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FEBRUARY 8 1896. World's Shipping in 1895. 7 Japan Torpedo Boat Ericsson. Kilauea Volcano in Eruption. Various Mile Records. Photography and Chronographic Measurements. Diminution of Risks with Electric Lighting. Locomotive Building 1895.,

Scientific %maim. Improvement in Photography. Lloyds. Charleston Cotton Manufacturing Co. Rapid Travelling. East India Antiquities. Interesting Discovery near Pittsburg. Delaware Powder. 347 Scientific MeMoranda. Potatoes. The Elephant and the

Classified Advertisements necessary to give the number of the inquiry. MUNN & CO. BUSINESS OPPORTUNITIES. Inquiry No. 861 I.-Wanted to buy springs for Inquiry No. 8650.-Wanted to buy file cutting PATENTS FOR SALE. Inquiry No. 8667.-Wanted to buy

FROM THE NEW YORK SUN. Photography and its Rights. At Sea on an Ice Floe., scientific american, 94-03-17

in Half Morocco. Post Free. 1901 APPENDIX. IT MAKES MONEY RAPIDLY PHOTOSCOPE K. S. KLINE The Kickdrive Circular Saw 210.212 Canal St. New York. METAL POLISHES.-FORMULAS FOR DURYEA AUTOS DURYEA POWER CO. GOES LIKE SIXTY GILSON GASOLENE ENGINE sions

The Prairie Car. Natural Phenomenon. Population of Canada. A Singular Case. Price of Gas. A Great Comet Expected. London. A Good Charge. Photography. Yankees Abroad. Lucky Escape. A Great Territory. Dreadful Explosion. An Odd Calculation. The Cotton

CURIOUS DISCOVERIES IN REGARD TO THE MANNER OF MAKING FLINT IMPLEMENTb BY THE ABORIGINES AND PREHISTORIC INHABITANTS OF AMERICA. Photography by the Electric Light in a French Court of Justice., scientific american, 1879-07-26

MUNN & COMPANY Editors and Proprietors. Contents I To A dvertisers. NEW RELATIONS OF SILICA. HISTORY AND PROGRESS OF PHOTOGRAPHY. THE USE OF BALLOONS IN WARFARE., scientific american, 1870-10-01

MUNN & CO. Editors and Proprietors. PUBLISHED WEEKLY AT NO. 87 PARK ROW NEW YORK. TERNKS. One copy six months postage Included.1 G Club Mate s the subscriber then receives the paper free of cnarge. Nord. -Persons subscribing will please to give their

The Gold Dollar. 'THE GOLD DOLLAR. Nothing New Under the Sun. PNEUMATIC TIRES. Absorption Photography and X Rays. The Meltzer Projectile. The Healthfulness of Sewage Farm Products. Ground Moles in Sugar Beet Cultivation. The Largest Ship in the

OLD COINS AND STAMPS. New York aria tverywhere ' iillifl National Salesmans Training Association OFFICES : Monadnock Block Chicag III. Scarritt Bldg. Kansas Ciiy Mo. or Classified Advertisements every case it is necessary to give the number BUSINESS

SP)' 01IMPROVEMENT IN STEAM-ENGINES. SCHULTZ'S IMPROVED STEAMENGINE. PHOTOGRAPHY AND LITHOGRAPHY. BABBITT METAL., scientific american, 1859-09-24

TEE YUCCAS. _l.1 The Diamond Drill. The Yarn Congress. A GROUP OF YUCCAS IN BLOSSOM. Deep Mining. The Imitation of Lace on Silk by Photography. DECEMBER 19 1874.1, scientific american, 1874-12-19

Cotton Wool in the Nostrils. INSTRUMENT FOR THE PHOTOGRAPHY OF METEORS FOR THE YALE OBSERVATORY. Return of Dr. Cook's Arctic Party. The Effect of Sulphur in Cast Iron. AN IMPROVED TUBULAR BOILER. ALFONSO'S TUBULAR BOILER. INSTRUMENT FOR THE

Classified Advertisements BUSINESS OPPORTUNITIES. HELP WANTED. AGENTS WANTED. FOR SALE. PATENTS FOR SALE. MOTION PICTURES. AUTO ACCESSORIES. PHOTOGRAPHY.EXPERIMENTAL WORK. SEASICKNESS. NEW YORK STANDARD 'CHRONOGRAPHS' Or STOP-WATCHES 430 LET The

PRACTICAL TESTING OF GAS AND GAS THE NEW INTERNATIONAL YEAR ROOK THE PHOTOGRAPHY OF COLORED OBJECTS. Notes and luerzes, scientific american, -1909-06-26

LOSS OF THE CAMPBELL AIR SHIP RECENT DISCOVERIES IN THE NEBULA BY MEANS OF PHOTOGRAPHY. BY EDWARD S. HOLDEN LL.D. DIRECTOR OP THE LICK OBSERVATORY. CAR OF CAMPBELL'S AIR SHIP. Fig. 1THE ANDROMEDA NEBULA. DRAWN BY L. TROUVELOT (1874)., scientific

The Recent Wet Weather. Useful Recipes for the Shop the Household and the Farm. Photography of Children. PRACTICAL MECHANISM. NUMBER X X X . gorregpondort Death by Strychnin. Weighted Silks., scientific american, 1875-09-04

Harper's. Encyclopedia of United States Valuable .% Books! 4t 4t REVISED and ENLARGED EDITION of 1901 15000 Receipts. 734 Pages. in Half Morocco. Post Free. EXPERIMENTAL SCIENCE. sions including Trick Photography. ard Work on Magic. A Complete

Classified Advertisements SALE AND EXCHANGE. BUSINESS OPPORTUNITIES. HELP WANTED. AGENTS WANTED. TYPEWRITERS. PATENTS FOR SALE FACTORY AND MILL SUPPLIES. FOUNTAIN PENS. PHOTOGRAPHY. BOOKS AND MAGAZINES. GAS-LIGHTING APPLIANCES. MACHINERY FOR SALE.

NOW READY. HENRY CAREY BAIRD & CO. Industrial Publishers. Booksellers and Importers SI 0 Walnut St. Philadelphia Pa U. S. A. xperinierital ciepce 740 Pages. 680 Illustrations. able t 361 Broadway New York. Scientific American Supplement. and valuable

Classified Advertisements necessary to give the number of the inquiry. BUSINESS OPPORTUNITIES. PATENTS FOR SALE. HELP WANTED. AGENTS WANTED. SITUATIONS WANTED. AUTOMOBILES. TYPEWRITERS. REAL ESTATE. PHOTOGRAPHY. LISTS OF MANUFACTURERS., scientific

A PHOTOGRAPH TAKEN WITH THE PINHOLE CAMERA. CASCADES AND COLONNADE OF STATES AT THE EXPOSITION. BY THE ST. TAMS C RRESPONDENT OF TitE SCIENTIFIC AMERICAN. length and the scheme includes fifteen groups of sta A LENSLESS OR PINHOLE CAMERA. hour.

5Crientific Amerinin. SCIENCE IN TOYS. MAGNET AND ROLLING ARMATURE. MAGNETIC TOP. needles while the other pole will draw them together. MAYER'S FLOATING NEEDLES. -41P 4 4 English Hallway Couplings. The Medical Possibilities of Photography. might

ELECTRIC VEHICLES STORAGE BATTERIES. MOTORS. We make a specialty of Delivery Wagons SCOTT AUT0440BILE CO. GET A RUNNING GEAR and BUILD YOUR OWN AUTOMOBILE WATCHES! Watches THE NEW ENGLAND WATCH CO. CRUDE ASBESTOS AUTOMOBILE FRANK MILNE- EVERETT MASS.

NEWAYCO AUTOMATIC CIRCUIT BREAKERS THE W. P. DAVIS MACHINE CO. THE CYCLE SADDLE ALL STYLES GENTLEMEN'S SADDLES perils ements. PalmerTires confidence The American Bell Telephone Company Boston Mass. BY ANY ONE FOR ANY PURPOSE AS AND GASOLINE

ment In the simplifying and per fecting of amateur photography. Hawk-Eye Cameras $5.00 to $75.00. 'Ube 3lue Vook TAKE A New Position ed to your particular business. the Jewett Will be Built to Your Order. the old machine front YOU in trade. BY ANYONE

COLD FORCED PRODUCT. II AMERICAN SCREW CO. PROVIDENCE R. I. ROCHESTER RADIATOR CO. mem. Rochester N. V. ASTRONOMY POOLE BROS. Chicag0 The American Bell Telephone Company Boston Mass. ENGINES THE GRIFFIN MILL Patent No. 523171 Pipe Threading and

NO. 37 PARK ROW NEW YORK. One copy six months postage included1 60 gratis for every club of five subscribers at $3.20 each ; additional copies at same proportionate rate. Postage prepaid. Is issued weekly: every number contains 16 octavo pages with

Palmer Tires Typewriter Patent confidence THE W. P. DAVIS MACHINE CO. Columbia I Price Fits Quality POCKET KODAK If you own a good HORSE AND CARRIAGE you will be interested in our BELL ODOMETER EASTMAN KODAK CO. The Name 'HUNTER HUNTER CYCLES

THE NEW CHICAGO WATER WORKS. outside and inside and two 12 inch courses of timber A FEAT IN PHOTOGRAPHY. ami PHOTOGRAPH OF FLYING PROJECTILE. t fr A New Antteeptte. It IOw The TaUeNt Chimney' Tel., scientific american, 1889-12-14

RACING MACHINE SPARK PLUG fully guaranteed for accuracy and durability. Send for catalogue sample of beautiful work and par at our expense. Write today. Adding Machine Company ST. LOUIS How to Keep Cool in Summer WniNieraai MENNEN'S BORATEO TALCUM

THE SIMONDS SAW Made of Simonds Steel Simonds Saws are the Best and They ARE the Best 'Simonds Guide' Mailed Free SIMONDS MFG. CO. Classified Advertisements BUSINESS OPPORTUNITIES. HELP WANTED. AGENTS WANTED. PATENTS FOR SALE. PHOTOGRAPHY. MOTION

PATENTS FOR SALE. Classified Advertisements SALE AND EXCHANGE. TYPEWRITERS. PHOTOGRAPHY. SEASICKNESS. SOUVENIR POST CARDS. MISCELLANEOUS. BUSINESS OPPORTUNITIES. HELP WANTED. AGENTS WANTED. FACTORY AND MILL SUPPLIES. MOTION PICTURES. EXPERIMENTAL

'WOLVERINE' Gas and Gasoline Engines STATIONARY and MARINE. WOLVERINE MOTOR WORKS Grand Rapids Misit ECONOMY IN GAS ENGINE IGNITERS . MOTsINGER DEVICE MFG. Cu Peadietno. A Cutter Milling Attachment FANEUIL WATCH TOOL CO. Briohton. Boston. Mass.

Of the last generation the cretaeletwt cornea from IMPROVEMENT IN PHOTOGRAPHY., scientific american, 64--12

OLD COINS AND STAMPS. Samples FREE to Engineers Sa.penzReed Asbestos Packing For High Pressure and Super-heated Steam Mercer Packing Graphite and Rubber Semi-Vulcanized A case of 99 Burroughs Adding and Listing Machine Burroughs Adding Machine

MARCH 17 1894.1 TRICOLOR PHOTOGRAPHY. Fig. 4TRIPLE LANTERN FOR PROJECTION OF PICTURES IN NATURAL COLORS. Fig. ITAKEN AND PROJECTED THROUGH A RED SCREEN. which are here shown light or white will be a more or Fig. 2TAKEN AND PROJECTED THROUGH A GREEN

Firing of Boilers with Mixed Coal.How to Hinder Railway Robberies. BENJAMIN WALTON. Photography Out West. The Father of Ocean Steam Navigation. The Echo Organ at Westminster Abbey. instrument., scientific american, 1895-10-26

LOSSOF LIPB INJURY vtt CAUSED' STE1430MTDLOSIMIS filwaos heady For Use THOROUGH INSPECTIONS tANCI3 MIETZ & WEISS KEROSENE PRINTERS Charter Gas and Gasoline Engine rf‘CiAtiPSALLtataa CHRISTIANA MACHINE CO. ENGINEERS FOUNDERS and MACHINISTS The

Improvements in the Manufacture of Dyestuffs. BLACKISH BLUE AZO DYE. IMPROVED DYE FROM ALPHA OXYLIVITIC ACID. GRAY BLACK TETRAZO DYE. NEW PINK DYE. A NEW RED DYESTUFF. Silver Mining. PUBLISHED WEEKLY AT 0. D. MUNN. A. E. BEACH. TERMS FOR THE

Illustrated namea and to Peal 52 Numbers a Year. This widely circulated and splendidly Terms of Subscription. Scientific American Supplement. PhotograPhY of at world. Sold by a t New Yort 361 Broadway THE BACKUS EXHAUSTER BACKUS WATER MOTOR CO.

VI A New Process of Color Photography. the After Smokestack. The Ship Was Built in Eighteen Months. THE 'DREADNOUGHT' LEAVING PORTSMOUTH FOR HER TRIAL TRIP., scientific american, 1906-10-27

SUPPLY BOX OF THE KODAK CAMERA. INSTANTANEOUS PHOTOGRAPHY. Self-Extinguishment of Fires. CARRYING CASE. 4 Fires Caused by Kerosene. What is a Sleeper ?, scientific american, 88-09-15

Photography on Wood. BY PROFESSOR J. HUMUS . The Manufacture of Glass in Pittsburg. Memoranda for Garment Dyers. Subertances and Reagents Suitable for Removing Spots. Whooping Cough and Fungus. The Geological Relations of the Atmosphere. A

TAYLOR'S PATENT BOOKHOLDER FOR TELEPHONE DIRECTORIES ETC. AN IMPROVED SHUTTER FASTENER HULMAN'S SHUTTER FASTENER. The A.elds of Fruits. A GARMENT MEASURING DEVICE. ICANTOROVITZ'S GARMENT MEASURING DEVICE. SUBMARINE PHOTOGRAPHY. SUBMARINE PHOTOGRAPHY.

Preservation of Hard Wood Handles. The Electric Cars in Boston. High Speed Photography. Cobalt Toning. 4 Apyrite a New Smokeless Powder., scientific american, 1892-10-01

A METHOD OF CONTROLLING THE PRODUCTS OF THE BESSEMER PROCESS. GLEANINGS FROM THE POLYTECHNIC ASSOCIATION. 41-40-s. Production of Natural Colors by Photography. THE LATE ALEXANDER DALLAS BACHE., scientific american, 1867-03-09

Color Photography for Amateurs. nearly transparent 12 dyed in the color bath by an The color-screens thus formed should be placed quite they should be soft rather than too hard. The expos SHELL HOUND SAN NICOLAS ISLAND. THE WILD WOMAN OF SAN

Photography. Gas Gas Making Etc. PHYSICS CHEMISTRY ETC. Electricity and Electric Apparatus., scientific american, 1881-12-31

rmirestocr Photography without a Nitrate of Silver Bath. Interesting Trial of Heavy Ordnance., scientific american, 64-10-08

The Seedless Apple's Past. Panama Canal. The Changing; Color of Glass. the Yard. Photography of the Eye. Passe-Pa rtont Framing., scientific american, 1905-02-18

NO. 87 PARK ROW NEW YORK. 1=1. Ma Contents. (Illustrated articles are marked with an asterisk.) American harvesters iu Austria :Notes and queries 107 triumoh of 96 Paper feeding machine. 98 Ans.:ere to correspondents SI Patent decisions recent 105

WILD BEAST EXTERMINATORS WANTED. THE PROGRESS OF ASTRONOMICAL PHOTOGRAPHY. THE NEW EGYPTIAN COTTON. New Agricultural Inventions., scientific american, 1878-03-30

PHOTOGRAPHY OF A CANNON BALL IN MOTION. A New Asbestos Mine. THE 'IRON GATES'' OF THE DANUBE. Sad Condition ot the Panama Canal CANNON BALL PHOTOGRAPHY., scientific american, 1891-01-17

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

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

WILL SHIP C.O.D. FOR $25.00 NOTICE TO CONTRACTORS. THE OBER LATHES HOLD THE WIRE LONG CUT AUTOMATIC WIRE-STRAIGHTENING AND CUTTING MACHINE. New Haven Conn. U.S.A. A ROOF THAT IS WEATHERPROOF. Warren's Natural Asphalt Stone Surface Ready Roofing

Animal Photography. The Destruction of Two Gasholders at Glasgow. UNIVERSAL FILE HANDLE. UNIVERSAL FILE HANDLE. A Chance for the Inventor. Electricity as a Measure of Thought. To Relieve an Overworked Brain. Influence of the High Tension Spark.,

THE PRODUCTION OF GRAND OPERA. Odd Causes of Electrical Fires. PLATE III. PLATE IV—TONE PHOTOGRAPHY., scientific american, 1897-05-29

The Leading Journal of Agriculture The ONLY Agricultural NEWSpaper Classified Advertisements SALE AND EXCHANGE. BUSINESS OPPORTUNITIES. TYPEWRITERS. HELP WANTED. PARTNERS WANTED. PHOTOGRAPHY. PATENTS FOR SALE. MACHINERY FOR SALE. STEAM BOILERS.

ELECTRIC LAUNCH MOTOR. - THE Lead-Colored Slate Pencils Rubber Bands Erasers Inks Penholders Rulers Water Colors. Improved Calculating Rules. THE A12STRONG MFG. CO. Bridgeport Cohn. FOR LEVELING UP An Automatic Pump Niagara Hydraulic Engine C The

Unwelcome Discoveries. Dangerous Chemicals in Photography. Passenger Cars. bility to Pain. Shortsightedness. The Great Search Light., scientific american, 1894-11-03

Supplement. They have a tone that's all their own WOMEN s particulars world 210 North Main street Bristol Conti. U. S. A. ROENTGEN PHOTOGRAPHY WANTED WILLIAM P. SCOTT 309 Broadway New York City. POWER COMPANY MONITOR MUNN & COMPANY 361 BROADWAY NEW

Vol. LXXIVNo. 7. ESTABLISHED 1845. 1$3.00 A7 YEA H. WEEKLY. Entered at the Post Office of New Tom N. Y as Second Clams matter. Copyright 1896 by Munn & Co.) RAY PHOTOGRAPHS TAKEN BY PROF. A. W. WRIGHT AT YALE UNIVERSITY. PROF. A. W. WRIGHT'S

REMARKABLE THE GOODYEAR TIRE & RUBBER COMPANY Carroll Street Akron Ohio. Twin Screw Cruising Yacht SPECIAL CRIT1SE.-By the Twin Screw Express S.S. 'AUGUSTE VICTORIA' MAMBURG—AME A RICN LINE DELIGHTFUL LINE. 'Prinzessin Victoria Luise.' TO Owners Of

AMERICAN INDUSTRIESNo. 43. THE MANUFACTURE OF STOVES RANGES AND HEATERS. Photographic Novelties. PHOTOGRAPHY APPLIED TO THE BIOSCOPE. PHOTOGRAPHIC TOY. Steam on the Upper Delaware. Fall of Meteoric Dust., scientific american, 1880-05-29

No. 361 BROADWAYNEW YORK. NEW YORK SATURDAY JANUARY 13 1900. ARMORED TRAINS. THE NEW CENTURY. THE ELECTRIC FISH OF THE NILE. UNEARTHING FOSSIL REMAINS. CONGRESS OF PHOTOGRAPHY IN 1900., scientific american, 1900-01-13

CTOERFORATEDMETALSININING SCREENS HARRINGTON &KING PERFORATING e CHICAGO: Barrel Keg Hogshead AND E. & B. Holmes iv SST M TUBE CLEANER ri Useful Books! BLUE PRINT dealers. FOREIGN BUSINESS! CHALMERS-SPENCE CO. CAS ENGINES CINCINNATI OHIO. A Machine

ARROW ON EVERY CIGAR. Trade Mark. MEDAL AND DIPLOMA RECEIVED THE COLD MEDAL Queen Transits and Levels High Grade Instruments with the Latest Improvements. gineerin ns I Optical mud Scientific 59 Fifth Ave. New York. 1010 Chestnut St. Phila. QUEEN & C

Earthen Ware Ignition Tubes. Photography of the Phonograph., scientific american, 1893-06-10

NG TYPEWRIT What It Does Remington Typewriter Company New YorK and Everywhere Classified Advertisements BUSINESS OPPORTUNITIES. BUSINESS METHODIZERS. PATENTS FOR SALE. PATENTS WANTED. AGENTS WANTED. POSITION WANTED. MOTION PICTURES. MODELS &

IMPROVED RAILWAY RAIL JOINT. SIEGEL'S IMPROVED RAILWAY RAIL JOINT. Substitute for Yellow Glass Panes in Orthoehromatie Photography. IMPROVED CAR BRAKE. Petroleum in Amsterdam. 2125. Separating Fibers. . The Ideal Jeweler. olt ff. Clearing Waste

SPEED IN WAR VESSELS. MORE RAILROAD INVENTIONS WANTED. THE EDUCATIONAL WANT OF THE SOUTH. CHEAPER MEAT FOR NEW YORK. Professor Haeckel in Ceylon. VW 4O' A Poison for Tubercular Bacteria. Railway Photography. ages to Property. Fatal Accident in

Classified Advertisements BUSINESS OPPORTUNITIES. PATENTS FOR SALE. FOR SALE. HELP WANTED. AGENTS WANTED. TYPEWRITERS. AERONAUTICS. BOOKS AND MAGAZINES. HOUSEHOLD NEEDS. PHOTOGRAPHY. GRE-SOLVENT. OLD COINS AND STAMPS. How to Construct An Independent

NEW YORK SATURDAY DECEMBER 10 1864. Contents: WHAT CAN BE DONE FOR INVENTORSADVICE GRATIS AND ADVICE FOR PAY. thould accompany the remittance. Page or ldress THE 'SCIENTIFIC AKERICAN' FOR THE ENSUING YEAR. IMPROVEMENT IN PHOTOGRAPHY. of the salts not

Tempering. Browning Gun Barrels. MECHANICAL MOVEMENTS. Pile Driver. Benzoin Acid. For Weak Ankles and Wrists. Photography. Sound Destroyed By Sound. 0 of Ben. French Varnish. BY MUNN & COMPANY. Eccentric for an Uniform Traverse., scientific

COMPANY 319 N. 4th Street St. Louis. Mo. x o sx yi Color Photography HEAD PROTECTOR THE VAlEN.BADER CO. V8u USE GRINDSTONES P The CLEVELAND STONE CO. MONTHLY Packings Asphalt Ready Roofing. THE CORK FLOOR AND TILE CO. REBUILT MACHINERY INVENTIONS

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

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.

Classified Advertisements BUSINESS OPPORTUNITIES. PATENTS FOR SALE. PATENTS WANTED. AGENTS WANTED. MOTION PICTURES. MODELS & EXPERIMENTAL WORK. AUTOS. BOOKS AND MAGAZINES. CORRESPONDENCE SCHOOLS. SCHOOLS AND COLLEGES. AUTOMATIC MACHINERY.

Ourselves as Others See Us.-4 Air Photography Thirty Years Ago and To-day. 4Treatment of Rattlesnake Poisoning. Iodinegr. mix. Aqua pure Violation of a Tomb after Six Hundred Years., scientific american, 1885-07-25

Scientific Interim. Improved Steam Pipes. TO SET FIRE TO A PILE OF SNOW. The Colossal Passenger. 4Lightning Photography. NEW PIER FOR THE AMERICAN LINE. A MIRROR ATTACHMENT FOR BICYCLES. BITCHERER'S BICYCLE MIRROR. The Geologic Age of the World.

The International Correspondence Schools To Electrical Workers MAHER dz DORMAN'S VULCANIZERS THE J. F. W. DORMAN CO. 121 E. Fayette St Baltimore Md. U. S. A. DOUBLE SPEED INDICATOR Automatic Lawn Mower Sharpener MANUFACTURED BY WILLIAMS BROTHERS.

Classified Advertisements BUSINESS OPPORTUNITIES. HELP WANTED. TYPEWRITERS. PATENTS FOR SALE. FACTORY AND MILL SUPPLIES. MACHINERY FOR SALE. MACHINERY. BOOKS AND MAGAZINES. SOUVENIR POST CARDS. PHOTOGRAPHY. AUTOS. SCHOOLS AND COLLEGES. ALCOHOL

SIMPLE APPARATUS FOR PHOTOGRAPHING THE SPECTRUM The Work of the School of Athens at Corinth. SIMPLIFIED APPARATUS FOR SPECTROSCOPIC PHOTOGRAPHY. SOME CURIOUS AUTOMATA. INTERIOR OF VAITCANSON'S AUTOMATIC DUCK. SPECTRUM OF ALUMINUM. Queen Victoria's

THE HUDSON RIVER BRIDGE OF THE NEW YORK AND NEW JERSEY BRIDGE COMPANY. 4 Novelties in Photography., scientific american, 1894-06-16

Classified Advertisements =M. BUSINESS OPPORTUNITIES. PATENTS FOR SALE. PATENTS WANTED. HELP WANTED. FOR SALE. MOTION PICTURES. LISTS OF MANUFACTURERS. MISCELLANEOUS. Inquiry No. 8787.-For parties who manufacture cat-gut. shower bath. Popular Books

Classified Advertisements BUSINESS OPPORTUNITIES. PATENTS FOR SALE. HELP WANTED. TYPEWRITERS. AUTOS. MOTION PICTURES. BOOKS AND MAGAZINES. ASTRONOMY. PHOTOGRAPHY. TALKING MACHINE NEEDLES. MISCELLANEOUS. Valuable Volumes Electrician's Handy Book

The Atlanta Cotton Fair. The Adirondack Survey New York. New Plan for the Drainage of Chicago. Photography in Engineering Works. Mercantile Shrewdness. Shipment of Bees to New Zealand., scientific american, 1881-01-08

Classified Advertisements BUSINESS OPPORTUNITIES. PATENTS FOR SALE. PATENTS WANTED. AGENTS WANTED. MOTION PICTURES. MODELS & EXPERIMENTAL WORK. AUTOS. AUTO ACCESSORIES. TYPEWRITERS. BOOKS AND MAGAZINES. CORRESPONDENCE SCHOOLS. SCHOOLS AND COLLEGES.

Bristol Conn. U.S. A. 78 Reade Street- New York N. Y. Manufactory Established 1701. ALCO VAPOR LAUNCH SMALL GASOLINE LAUNCHES The Standard Single-Tubes The Hartford Rubber Works Co. 041CAGO. Something New In Photography TURBINE WATER WHEELS.

CHANGES IN PHOTOGRAPHY. PROBABLE OPPORTUNITIES FOE NEW DISCOVERIES IN ACOUSTICS. SPIRIT PHOTOGRAPHS. -II0 0, scientific american, 1879-08-09

inside Page each insertion . 75 cents a line. Back Page each insertion . $1.00 a line. Randolph's New Ditcher. Jarvis Gas Consuming Furnace. Steel Castings 239 BROADWAY NEW YORK. VERTICAL SCIENTIFIC GRAIN A. W. STRAUB & CO. 2231 Wood St. Philadelphia

Home Mechanics for Amateurs REVISED and ENLARGED EDITION The Scientific American Queries. 're 5000 Receipts. 734 Pages.900 New Formulas. 1901 APPENDIX. JUST PUBLISHED Scientific American Reference Book DESIGNS. TRADE MARKS TWENTY-THIRD EDITION

SEPTEMBER 24 1892.1 The Volatilization of Quartz. Electric Spark Photography. Bristol and the Chicago Exposition. Locomotive Smoke Consumers. Amidol a Neu Developer., scientific american, 1892-09-24

CARRIAGE MAKERS' WORK IN THE LAST CENTURY. A SCYTHIAN CHARIOT. Photography by a Lightning Plash. Origin of DIatase. the neck in front of the withers and lashed to the yoke. A SCYTHIAN CHARIOT., scientific american, 1886-05-22

PHOTOGRAPHY OF THE INTERIOR OF THE EYE. AEROPLANES IN FRANCE AND X. ARCH DEACON'S APPARATUS. — RULES FOR CONCOURSES... N'.. ' \'. Ole THE EYE., scientific american, 1904-12-17

WALTHAM WATCHES DARiuut citiwsLya ANTLER BICYCLE CARTER The Yankee DRILL GRINDER FOR TOOLS THE WRI1E`Ar VAIINE LMBODYINli All THE BI ST FEATURES IN TYPEWRITER THE BICYCLE: ITS INFLUENCE IN The Black Mfg. Co. Erie Pa. PROBLEMS FELT & TARRANT MFG. CO.

COLD GALVANIZING NICKEL GOBB Price $1.00 PIERCE Motor Boats and Motors PIERCE ENGINE CO. LUFKIN RULE CO. Low Fares to Seattle CHICAG MILWAUKEE & ST. PAULRAILWAY F. A. MILLER General Passenger Agent Chicag Model 'R' Roadster $2250 But Read and

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