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402 A Single Track Railroad. 4 II A New Rural Swindle. 0 41) Cleansing Wool. Musical Sand. 4 b JANSS EN'S SOLAR PHOTOGRAPHIC APPARATUSFig. 1. JANSSEN'S SOLAR PHOTOGRAPHIC APPARATUS., scientific american, 1876-12-23

Gas Engine ('o. Springfield 0. The Olds Gasoline Engine Olds Motor Works Box418 Detroit Mich. GAS and GASOLINE ENGINES. PERFORATORS OF ALL METALS ., scientific american, 1900-05-12

TO CORRESPONDENTS. Back Numbers and Volumes. Patent Claims. Patent Laws and Guide to Inventors. AD Terms of Advertising. American and Foreign Patent Agency TMPORTANT TO SOAP MAKERS—Letters IATOOD'S IMPROVED SHINGLE MACHINE ▪ EONARD'S MACHINERY

with its advertised good qualities as does the New American Lever Watch. It has the advantage of being made of that precious metal Aluminum Gold; its works are ofthe best make and the general style of the case rank it with the best Watches made

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XXXVIINo. 4. THE MANUFACTURE OF SHOT. THE MANUFACTURE OF SHOT. POURING THE MELTED LEAD, scientific american, 1877-07-28

Improved Padlock Professor Chandler on the :Purity of Croton Water. ADAMS' IMPROVED PADLOCK. Corrosion of Iron Gas and Water Mains. THE MANTIS. THE WALKING LEAF-INSECT., scientific american, 1870-10-22

338 0, scientific american, 1900-06-02

210 SCIENTIFIC AMERICAN. Celestial Phenomenon. Black Walnut. In the wrong Box. A Singular Case. A Cotton Gin for Russia Progress of Romanisra. Enterprise of Troy. Concert. Education in America. To Wine Bibbers. New Use for the Telegraph. Improved

Vol. LXXXIINo. I. ESTABLISHED 1845. j Rounding Up Buffaloes. Alligator Pool and Jungle. Plying Cage and Duoks' Aviary., scientific american, 1900-01-06

Simple Device for Printing Pictures. To Light a Dark Doom., scientific american, 1867-01-26

ARCHITECTURE MASONRY BOTANY—in short it embraces the entirerangeof the Arts and Sciences. any other weekly journal in the country viz. an pressly for its columns at the Patent Office—thus Trarms—$2 a-year ; $1 for six months. All Letters must

TO INVENTORS INDEX OF INVENTIONS For which Letters Patent of the United States were Granted November 10 1896 AND EACH BEARING THAT DATE., scientific american, 1896-11-28

FEBRUARY NUMBER. -(No. 64.) INDEX OF INVENTIONS For which Letters Patent of the United States were Granted February 3 1891., scientific american, 1891-02-14

MATERIAL REMOVED. THE BATTERY CAISSON. THE CAISSON WAS TOWED DOWN BEEN RISING THE FIRST COURSE OF STONE PREPARATIONS OF SITE., scientific american, 1870-07-02

of the exhaust until the two become coincident ; than the exhaust is closed and the engine has made one revolution the crank pin being again on the dead center and the mark T at the thick line from which positions they respectively started.,

1$1200 Adjustable Planes. OVER 0500 PLANES SOLD IN 1870. PRICES REDUCED JANUARY 1 1871. STANLEY RULE AND LEVEL CO. STEAM DRILLS. Water Wheels. THE Porter's Governor The Allen Boiler and Standard Straight Edges Surf ace Plates and Angle Plates.

WINBY'S EXPRESS LOCOMOTIVE AT THE COLUMBIAN EXPOSITION. Terms of Water Measurement for Mining Irrigation and Mill Power. Foul Water Main. Tin from Tin Scrap., scientific american, 1893-05-27

Infinite Variety Mullins Art Architectural Sheet Metal Work and Statuary Salem Ohio. $40 MOTORCYCLE notors and Castings for Air Ships 'MOTOR OF MERIT' 248 14H.P. The World's Best Marksmen The gunners of the U.S. the U. S. Army must have Ever since

Editors and Proprietors Published Weekly at No. 361 Broadway New York THE ISTHMIAN CANAL—HISTORICAL.THE CANAL FROM THE ENGINEERING STANDPOINT. THE CANAL FROM THE STANDPOINT OF COMMON SENSE. THE-NEW YORK CENTRAL TUNNEL TRAGEDY., scientific

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted September 3 HEM, scientific american, 1889-09-21

A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Improved Aerial Governor. POMEROY'S AERIAL GOVERNOR. Concerning Portable Engines., scientific american, 1864-01-09

Panoramic view of Gary Steel Plant. Scientific American, 1909-12-11

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. Mechanical. Agricultural. NEW BOOKS AND PUBLICATIONS. Miscellaneous., scientific american, 1889-07-11

THE MANUFACTURE OF OIL-CLOTH. -[See page 362.1, scientific american, 1901-12-07

CIENTIFIC MERICAN, scientific american, 1904-05-07

HATHAWAY'S COMBINATION AUGER., scientific american, 1862-01-18

HELICOID SHANK WOOD SCREWS. RUSSELL & ERWIN MEG. COMPANY New Britain: Conn. U. S. A. POLISHING WHEELS AMBRICA2!n. This Company owns the Letters Patent fringes the right secured to this Company IN THE OPEN. — all outside is smiling welcome — —

Condensed Information Concerning Some of the More Valuable Insecticides. Furniture Polishes ID 4415 How Granite Columns are Turned., scientific american, 1891-06-20

I_ATHEs WILLIAMSVivciti Di YOUR DEALER DOES PIOT SVP.IPLY YOU. a.A.W FABER 78 Reade Street.- New York N. Y. SAVE YOUR FUEL es ARE YOU A TOP EDUCATIONIIBY MAIL PIPE VISES RENEWABLE STEEL JAWS. 126 TO 136 FEDERAL STREET BOSTON MASS. THE HOMEMADE

THE OPHTHALBIO-DIAPHANOSCOPE. THE OPHTHALBIO-DIAPHANOSCOPE. and Pendulum and indicator dial. TESTING BITUMENS FOR PAVEMENTS., scientific american, -1909-11-11

scientific american, 1898-07-30

scientific american, 1868-01-04

Vol. XXIX.--No. 9.1 [NEW SERIES. J NEW YORK AUGUST 30 1873. THE PITIMMIETER. HALL'S PIJESOMETER OR STEAM PUMPFig. 1., scientific american, 1873-08-30

SOME TREES AND FORESTS OF CALIFORNIA. LESS TELEGRAPHY. THE CREEPING OAK NEAR MONTEREY CAL. COVERING 12500 FEET OF GROUND. THE MARCONI SCHOOL OF WIRELESS TELEGRAPHY AT FRINTON. ON-SEA ESSEX ENGLAND. INSTRUMENT ROOM—MARCONI% SCHOOL OF WIRELESS

Modern Aerial Navigation. Rock Elm. Agriculture—Flax and Hemp. Electrical Supplies., scientific american, 1892-06-11

P.O. Box 633. South Norwalk Conn. DO YOUR OWN PRINTING H. HOOTER Phila. Pa PATENTS. RUPTURE TELEPHONE HANSON &. VAN WINKLE PECK'S PATENT INVISIBLE EAR DRUMS DESIGNS. emithnight's 3ASTHIVIARE1YIEDY The Only Sure Remedy for ASTHMA LOUIS SMITHNIGHTChe

scientific american, 1862-05-31

MARCH 22 1873. MUNN & CO. EdAors and Proprietors. NO. 3.7 PARK ROW. NEW YORK. 30, scientific american, 1873-03-22

A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. X1INo. 12. (NEW SERIES.) ) NEW YORK MARCH 18 1865. 83 PER ANNUM (IN ADVANCE.) Improved Turbine. A New French Steamer. GALLAGHER'S TURBINE. tilated.,

Double expansive Single-Cylinder Steam Engine. Exodus of Mechanics. Mow to make Ice Cream. ALLEN'S DOUBLE EXPANSION ENGINE., scientific american, 64-08-13

Some Results of New Inventions. A Versatile Gunboat. The Highest Electric Central Station. THE SNOW PLANT OF THE SIERRAS. A Simple Process for Coloring Photos. Fractional Currency Scrip. A Large Glove Industry. THE SNOW PLANT OF THE SIERRAS.

A New Form of Flying Machine. The Universal Jointed Propeller. Burning Chimneys. BLACKFORD'S FLYING MACHINE. Steam Boiler Explosions. Brass vs. Phosphor Bronze for Rolling Mill Uses., scientific american, 1875-02-13

THE NOVEMBER METEORS. CHARLES DESNOS. Importance of Cleaning Machinery. Tile Fish. The Sleeping Car Interests. Coal Product of Illinois., scientific american, 1882-11-11

A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. FOSDICK AND CRAWFORD'S CLOVER THRASHER AND HULLER, scientific american, 1863-04-18

AN IMPROVED THILL COUPLING. McMILLAN & HILL'S THILL COUPLING. AN IMPROVED VENTILATOR. THE HENRY VENTILATOR. THE R1TDGE BICYCLETTE. 40 41, scientific american, 1887-06-25

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted alarm., scientific american, 1897-01-09

Surface. PATENTS. tents etc. Beaver Falls Pa. TEAMERItiall:ILM018 GO. 95 MILleST. BOSTON MASS phones Pneumatic telegraphs cable. Railway tele ABILESTIM STEAM PACKING - Building Felt Liquid Paints Etc. RECENTLY PUBLISHED. 361 Broadway New York.

Dean's Steam Pumps for all purposes ; En-, scientific american, 1874-06-11

Co. Dept. 22 C waking wasblaw pending Fogad. .48 Buena lemons (awl ell.i siesta guallaw without making threarug manor OW Tina Musk state bra gads hobbits blew AN Mao wady us ablp. jpErmorr CNOEwomcs MEASURINC BAR CLAMPSTELEGRAPHY TAUGHT 39R Cortholdt

against the nut. The device comprises a fixed member ing and upon which rests the inclined inner surface of an annular locking cam adapted to rotate and ride up the cially designed for use with machines for making wide, scientific american,

MUNN & COMPANY, scientific american, 1864-06-18

THE SCIENTIFIC AMERICAN. 333, 1859-11-19

LS CENTS A COPY. Vol. LXXXIVNo. I., scientific american, 1901-01-05

scientific american, 1867-07-13

RECENTLY PATENTED INVENTIONS. Apparatus for Special Purposes. COMBINED HOISTING AND DUMPING Electrical Apparatus. Engineering Improvements. Harness Accessories. Heating and Lighting Apparatus. Household Utilities Machines and Mechanical Devices. Of

World's Production of Coal in 1901. Electrical Notes Wireless Telegraph y for Yachtsmen. Reconstruction of the '‘ Philadelphia.”, scientific american, 1902-10-25

Abstract from an address delivered at the Fair of the American Insti tute by A. W. Humphreys President of the Sterling Iron and Railway Company. PROGRESS OF THE MANUFACTURE IN ENGLAND. THE USE OF HEATED AIR. THE USE OF ANTHRACITE COAL., scientific

WHAT A CONTRAST. Trial of the United States Chemical Fire Engine. LETTERS FROM THE SOUTH ETC.VB. Immigration. Fair of the Central Agricultural and Mechanical Association Selma Alabama. Trial of the Aveling & Porter Steam Road Roller at Orange N. J. 4

IMPROVED LOCOMOTIVE STEAM CRANE. No Right to Tax Patent Rights. Natural Gas and 0 Fuel. IMPROVED LOCOMOTIVE STEAM CRANE. A Plant-feeding Ladybird., scientific american, 1892-05-21

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. Mining Etc. Mechanical. Miscellaneous. NEW BOOKS AND PUBLICATIONS., scientific american, 1897-02-11

CATALOGUE OF SOME OF THE VALUABLE PAPERS CONTAINED IN THE SCIENTIFIC AMERICAN SUPPLEMENT. 445 Medicine Hygiene Surgery Etc. Evolution and Science Th: ries Education Exhibitions Ea., 1881-12-31

so ashore if they had any such liberty they must have attracted some attention speaking all languages as the men d and the natives no doubt got some cu rious notions of Yankee men-o'war's men. money in the life ; though there is good reason for the

A SIMPLE WRENCH OF NOVEL FORM. DIVING FOR ZOOLOGICAL SPECIMENS. back of each dorsal fin—and is known as the Port THE COLEMAN WRENCH. Petroleum-Fired Locomotives on Russian Railroads. The Current Supplement. THE CATALIN A AQUARIUM DIVER 'SWINGING

THE SECRETS OF OUR SUCCESS IN THE STEEL TRADE., scientific american, 1899-12-09

GUN COTTON AT THE U. B. TORPEDO STATION NEWPORT R. I. on the gun cotton appear as Sunken characters in the solid iron. In other words exactly the reverse effect is produced of that which would be anticipated. TESTS OF QUALITY OF IRON AND STEEL.

fk TILE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENT. VERDICT OF TEE POOR. the remainder in 6 months. SCIENTIFIC AMERICAN: Turn about's Fair Play. Traits of the Rodmen. Novel Sport. Flattery. LIST OF PATENTS

THE PITCHES OF SCREW THREADS. MUNN du COMPANY Editors & Proprietors. Contents : . GRUMBLERS. TEM. The Hecker & Waterman Experiments., scientific american, 1864-06-25

Value of Photography in Scientific Research. A New Hurricane Signal. A CHINESE MODE OF PUNISHMENT. AN ELECTRIC BURGLAR ALARM FOR SAFES. THE OILSTRAP BURGLAR ALARM FOR SAFES. The Arboretum. Eating Ice., scientific american, 1894-12-22

An Example for Builders. Locomotive for Ascending Inclined Planes Controversy. . try to Philadelphia: Advice about Caveats. Walls of Buildings. . % an, scientific american, 1850-05-18

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME O. NEW-YORK MAY 10 1851. [NUMBER 34. ANDERSON'S REVOLVING STEAM BOILER. Scientific American MM1 1 1%, 1851-05-10

We pay Agents from pocket Corn Sheller. ONE AGENT WANTED in every county Corn Sheller patented Jan. 25 and July 26.1870. It shells 'ill sizes of Corn can be used by any one at first sight is mesa All .est se deal in all first-class machinists' tool

THE BOILING LAKE OF DOMINICA. IMPROVED CLAM BAKER. Charles Frederick Hartt. To Exterminate the Red Ant. THE BOILING LAKE OF DOMINICA WEST INDIES., scientific american, 1878-05-04

scientific american, 1862-10-25

THE ST. CLAIR TUNNEL DRAINAGE SYSTEM. I Oil Fires. Printers Holler Composition. A Word to Mail Subscribers. lgorreoponDence. Pure Coal in Oregon. Ring Magnets., scientific american, 1891-12-12

Cameron Steam Pump. MACHINERY THE sTANDARD mAKESAPERFECTJOINT Jarvis Furnace Co. MACHINISTS' TOOLS. NEW HAVEN MANUFACTURING CO. New Haven Conn. WOOD-WORKINGRICHINERY Dr. Peck's Artificial Ear Drums PERFECTLY RESTORE THE HEARING PATENT QUICK

$8.00 a year American riomes and Gardens 3.00 ' Scientific American Export Edition (established 18).8.00 ' ing Canada will be furnished upon application. Remit by postal or express money order or by bang draft or check. The Editor is always glad to

7forIMIIM 1 ! Founded by Mathew Carey 1785. BAIRD'S NUT TAPPING DURRELL'S PATENT. SPEAKING TELEPHONES. BENTEL MARCEDANT & CO. SKILLED ENGINEERS ARE EN WATCHMAKERS. BARREL KEG $66 SIBLEY COLLEGE OF MECHANIC ARTS OPIUM RUPTURE mc. . CAVEATS COPYRIGHTS

Casting Car Wheels-oanvention Wanted Ozone and Cholera. Blowing Out Boilers. Screw Cutting. IlIr. Winans on Incrustations. A Petroleum Engine. Creosote for Preserving Timber., scientific american, 1866-02-03

PROTECTION OF BUILDINGS AGAINST FIRES. HOW TO TEST THE PURITY OF WATER. WAGNER'S IMPROVED DINNER PAIL., scientific american, 1868-06-20

Corns in Horses., scientific american, 1873-05-24

CAUTION. PERMANENCE OF ANIMAL TYPES. TRIAL TRIP OF THE STEAM RAM ' RUNDERBERG., scientific american, 67-03-16

scientific american, 1867-06-11

The Petroleum Industry. Simple Intensifier for Gelatine Negatives. REMOVAL. Contents., scientific american, 1884-06-07

Vegetable Silks. Influence of Decortication upon the Mechanical Properties of Wood. Xylolith or Wood Stone. could be detected nor was there any other appar ent alteration and the liquids used for treating the Test for Wintergreen Oil. Soap Suds for

The Origin of the Menhaden Industry. The Assimilation of Fat. The Position and Movements of the Stomach. Foul Air in School Rooms. The Geoduck. BY JOHN A. RYDER. Magnetic Bricks., scientific american, 1882-04-29

THE QUEENSBORO AND MANHATTAN BRIDGES ACROSS THE EAST RIVER. Pair of cables with suspenders in place. BUILDING THE MANHATTAN BRIDGE OVER THE EAST RIVER., scientific american, -1909-04-10

Model of a water organ found at Carthage. Reproduction of the Roman Hydraulus. Scientific American, 1904-11-19

scientific american, 1867-01-19

HUNT'S ' HOOSIER ' FEED-CUTTER POWER FROM BELTING., scientific american, 1864-02-13

THE GUNS OF THE BENBOW. BENBOW ON ITS EXPERIMENTAL CARRIAGE, scientific american, 1888-02-25

A New Horseless Carriage Race in France. The Meeting of the American Society of Civil Engineers. Sea Water for London. Automobile Carriages in Paris. Polarization Investigations. New Cavalry Weapon. Progress with the Chicago Drainage Canal. 46.,

THE HEAVENS IN DECEMBER. BY HENRY NORRIS RUSSELL PH.D. BY AUG. RIGHI. PROFESSOR AT THE UNIVERSITY OF BOLOGNA. 339, scientific american, 1900-12-01

French Pigments. Cremation. Smith's Patent Belt Coupling.Marking the Corners of Streets. Cure for Burns. THIRTEENTH YEAR SCIENTIFIC AMERICAN. DOYLE'S PATENT WINNOWER. -e, 1858-07-03

scientific american, 1877-11-17

scientific american, 1902-02-01

Entered at the Post Office of New York N. Y as second Class Matter. CooYright. NM by Munn & Co.) Four-Bridge Coal Frameway for Unloading Anthracite. IS CENTS A COPY. Vol. LXXXNo. 22.1 Six-Masted Coal-Carrying Schooner. Electric Motor and Train—Wine

Adjustable Gate Latch. The 'Philadelphia Photographer.” POWER REQUIRED TO START A TRAIN. Bleaching of Sponges. WILLIAMS'S ADJUSTABLE GATE LATCH. Propelling Boats by driving a Column of Water out Astern. A NOVEL PILL-COUNTING MACHINE. SPECIAL

TRANSVERSE SECTION THROUGH COWPER HOT BLAST STOVE., scientific american, 1897-10-23

Remington Standard Type-Writer FRICTION CLUTCEL Pulleys and Cut-off Couplings. PERFECT NEWSPAPER FILE MTINN & CO. CATALOGUES EREE TO ANY ADDRESS The Egan Company Fall assortment of Perin Saw Blades., scientific american, 1886-03-20

Every mechanic inventor or artisan In the United becribers should not fail to preserve their numbers for binding unable to supply any of the first six numbers of the currept TOMM Therefore all new subscriptions will begin hereafter with the rime the

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