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A perfectly practical little camera for snap-shots or time exposures. THE 1908 KODAK CATALOGUE fully de $1.00 to over $10000 and fully explains the daylight development methods which have done away with the dark room. Free at Kodak dealers or by

IN THE MARKET. Blake's Improved Pipe Hanger. verlisernenfo. Inside Page each insertion75 cents a line. (About eight words to a line.) hngravings may head advertisements at the same rate per line by measurement as the letter press. Adver tisonents

AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. INVENTIONS. NEW BOORS AND PUBLICATIONS., scientific american, 1885-09-11

INTERNATIONAL CONGRESS OF RAILWAYS AT PARIS. pinion system begins and the oar is pushed up the REGISTRATION OF UNITED STATES PATENTS AND TRADE MARKS IN CUBA. 1900. LETTERS FROM PEARY. FAILURE OF THE DISPLAY OF LEONID& SUGAR INVENTIONS WANTED.

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. Agricultural. Mechanical. Miscellaneous. BUILDING EDITION. MARCH NUMBER, scientific american, 1889-03-11

Improved Horoscope. A Costly Sword. EBLE'S HOROSCOPE. Report of the Commissioner of Patents., scientific american, 1864-05-07

NEW BOOKS AND PUBLICATIONS., scientific american, 1880-06-26

EIENRY CAREY BAIRD & CO. 810 Walnut St. Philadelphia Pa. U.S.A. „ c E I I 1 Grasp this Opportunity to Rise LEARN BY MAIL. Tele- ' - n in g Schools Pa. \\' '''- .' Electrical Telephone h Civil and Mining eer ng; S op and Foundry Prac Dee; Mechanical

A Suggestion about Color Blindness., scientific american, 1884-05-17

scientific american, 1870-05-28

The Vienna Exhibition. ASTRONOMICAL NOTES. The Great Pumping Engine in Chicago. Chinese Arithmetic. sAction of the Brain., scientific american, 1872-12-07

Automobile Note, scientific american, 1904-10-29

The George Place Machinery Agency What 25 cents Will Buy ! EUREKA SAFETY POWER! CELEBRATED FOOT LATHES. SAVE OIL. USE TOMLINSON'S Pond's Tools OF PATENTS AT AUCTION Machine Co. Iron-Working Machinery N. F. BURNHAM'S 1874 WATER WHEEL N. Y. STENCIL

Vol. LXX No. 3. $3.00 A YEAR. WEEKLY. LANTERN WITH OPTICAL BENCH—SHOWING POLARISCOPE., scientific american, 1894-01-20

scientific american, 1881-12-11

P tiEs Tool Veeder Counters THE PRUDENTIA HAS THE STRENGTH OF GIBRALTAR The Prudential THE PRUDENTIAL INSURANCE COMPANY OF ArIERICA. MACHINES FOR ROLLING SCREW THREADS. BLAKE & JOHNSON P. 0. Box 7. Waterbury Conn. WOLVERINE SELF STARTING AND

glass of Vence M. PelOnze proposes for it the name of Chrome Ananturine. large scale and to use it as a warning buoy on shoals etc. He proposes to float by means of cork the connecting wire to be made to strike a bell in the usual way. He speaks of

THE IVES SYSTEM OF COLOR PHOTOGRAPHY. SECTIONAL PLAN OF TRI-COLOR CAMERA. THE KROMSKOP TRI-COLOR VIEW CAMERA. THE MINIATURE KROMSKOP. THE KROMSKOP AN INSTRUMENT FOR VIEWING PHOTOGRAPHS IN THE COLORS OF NATURE., scientific american, 1900-05-05

A n Improved Glue Dressing for 'Wounds. NOVEL ROAD ENGINE. International Exhibition of E lee trinity. IMPROVED HINGE. MORGAN'S IMPROVED HINGE. New Process of Peeling Peaches. RECENT INVENTIONS., scientific american, 1881-01-01

APRIL 18 1896 Address 50th Street and Lancaster Avenue PHILADELPHIA U. S. A. PENNSYLVANIA IRON WORKS COMPANY 'GLOBE' GAS GASOLINE ENGINES for Stationary and WHAT'S IN A NAME?_. WHITMAN SADDLE CO. 8 Chambers St. New York THE N EiTH NOR PRIESTMAN &

THE SANDY HOOK MORTAR BATTERIES. at that point marked X in the plan. He can see The Current Supplement. toward the manufacture of the famous Venetian mirrors. Science Notes. peraturee. DIAGRAM OF MORTAR BATTERY No. lA SANDY HOOK N. J., scientific

OCTOBER 1 1870.1 IMPORTANT PATENT OFFICE DECISIONS. BUSSELL'S DISK CULTIVATOR AND HARROW., scientific american, 1870-10-01

THE SUPPOSED DANGERS OF ELECTRIC TRACTION. TWO HUNDRED THOUSAND DOLLARS IN PRIZES FOR AIRSHIPS. VERDICT IN NEW YORK CENTRAL TUNNEL WRECK INQUEST., scientific american, 1902-02-01

NEW BOOKS AND PUBLICATIONS INDEX 'OF INVENT IONS Lettere Patent of the United States were Granted in the Week Ending May 4 1880 AND EACH BEARING THAT DATE., scientific american, 1880-06-05

THE JAGUARS. The Manufacture of Lubricating Oils. Brave Boys. FEMALE JAGUAR WITH HER YOUNG., scientific american, 1876-01-15

sios The Electric Faro Box.--The Greatest Gambling Invention of the Age. 4 1. A Concrete from Gas Lime., scientific american, 1870-06-18

scientific american, 1904-10-15

THE CAMERA WITH ITS THREE LENSES AND SOCKET IX FRONT FOR A COMMON CONDENSE&TRANSPARENCY SHOWING THE THREE IMAGES FOR PROJECTION THROUGH THE THREE COLOR SCREENS., scientific american, -1909-05-15

MARCH 2 1872.1 1 8 7 2. MUNN & C 37 Park Row New York city. Back Page. 91'00 a lin Inside Page . . 75 cents a line GENEVA NURSERY ceneva N. Y. ROPER HOT AIR Given Awa PATENTEES Prince's Metallic Paint TECHNICAL GUIDE Manufacturer of Mechanics'

DECISIONS RELATING TO PATENTS AND TRADE Supreme Court of the United States. Supreme Court—State of New York. The International Congress of Photographers at Paris. The New York Fire Department. of Damascus places it at 150000. A Flowing Well in

Gitoice ilotigag Books The Deadly Faucet The Berkefeld Filter Standard Model ZEPHYR MAGNESIA PLASTIC COVERING. NICKEL 1 3 0 WORTH ST. NEW YORK PATTERN AND MODEL MAKERS. FRICTION CLUTCHES INVENTIONS PERFECTED. & EXPERIMENTAL WORK. We Want JUST

ROOTS' ROTARY HAND BLOWER. FOR ALL KINDS OF BLACKSMITHING. DOES MORE AND BETTER WORK SAVES BOOM LABOR AND COAL AND LASTS TEN TIMES LONGER THAN BELLOWS. P. H. & F. M. ROOTS Manuf'rs CONNERSVILLE IND. S. S. TOWNSEND Gen'l Ag't 31 Liberty St. NEW YORK.

EXTERIOR VIEW OF THE GI IBITION BUILDING. Machine for Employing the Water-Power of Rivers. Electro-Magnetic Fire Alarm. Improvement in Carriage Springs. Improved Pump. Machine for Printing 0 Cloth. Gold Hunters. Fire Annihilator. Patents. Tanning

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. HANCOCK'S LATH-SAWING MACHINE., scientific american, 1859-04-23

Hatched by a Cat.Infectious and Parasitic Pneumonia. is Heat Consumed in a Blast Furnace. Measuring Heights of Trees., scientific american, 85-09-12

STREET PIANO INDUSTRY. O. THE STREET PIANO INDUSTRY., scientific american, 1894-11-10

scientific american, 1861-11-23

Important Items. Terms of Advertising. ORS. RARE CHANCE FOR SPECULATORS IN RAZEE'S PATENT PORTABLE UPRIGHT IMAGE'S PATENT PERPETUAL LIME KILN ARREL AND:KEG HEAD TURNING AND 'TAIL'S CELEBRATED PORTABLE STEAM, scientific american, 56-08-02

winding Waterbury; all styles and cases; jeweled works. RECENTLY PUBLISHED. 301 Broadway New York. SEND F RCULAR. IT dab CONVIN10E YOU OF OUR ABIILITY TO SUPPLY NY N.Y. PATENT JACKET KETTLES 125 MILK ST. BOSTON MASS. ELECTRO VAPOR ENGINE. GAS OR

THE EGYPTIAN PAPYRUS PAST AND PRESENT. The German Naval Estimates for 1905. THE EGYPTIAN PAPYRUS PAST AND PRESENT., scientific american, 1904-12-11

Designs. NEW BOOKS ETC. INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending AUGUST 7 ino AND EACH BEARING THAT DATE., scientific american, 1900-08-18

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES., scientific american, 1893-07-01

MUNN & CO. VALUABLE WORK FOR INVENTORS PATENTEES AND MANUFACTURERS., scientific american, 64-07-09

THE HEAVENS IN AUGUST. Scientific American 63 THE ORIGINAL BELDEN GASOLINE AUTOMOBILE AND ITS BEARING ON THE PATENT LITIGATION. NIGHT SKY: JULY & AUGUST, 1906-07-28

SCIENTIFIC AMERICAN MUNN & CO. - Editors and Proprietors No. 361 Broa.dwa.y New York VOLCANIC ACTIVITY AND RADIUM. THE CAPTURE OF A LIVE OKAPI. A NEW BLOWPIPE WELDING PROCESS. THE VAGARIES OF WELLS. NERVE IMPULSES AND THEIR PROPAGATION., 1906-07-07

AN IMPROVED ENGINE GOVERNOR. Sensations of Drowning. seemed of my prosy career passed slowly in review The Useful Arts. and nature of the civilization of the race. Artesian Wells in Dakota. WATSON'S STEAM ENGINE GOVERNOR., scientific american,

The Poultry Industry in China. The Pullman Strike. The Great Sea Mammals. Phosphorescence., scientific american, 1894-07-28

THE SCIENTIFIC AMERICAN. 165 Is THY SUN GROWING COLD AND DARIO—There, 60-09-08

INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending February 4 1879, scientific american, 79-03-15

SEND FOR CIRCULAR. 01' THE The Most Popular Scientific Paper in the World. VOLUME XL—NEW SERIES. Only 83.20 a Year incl n di ng Postage. Weekly. STRUCTURAL IRON. Moss'Process. L. SMITH HOBART President. JOHN C. MOSS Superintendent. TYPE-METAL

List of Aviation Prizes Offered Abroad. A PHYSICIAN'S NOVEL USE OF AN AUTOMOBILE ACETYLENE LIGHT. MM. DELAGRANGE AND FARMAN ON THE FORMER'S No. 2 AEROPLANE WHICH IS THE FIRST MACHINE TO RISE IN THE AIR WHEN CARRYING TWO AVIATORS. A DOCTONS NOVEL USE

HINTS TO THE YOUNG STEAM FITTER. ARRANGEMENT OF PIPES FOR DRYING BY STEAM., scientific american, 1880-10-23

Railways and Their Accessories. Pertaining to Recreation. Pertaining to Vehicles. Designs. Business and Personal Wants. sary to give the number of the inquiry. NOTICE. and Queries., scientific american, 1906-01-20

SOME MODIFICATIONS OF THE MICROPHONE AND TELEPHONE. The French Dam below Pittsburg Ohio. MICROPHONE WITH GRAPHITE RODS. MICROPHONE WITHOUT CARBON., scientific american, 1878-11-16

A New System of Medical Treatment. Penny-in-the-Slot Gas Meter. Photographing the Moon at Lick Observatory. RECENTLY PATENTED INVENTIONS. Railway Appliances. Electrical. Agricultural. Miscellaneous., scientific american, 1894-10-11

A TOY CART. POLLARD'S TOY CART. AN OSCILLATING DEVICE FOR VEHICLES. Culture of Plants Under Colored Glass. Evolution of the Match. Ants as Bridge Builders. Compressed Air Bevices. CRANE'S OSCILLATING DEVICE FOR VEHICLES., scientific american,

ANOTHER MAMMOTH LOCOMOTIVE. SKETCH ILLUSTRATING TRACTIVE POWER OF THE PITTSBURG LOCOMOTIVE. WEI BOILER FOR 8-TON PITTSBURG CONSOLIDATION LOCOMOTIVE., scientific american, 1898-12-03

'DEFIANCE' Inside Page each insertion75 cents a line. Back Page each insertion— - 91.00 a line. PRICIM 01.00. PRACTICAL HINTS TO INVENTORS. PATENTS CAVEATS ORNAMENTAL DESIGNS Spoke Shaves No.10. TRADE NARKS LABELS COPYRIGHTS. ATE NTS THE WEALTH OF

The Scient. Cause of Some Blasting Accidents. 2 64 THE EARLY HISTORY OF WHEELED VEHICLES AND RAILWAYS. Buying a Horse. Improved Steam Trap. Improved Fence. Improved Water and Gas Meter., scientific american, 1874-10-24

The Coffer Dam and Commencement of the Permanent Work.' CIENTIFIC MERICAN The Dam Nearing Completion. A NORTE CAROLINA POWER DAN [See page 6.], scientific american, 1908-01-04

Petrified Forest Protection. 'core wee Coilevel oaf. lerel .3 tri 11 6Ses-liort. Old 6vtal Fig 4PROFILE OF TIM OLD CANAL., scientific american, 1898-03-05

RECENTLY PATENTED INVENTIONS. Apparatus for Special Purposes. Electrical Devices. Of Interest to Farmers. Of General Interest. Heating and Lighting. Household Utilities. Machines and Mechanical Devices. Hardware., scientific american, 1904-11-12

Steam Engines MODERN STEAM ENGINES OTHER BOORS BY THE SAME AUTHOR. HENRY CAREY BAIRD & CO. 810 Walnut St. Philadelphia Pa. U. S. A. GUILD & GARRISON Iltnithaenton ydraulic MADE WITH BOILINC WATER. EPPS'S CRATEFUL-COMFORTINC COCOA MADE WITH BOILINC

THE RETSOF SALT NINES AT GREIGSVILLE N. Y. BY S. L. SHELDON. A DIAGRAM OF THE INTERIOR OF THE NINE. Persons contemplating building will find it to their advantage to subscribe for the Archi tects and Builders Edition of the 'Scientific American.'

Large Chimneys. Healthy vs. Injurious Brain Work. Food and Treatment in Fevers. Running for Trains., scientific american, 1884-04-05

THE SNAPPING TURTLE. BY C. FEW ENS. Although the ' snapper' or snapping turtle is a well known reptile its life history owing to its secluded habits is as a general rule but little understood. It has a long geographical range being found from Canada

Improved Brick Machine. HOMOGENEOUSNESS OF STEELTIRES AXLES AND RAILS., scientific american, 1866-10-27

ANNUAL OF SCIENTIFIC DISCOVERY. BROUGHTON'S GRADUATING LUBRICATOR FOR STEAM ENGINES. New Silk Factory., scientific american, 1865-09-02

THE REVIVAL OFIMERICAN COMMERCE. BENJAMIN PEIRCE. FIREPROOF FERRYBOATS. independent of competition and therefore it is difficult t DESIGNS PRODUCED BY CRYSTALLIZATION. Jacob Boll., scientific american, 1880-10-23

scientific american, 1898-10-08

imagine that the machine you QAMUEL MeELROY CIVIL ENGINEER QECOND-HAND MACHINISTS' TOOLS UNGRAVING ON WOOD AND MECHANI WOODWORTH PLANING MACHINES INDUSTRIAL MUSEUM—CONTRIBUTIONS, scientific american, 1858-07-10

scientific american, 1865-11-04

Sneering; Allusion to the Steam Bureau. The Mines of Montana. Better Machinery Needed. sup Thatpartanee of Good Material in Agricultural Machines. Hour to Harden Gast iron. Promoting Fruitfulness of Trees., scientific american, 1867-08-31

THE EDISON SYSTEM OF RAILWAY TELEORAPHY. 8 THE EDISON SYSTEM OF RAILWAY TELEGRAPHY., scientific american, 1886-02-20

scientific american, 1867-04-06

NOVEMBER 24 1883 Saving Life on Land and at Sea. The Mechanism of the Vertical Attitude. Method of Exhausting Drugs., scientific american, 1883-11-24

Good Words. Substitute for Wrought Iron and Steel.The New Manganese Bronze., scientific american, 1876-06-03

54 The Cattle Business in Texas., scientific american, 1872-07-27

Rejected Applications. Testimonials. The Examination of Inventions. Preliminary Examinations at the Patent Office. Caveats. Foreign Patents. Assignments of Patents. Extension of Patents. Sur tifeacbtung fur beuffcbe grfinber., scientific american,

2. rah ;, scientific american, 1906-12-11

GraphitePlumbaso. 4 Patent Dredging Machine. -4 CHEMICAL PREPARATION FOR PRESERVING BUTTER AND MEATS WM. COMPOSITION FOR COATING AND LINING OIL BARRELS AND SIMILAR YES-, scientific american, 1867-01-19

164 MARCH 5 1870. Inventions Patented in England by Americans. APPLICATIONS FOR EXTENSION OF PATENTS. NEW BOOKS AND PUBLICATIONS. Back Page. $1'00 a line. Inside Page 75 cents a line. THE AMERICAN FAMILY American Knitting Machine Company Merchant and

Photography of the Electric Spark., scientific american, 1875-05-15

JUBILEE ANNIVERSARY OF THE AMERICAN SCIENCE, scientific american, 1898-04-16

A New Race of People in Russia. Singular Freak of a Sheep Dog. The Plants Found on the Mummies Near Thebes. A Threatening Pest. KEOHANIOAL INVENTIONS. Paper Negatives. Curious Effect of Water on Glass., scientific american, 1882-04-22

Does Anybody Live a Hundred Years? Bicarbonate of Soda for Carbonic Acid Gas. Fluorine. The Red Scale. Vises for Old Paper., scientific american, 1890-05-31

citutific litttif4. AIM Newspaper Advertising. 50 CENTS TO $5 E. C. A GLEN & Co. Augusta Maine. Milling Machines IMPORTANT BY Dr. L. FEUCHTWANGER PARKER PARKER BROS. Vertical Horizontal & Incline Engines. Handren & Ripley New York. No SENT ON

SUBMARINE WARFARE., scientific american, 1864-02-06

100-Horse power. per Minute. Best Pumps in the World pass Mud Sand Gravel Coal Grain etc. with. out injury. Send for Circulars. WATERWHEEL WOODWORTH PLANERS Turbine Water Wheels. Machinery. G. E. ILLINGWORTH NEVILLE ST. FOUNDRY LEEDS ENG.

scientific american, 64-12-03

THE VELOCITY OF STEAM AND AIR UNDER PRESSURE. PROSPERITY OF THE COTTON MANUFACTURE. scientific american, 1862-11-15

.054.00 per day CAMERA-SCOPE For Everybody MARSTON'S Patent Hand Foot & Power Circular & Band Saws Send for Catalogue J. M. MARSTON & CO. Bliss Electrical School 20 Takoma Ave. Washington. D. C. Concrete Reinforced Concrete Concrete Building Blocks

RECENT INVENTIONS. Adjustable Bracket. Combined Saw Set and Gummer. Improvement in Plows. Bushing and Ferrule for Winding Shells. Balance Spring Holder for Watches. 4. A Breath of Fire. Insulating Materials. mb .1 II The Ether Spray an Immediate Cure

Figure 4. Figure 5. BROWN'S PREMIUM WINDOW SASH BALANCE. Figure 1. Figure 2., scientific american, 1851-07-05

THE ADVOCATEOF INDUSTRY AND ENTERPRISE AND JOURNAL OF MEC HANIC A.L AND OTHER IMPROVEMENTS.APPARATUS FOR KYANIZING TIMBER. ir JOIm SUN BUILDINGS Mrs. Tott. The Toper's March. Glossary of Mechanical Terms:, scientific american, 1846-04-23

GarresponDence. Gases as Germicides and Disinfectants. Some of the Uses of Shells. Shells were largely used by the American Indians for invention of the Electro-magnetic Telegraph. the father of the eleetro-magnetie telegraph., scientific american,

MARKS ETC. English Patents Issued io Americans. COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Granted in the Week Ending AND EACH BEARING THAT DATE. Newspapers. WANTED I FLETCRIIER'S GAS FURNACE ALLEN'S ARTIFICER'S ASSISTANT. THE FLOW OF METALS. BY

90 92 & 01 Grand st. New York. MILLSTONES Bolting Cloth Mill Ma chinery. BRASS AND COPPER WIRE German Silver etc. S. N. BROWN & C Dayton Ohio. 1 ountains Vases Verandas Settees WIRE WORK. 10 OIL OIL OIL. PEASE'S IMPROVED OILS! . JOURNAL ELEMENTS OF

SCIENTIFIC AMERICAN SUPPLEMENT STEAMER. A Remarkable Meteor, 1893-04-15

Is there a Hole through Mercury 5—Are all the Planets Rings'? New Mechanical Inventions. Olive Oil Soap. The Use of the Agricultural Department. Our Steam Street Hallways. American Stamping Mill for Peru., scientific american, 1878-06-22

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