prime Movers and Their

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending August 22 1876 DESIGNS PATENTED. SCHEDULE OF PATENT FEES. $20 820 $30 5 $30 THE VALIDITY OF PATENTS. Inside Page each insertion- 75 cents

Typical crevasses in a glacier of the Selkirks (british Columbia). A scientific party making observations on a glacier Moraine. General view of Mount Tacoma. Scientific American, 1906-06-30

IMPROVED LADY'S WORE TABLE. The accompanying illustrations represent a new lady's work table patented to Mr. C. R. Snyder December 1 1874. The lid of the table as shown in Fig. 1 is readily converti ble into a lap board by the side arms turning on a

The Eyesight of School Children. THE POULSON METAL HOUSE. Fig. 3THE DION BOUTON & CO. GASOLINE TRICYCLE., scientific american, 1896-10-17

Improved Portable Duilroad. Drying Effect of Fir Trees upon Soil. Shad Propagation. PETELERS' PORTABLE RAILROAD. . . IMPROVEMENT IN COAL SCUTTLES., scientific american, 1869-07-31

Improved Baker's Oven. ROBBINS' IMPROVED PIPE WRENCH. WEDGE'S ROTARY OVEN Gunpowder Experiments., scientific american, 1871-05-20

PRACTICAL INFORMATION FOR PRACTICAL MEN. WORKMEN AND TREIR INSTRUCTORS. BORN SCIENTISTS. EDUCATED FARMERS.Crystallized Gly cerin., scientific american, 1876-09-23

Vol. LIX No. 2.1 [NEW SERIES. THE REPRODUCTION OF ARTICU LATE SPEECH. THE GRAPHOPHONE MR. CHARLES SUMNER TAINTER'S NEW SPEECH RECORDER., scientific american, 1888-07-14

TARGET PRACTICE—ONE ELEMENT OF OUR NATIONAL COAST DEFENSE. THE OCEAN-GOING DESTROYER 'GHITRKA' MAKING 4% KNOTS, scientific american, 1908-01-04

JONES & LAUGHLINS 190 . Canal it.Chicago. DANA& FITE. Boston Mess. PATENT Flawing and Matcling and Melding MschMeeGray & Wood's PlanenSelf.oiling CHRISTMAS BELLS FOR 1871 achinery. R Counsellorat Law 9 &Nunn at Room 26 New P. BLAISDELL & C Worcester

A Substitute for Coal or Coke. 100 Gallons of Oil against 9400 Pounds of Coal. A SYSTEM FOR BURNING CRUDE PETROLEUM NUT TAPPING MACHINE. DURRELL'S PATENT.e0MPLETE STEAM RANKS THE HIGHEST °Mee 59 Liberty Street NOW READY. HENRY CAREY BAIRD & CO.

which it passes., scientific american, 1898-09-24

Guarana in Chronic Rheumatism. An Ingenious Substitute for the Hypodermic Syringe. Diabetes. Diastase as a Digestive Agent. Iron Purifies Water.Carbonic Acid as a Motor. Sulphur in Iceland. A Gigantic Grain Elevator Cops'iba in Croup., scientific

a fastener being secured by L-shaped notches as in the portable candlesticks and Fig. 5 represents in detail the ar rangement of the spring follower and the pivoted lid piece. PORTABLE CANDLESTICKS. In this case the follower is provided with a thumb

AUGUST 30 1873.1 THE GREAT EXPOSITION—LETTER FROM UNITED STATES COMMISSIONER PROFESSOR R. H. THURSTON. Artificial Fibrin as a Diet., scientific american, 1873-08-30

A MARVELOUS AUTOMOBILE RECORD-103% MILES AN HOUR. THE OLDEST KNOWN INHABITANT OF THE GLOBE. A MARVELOUS FEAT: RICrOLLY TRAVELING AT THE RATE OF 103% MILES AN HOUR. YEARS OLD. HE CAN EASILY CARRY TWO FULL GROWN MEN., scientific american, 1904-08-13

English Patents Issued to Americans. PATENTS. NUNN & CO. Solicitors of Patents NEW BOOKS AND PUBLICATIONS., scientific american, 1882-12-09

75 cents a line. AGENTS Per Day E. & A. BETTS KEEP YOUR BOILERS CLEAN. ANTI LAMINA JUST OUT. Science Record GLASS CUTTERS. DOUBLE ACTING SteamPumps ALWAYS RELIABLE. EELON PLANERS NEW HAVEN MANUFACTURING CO. New Haven Conn. A. B. SAVAGE & CO.

PUBLISHED WEEKLY AT NO. 37 PARK ROW (PARK BUILDING) NEW YORK. Contents :. (Illustrated articles are marked with an asterisk.) Improved Vertical Portable En Marker glue 63 Most Delicate Color Test for the War63 Improved Gate Our Eyes and how to take

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent. of the United States were Granted December 31 1889 AND EACH BEARING THAT DATE., scientific american, 1890-01-18

scientific american, 1866-05-19

A REMEDY FOR SMALL PDX BY ONE WHO HAS TRIED IT. THE ELECTRO-MAGNETIC TELEGRAPH.-HONOR T WHOM HONOR IS DUE., scientific american, 1872-02-24

100-Horse power. per Minute Best Pumps in 'the World pas out Injury. Send for Circulars. TERMS. CLUB PREMIUMS. 87 PARK ROW NEW YORK PATENT BAND Reynolds' Gearing Shafting. STEEL CASTINGS NCLITINATI. OHIO. EDWARD H. HOSKIN M -Lowell ass. Planing and

THE BRIDGEPORT WOOD FINISHING CO. BRE I N I G'S LITHOC EN SILICATE PAINT. STEAM LAUNCHES. STEAM YACHTS & TOW BOATS THAM:RICAII:ILIVPHON:CO. 95 MILK ST. BOSTON MASS. VALLEY MACHINE CO. NEW KODAKS THE EASTMAN COMPANY PELTON WATER MOTOR. GENERALo°

NO. 37 PARK ROW NEW YORK. The Scientific American Supplement Scientific American Export Edition. Contents THE SCEENTIFIC AMERICAN SUPPLEMENT No. 154. Forthe Week ending December 14 1878. PROGRESS OF PETROLEUM. THE LIMIT OF WORK. IRIDESCENT GLASS.

LOW-PRICED EMER DITHER S Stroudsburg. Monroe Co. Pa. Established 1846. The Oldest Agency for Soliciting Patents in the United States. Copies of Patents. 37 Park Row N. Y. Washington D. C. SCIENTIFIC AMERICAN FOR 1875. 'FRB ROST POPULAR SCIENTIFIC

Financial Outlook for Our World's Fair. soon and this force is considered sufficient to finish the AN IMPROVED BARREL MAKING MACHINE. DRAKE'S BARREL MAKING MACHINE. 10Press. Loftus Perkins. and pressed against the stopper., scientific american,

Commissioner Holt appointed Postmaster. General. Machinery and Labor. Decoration for Houses. Weights and Measures. Gallant Act ot an Engineer., scientific american, 1859-03-19

The Knibbs Valve Patent Suits. Plate Glass Insurance. Manufacture of Tin Plate. Errors in Maps of New York State., scientific american, 1884-01-12

AMERICAN OXIDE BRONZE C RUBBER BACK SQUARE PACKING. Valuable Books PAINTERS e VARNISHERS. ELECTRICAL BOOKS. to 20 days. No pay till Cured. Morphine Habit Cured in 10 WESTON DYNAMO-ELECTRIC MACHINE NEWSPAPER FILE IRON REVOLVERS PERFECTLY BALANCE!) P.

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