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Can Ants Hear? A REMARKABLE BANYAN TREE AT ST. KITTS. Magnalium—Its Properties and Uses. Production of Caoutchouc in Brazil., scientific american, 1900-02-10

67 TYLER'S CLIP COUPLING FOR VEHICLES. CLIP COUPLING FOR VEHICLES. FENCE WIRE TIGHTENER. 0 Fuel not Economical. Panama Canal. LAMP FILLING ATTACHMENT FOR OIL CANS. IMPROVED QUILTING FRAME. WRIGHT'S IMPROVED QUILTING FRAME. MISTED'S FENCE WIRE

scientific american, 1870-06-04

The descent for the first few hundred feet is over, scientific american, 1897-05-22

Such principles we must say are of that pro the practices of a dark degraded and benight ed age. We hope that the U. S. Senate will act upon this question soon. It should be settled at once one way or the other and not left over throghout the

above and state name of patentee title of invention and date ot patent. Publishers SCIENTIFIC AMERICAN 37 Park Bow N. Y. THE IMPROVED NIAGARA STEAM PUMP Hubbard & Aller SOIJC MANUFACTURERS SHINGLES READING AND STAVES. Machiner3r. OLD ROLLED SHAFTING.

scientific american, 1869-12-04

THE YERKES OBSERVATORY TWO-FOOT REFLECTOR. BY MARY PROCTOR. TWO-FOOT REFLECTOR WITH WHICH PROF. RITCHEY PHOTOGRAPHED THE NEBULA SURROUNDING NOVA PERSEI. HIS ASSISTANT MR. PEASE WORKING THE DOUBLE SLIDE PLATE-HOLDER., scientific american,

THE TALAMANOANS—A FORGOTTEN PEOPLE OF PANAMA. BY C. D. HAYWARD. THE TALAMANCANB—A FORGOTTEN PEOPLE OF THE NEWLY-CREATED REPUBLIC OF PANAMA., scientific american, 1903-11-21

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS FOR WHICH Letters Patent of the United States were Granted in the Week Ending July 24 1877 AND EACH BEARING THAT DATE., scientific american, 1877-09-01

Natural History Notes. Fire Horses. Wealth in Inventions. The Many-tailed Comet., scientific american, 1892-05-07

. Light Heat and Electricity from Motion. Brandy from Wood Shavings., scientific american, 1872-05-04

'WE MAKE 'THEM' SEAMLESS STEEL TUBES SEAMLESS STEEL BOILER SHELLS SEAMLESS STEEL BOILER TUBES and FLANGED BOILER HEADS. FOR TOWN OR COUNTRY USE IMPROVED QUEEN 6t CO. 1010 Chestnut St. Philadelphia Pa. Bust of McKinley. FRANKLIN STATUARY CO. P. 0. Box

DECEMBER I 1894. The Vanishing Mountains. AN IMPROVED LITTER. ORTEGA'S LITTER OR STRETCHER. CIMMI, scientific american, 1894-12-01

TO INVENTORS. INDEX OF INVENTIONS United States were Granted November 13 1888 AND EACH BEARING THAT DATE., scientific american, 1888-12-01

322 OBJECT LESSONS IN CENTRIFUGAL FORCE. ARMOR CONTROVERSY FINALLY SETTLED. BOGUS PATENT ATTORNEYS IN GREAT BRITAIN. THE ANNUAL MEETING OF THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS. CLOSE OF THE PARIS EXPOSITION., scientific american,

THE NEW 2500 HORSE POWER TURBINES AT NIAGARA. A NEW VISCOSINETER. A NEW TYPE OF VISCOMETER. 2500 HORSE POWER TURBINES—NIAGARA POWER AND MANUFACTURING COMPANY., scientific american, 1898-12-10

TO BUSINESS MEN GATES ROCK a. ORE BREAKER Capacity up to 200 tom per hour.OATES IRON WORKS 50 C So.Clinton St Chicago The Bailey Automatic Bicycle Brake PROVIDENCE R. I. SCIENTIFIC AMERICAN OFFICE NEW AND VALUABLE Books for Practical Men RECENTLY

CIENTIFIC L $3.00 A YEAR., scientific american, 1904-07-16

ever offered to participate in the enormous profits that are being made in California Oil. now while you have the opportunity to get it at such a low figure. Proceeds to apply in further developing and ope 70 STATE STREET BOSTON. OF EVERY ME RIPTI

Los Angeles's Giant Water Scheme. Spontaneous Ignition of Piles. BY DAY ALLEN WILLEY., scientific american, 1905-12-09

WOOD PAVING IN PARIS. BLOCKS. Annual Meeting of the American Association for the Advancement of Science. FOR WOODEN PAVING, scientific american, 1903-01-11

BROWN'S IMPROVEMENT ON SAW MILLS., scientific american, 1853-08-20

scientific american, 1876-12-02

The Apricot Industry in Damascus. Tests of Rubber Hose. THE VIADUCT DU LOUP. THE VIADUCT DU LOUP. Hop Growing in Bohemia., scientific american, 1892-07-30

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. (Entered at the Poet Office of New York N. Y. as Second Clam matter. Copyright 1896 by Munn & Co. [ $3.00 A YEAR. Vol. LXXIVNo. 22.1, scientific american,

Notes on the Habits of Some Western Snakes. NATURAL HISTORY NOTES. Eight Preachers Once., scientific american, 1882-07-22

The Craig Colony for Epileptics. Magnetism of the Earth Illustrated. Fruit Growing in Florida. How to See Cataract in your Own Eye. Modern Chemical Science as an Aid to the Police., scientific american, 1894-05-26

Residues and What to Do With Them. precipitate was filtered dried and burned in an old The Archaeological Exhibit of the Department of Fine Arts. of .175500000. CURING PARA RUBBER WITH THE FUMES OF THE URUCURU NUT UPPER AMAZON RIVER. GATHERING PARA

Horizontal. Chaa. Ashburner.-Conditions under which natural gm had at this office and from all newsdealers. Julius Ctesar.-By Rear. Admiral Serre of the'French 10 cents. To be had at this office and from all news dealers. INGERSOLL ROCK DRILL GO.

scientific american, 1875-01-11

A Needy but Liberal Inventor JANY THE SIXTH CINCINATTI OHIO. 41. 141 10 Experiments with the Lay Torpedo at Newport. I Act 3 x_7), scientific american, 1873-02-08

Letters Patent of the United States were Granted in the Week Ending May1880 AND EACH HEARING THAT DATE. English Patents Issued to Americans. WANTED THE FRICTION CLUTCH CAPTAIN Friction Hoisting Engines and Hoisting Drnms. ROCHESTER Y The Cambridge

Battle Creek. Mich. $1200 FAIL T MAKE MONEY WIRE-DRAWING MACHINERY S. HEALD & SONS Send for prices etc. Barre Mass. Baker Rotary Pressure Blower. Warranted superior to any other. WILBRAHAM BROS. 2818 Frankford Ave. PHILADELPHIA. 174 ELM STREET

RECENTLY PATENTED INVENTIONS. Of Interest to Farmers. Of General Interest. Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES BEST MATERIALS. BEST WORKMANSHIP. CATALOGUE FREE PATENTS GRINDER To Book Buyers MUNN & COMPANY Regal Marine

THE NEW INLAND WATERWAY. Cantilever Cranes and Hoisting and Conveying Cables at Work on Rock Cuts. THE CHICAGO DRAINAGE CANAL IN COURSE OF CONSTRUCTION., scientific american, 1900-02-17

scientific american, 1875-04-17

THE ADVOCATE OF INDUSTRY AND .TOITRNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS VOLUME XIL NEW-YORK JUNE 20 1857. NUMBER 41. WALLWORK'S ROPE MACHINE. Scientific American Test Papers. A Perverted Nautical Taste. Erratum. Interesting Gunpowder

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending November 16 1880 A.ND EACH BEARING THAT DATE., scientific american, 1880-12-18

CIENTIFIC MERICAN, scientific american, 1902-05-24

PUBLISHED WEEKLY AT SCIENTIFIC AMERICAN SUPPLEMENT TERMS FOR THE SCIENTIFIC AMERICAN.Cassava Meal and Tapioca., 1894-06-09

ENGINEERING INVENTIONS. ELECTRICAL INVENTION. MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS., scientific american, 1882-07-11

RECENT BOOKS MODERN AMERICAN LATHE PRACTICE Modern Steam Engineering in Theory and Practice Price $3.00 Punches Dies and Tools for Manufacturing in Presses Modern Plumbing Illustrated Publishers 361 Broadway New York THE MOTOR PEERLESS SUT-PROOF

BAYONET CHARGE!. A Noble Example. RECENT AMERICAN INVENTIONS. scientific american, 1862-11-15

Paper Negatives. LOOP FOR HANGING GARMENTS. HARRIS' LOOP FOR HANGING GARMENTS. The New Cunard Steamship. The Motor Power of the Human Body. CHARGER FOR LOADING REVOLVERS. MUNCH'S CHARGER FOR LOADING REVOLVERS. SIMPSON'S RETENONING MACHINE,

A STRANGE EXPLOSION. DUST EXPLOSION IN EHRET'S BREWERY. DUST EXPLOSION IN EHRET'S BREWERY. Another Trial of the English Yacht Anthracite, scientific american, 1881-08-20

The curved concrete dam at Barossa, Australia. The dam in course of construction. View of the dam from downstream. Scientific American, 1905-04-01

35.00 65.00 Wilson Shuttle40.00 45.00 MACHINISTS INFRINGEMENT OF PATFNT. BOILER EXPLOSIONS. Machinery. Trade41ark Patents. HENN & CO. 37 Park Row New York. Nickel Plating. MUNN & C New York city. HAND, scientific american, 1871-09-23

136 THE SCIENTIFIC AMERICAN. BECK'S SCROLL-SAWING MACHINE. -mow, 1859-08-27

by applying to or addressing A. RH (JLMAN Armorer Trenton Arms Co. Trenton N.J. le 2. enclosed) G. LITTLETON Cleveland Ohio. Rights for sale. 1. 194 _1 mailed prepaid for $2 25: with 6 beautiful mounted objects for 15 8 ORDNANCE OFFICE WAR DEPARTMENT

ASPECTS OF THE PLANETS FOR FEBRUARY., scientific american, 1885-01-24

THE NEW SUSPENSION BRIDGE OVER THE CUMBERLAND AT NASHVILLE TENN. Vol. XVII1.--No. 9 The Nashville Suspension Bridge. EDITORIAL CORRESPONDENCE., scientific american, 1868-02-29

Remarkable Coal Mine Explosion. The Royal Aquarium at Westminster. English Products in the United States. Etching Process. Successful Progress of the Mississippi River Jetty Works. Giffard's Cold Air Engine. New Property of Glycerin. DECISIONS OF THE

The Worker's Friend. Premium for the Best Circular Saw., scientific american, 74-09-12

Business and Personal Wants. sary to give the number of the inquiry. MUNN & CO. INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending February 17 1903 AND EACH BEARING THAT DATE. and Queries., scientific

PRESS FOR MAKING STEEL BICYCLE RIMS. TRAIN TELEPHONY. PRESS FOR MAKING STEEL BICYCLE RIMS. TELEPHONING FROM MOVING CARS., scientific american, 1896-04-04

Cycle Notes. Manufacture of Lead Pencils. The Blackmmith. Hair Worms and Their Hosts. BY HARRY MOORE. thinks they swallow them as larva. I am inclined t Archteologioal Discoveries. The Pasteur Institute's Farm. 4p414 Synthetic Formation of a New

end of the round it was delayed 20 minutes changing Varnish Made with Carbon Tetrachloride. crowding of spectators upon the track. This was the last ear to finish. THE FOURTH VANDERBILT CUP RACE., scientific american, 1908-11-07

WALLIS'S NEW SYSTEM OF ENGRAVIN THE BEST MECHANICAL PAPER IN THE WORLD SEVENTEENTH YEAR. MUNN & CO. Publishers G., scientific american, 1861-10-05

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted June 3 1890 AND EACH BEARING THAT DATE., scientific american, 1890-06-21

AWARDED THE FIRST PREMIUM AND GOLD MEDAL at the Augusta Ga. Exposition Electric Coal Cutter Electric Rock Drill Electric Mining Pump and Electric Hoisting Machinery. THOMSON-VAN DEPOELE ELECTRIC MINING CO. ARTISTS WHO GET RICH L MONTHS ON TRIAL' FOR

ENGINEERING INVENTIONS. MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS., scientific american, 1883-08-11

Improved Evaporator. The Hessian Fly and its Remedy. PRICE'S SORGHUM EVAPORATOR., scientific american, 1864-06-25

MECHANICAL INVENTIONS. IMPROVED STEAD! ENGINE. IMPROVED SPINDLE. TINICHADVS IMPROVED SPINDLE. Novel Barometers. How to Increase the Light of Gas Flames. Daniel Drawbaugh's Telephones. INNIS' STEAM ENGINE., scientific american, 1882-04-08

THE REED & CARNRICK FOOD LABORATORY. Dryness of Walls ate. Leprosy. Utilizing the Tin Can. What Advertisers Like to Know. The Adventures of a Horse., scientific american, 1888-04-07

157 powder., scientific american, 1861-09-07

Star Lathe 9 and 12 inch Swing. .POWER & FOOTI '6APERSPLANERS.DRILLS. CHANDLER & FARQUHAR THE CURTIS D'ESTE 'lc SEELEY CO. 29-33 Haverhill Street Boston. CHUCKS BUY THE OBER LATHES THE BILLINGS WIRE CUTTER THE BILLINGS & SPENCER CO. Drawer 3.

IMPROVED CENTERING CHUCK. A New and Powerful Explosive. COMBINED VENTILATOR AND CHIMNEY. IMPROVED CENTERING CHUCK. Water Supply of Cities. Early History of the Steam Engine. New Mechanical Inventions. COMBINED VENTILATOR AND CHIMNEY., scientific

Week Ending April 16 1887. PAGE THE NEW COMMISSIONER OF PATENTS. JUDGE MONTGOMERY. NATURAL GAS IN INDIANA. H. C. HOVEY.; Artificial Whetstones. i, scientific american, 1887-04-16

No. 61 Liberty St. New York. LUBRICATORS. PATENT CENTRIFUGAL PUMPS VERTICAL AND HORIZONTAL STEAM BOILER AND PIPE COVERING L.W.PondNew Tools. EXTRA HEAVY AND IMPROVED PATTERNS. ENGINEERS Patent Movable-Toothed Patent Perforated SCHLENKER'SPATENT BOLT

THE WEBB ACADEMY AND HOME FOR SHIP BUILDERS. THE WEBB ACADEMY AND HOME FOR SHIP BUILDERS. WEST FRONT OF BUILDING. SOUTHEAST ASPECT WITH CORRIDOR. ONE OF THE DRAWING ROOMS. PORTRAIT OF THE FOUNDER. THE MUSEUM—SHOWING THE DUNDEREERG'S MODEL. THE

The Avery & fellness Co 60 South Canal St. Chicago. ARMSTRONG'S No.0 THREADING MACHINE INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending APRIL 23 i9oi AND EACH BEARING THAT DATE. NICKEL Electra. Plating

An Engineer's Life at Sea. The Development of Time Keeping in Greece and Rome., scientific american, 1888-03-03

NOW READY. GENERAL TABLE OF CONTENTS. EXPORT EDITION., scientific american, 1878-07-06

Decoration of Glass and Porcelain. A Plague of Flies. HENWOOD'S ORE SEPARATOR. Development of Steam Navigation on the Lakes. 4 Repairing an Injured Eye. HENWOOD'S ORE SEPARATOR—VERTICAL SECTION., scientific american, 1882-10-14

Legal Notices PATENTS Every patent secured through us receives special notice in the Scientific American. MUNN & CO. 361 Broadway New York INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending December 29

THE SCORPION. Perpetual Motion. Arsenic in the Soda of Commerce. THE RED SCORPION., scientific american, 1870-06-18

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. LXXIINo: 12. [ 83.00 A YEAH. WEEKLY. A NEW STEAD! TRICYCLE. AN ELECTRIC CARRIAGE. The Income Account of American Hallways. A STEAD! TRICYCLE. THE

SPECIAL NOTICE. A POCKET MANUAL FOR ENGINEERS. EDITION 10000 Clayville N. Y. PATENTS. CET THE BEST AND CHEAPEST. Valuable Manufacturing Property AT AUCTION. No Man need Laek THE RIDER HOT AIR COMPRESSION Pumping Engine Simple Economical Effective. CA

358 efentific 24azoiran. [DECEMBER 5 1874 A Wooden Railroad in Michigan. THE NEW FRENCH ARMY GUN. SMITH'S IMPROVED REIN HOLDER. .1„ a AT.C.Zt61thieZkRaM: ti4'wego, scientific american, 1874-12-05

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Eliding December 17 1878 AND EACH BEARING THAT DATE. English Patents Issued to Americans. Can I Obtain a Patent? 37 Park Row New York. OF THE

Armor and Its Attack. Death of Prof. Brouardel. [DENT STEAMED DOWN THE LINES IN THE YACHTMAYFLOWER., scientific american, 06-09-15

scientific american, 1901-02-09

NEW AND 1IIPORTANT ARRANGEMENTS. CLEARING GUARD OF GRAIN ELEVATORS—George, scientific american, 1857-05-23

Science Notes. Report of the Secretary of Agriculture. A New Illetal Etching Process. An Invention Probably Lost. tection., scientific american, 1900-12-15

THE MODERN THEORY OF HEAT APPLIED TO THE PHENOMENA OF LATENT HEAT COMBUSTION ETC. EXPOSE OF THE TRICKS OF THE DAVENPORT BROTHERS Are the American Women Deteriorating?, scientific american, 1872-01-13

action easy Have You One? NEW YORK TELEPHONE CO. 15 Day Street mounted and unmounted. always kept in stock. Itememoer we make a The CLEVELAND STONE CO. 81 USE GRINDSTONES P Pate Pend., scientific american, 1907-03-23

NOTES ON MILITARY AND NAVAL AFFAIRS. THE SITUATION. BURNSIDE'S EXPEDITION. FRESH WATER NEEDED. SCIENTIFIC AMERICAN. ANOTHER GREAT NAVAL EXPEDITION. THE BATTLE OF SOMERSET. HANG THE RASCALS. HOMEOPATHY IN THE ARMY. TEST OF AN INVENTION. PATRIOT—NO.

Chinese Antiquities in Ireland. Some Reasons why Patents should not be Extended.International Copyright. - Paying for Parker's Water's Wheel. The Woodworth Patent in the Senate. Law Questions on Patents Parker's Wheel Another Fire Annihilator

can be easily applied by any one. H. W. JOHNS 87 Maiden Lane N.Y. LOVEJOY SON ilk CO. SCIENCE RECORD 15 Vandewater Street New York. CLARK & COMPANY'S PATENT SELF-COILING REVOLVING STEEL SHUTTERS Rockford. Winnebago Co. . THE IMPROVED NIAGARA STEAM

scientific american, 01-09-14

scientific american, 1862-03-01

A GREAT REPOSITORY OF PRACTICAL AND SCIENVFIC INFORMATION. SIXTEENTH THOUSAND. PRICE $2.00. The Techno-(hemical Receipt Book HENRY CAREY BAIRD az CO. 510 Walnut St. Philadelphia Pa. U.S.A. ELECTRICAL ENGINEERING TAUGHT BY MAIL. TRICAL ENGINEER ? '

BY EDWARD W. BYRN A.M. AUTHOR OF 'PROGRESS OF INVENTION IN THE NINETEENTH CENTURY., scientific american, 1900-12-29

HISTORY OF TURBINE WATER WHEELS. Number III. BLASTING AND SPLITTING STUMPS WITH PER CUSSION CARTRIDGES. MESSRS. EDITORS SCIENTIFIC AMERICAN—Sirs :—As THE BEST SHOT FOR PENETRATING IRON PLATES., 1862-04-05

ALL MAY HAVE TELEPHONES. A TOOL HOLDER WITH A VARIETY OF TOOLS. SHOGREN'S TOOL HOLDER. A New Antidote for Morphine. Novel Barometer., scientific american, 1894-02-03

The Stigmata of Degeneration. Under great stress of study and the persistent goad Health 'Donns.” 441.4. International Congress of Naval Architects and Marine Engineers. $17000000 on an invested capital of $570000000., scientific american,

For CAMP. YACHT HOSPITAL and HOME MECHANICAL FABRIC COMPANY India Rubber Manufacturers. HAVE YOUR CYCLE FITTED WITH For the Best Ruling Machines 3ET I LutfitliPTHEG. A HOUSEHOLD PROBLEM SOLVED AMBLER ASBESTOS AIR CELL COVERING HIGH GRADE fl(2ROKIFING

Moon and the Weather. The Largest Machine Belt. Wooden Spoons. Manganese. 40 SUCCESS OF THE HELL GATE EXPLOSION. CAR TRUCK FRAME DRILLING MACHINE., scientific american, 1876-10-07

ENGINEERING INVENTIONS. MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. NEW BOOKS AND PUBLICATIONS. Skinner and William C. Winlock. REVIEW OF A GREAT AND BENEFICENT WORK., scientific american, 1884-02-11

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