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ESTABLISHED 1845 TABLE OF CONTENTS OF Scientific American Supplement No. 21 For the Week Ending June 26 1897. PAGE AMERICAN INSTITUTE FAIR. THE ENGINEER MOTOR CAR COMPETITION. FALL OF A NEW BUILDING IN NEW YORK CITY., 1897-06-26

There is a God The Field of Battle. Pleasure in Sobriety. Selected Articles. Pitman's PhonographY., scientific american, 1846-07-09

DIARIES' ARTIFCIAL LEG. Scientific American PUBLOMED WBBICLY BY MUNN & COMPANY. ler in 6 months Weed's Malt and Grain Dryer. TEN A, 1853-08-13

APRIL I 18931 TO INVENTORS INDEX OF INVENTIONS United States were Granted !larch 21 1893 Ladder Store service H. fresh Lamp cooking LWoildkow Dixon 408912 Canadian Patents may now be obtained by the In ventors for any of the inventions named in the

294 Scientific American Aluminium Coins. pWine Making in the Province of Shantung China. The Current Supplement. Testing Gasoline for Automobile Engines., -1909-04-17

gorrrovontienct. Some Curious Number Puzzles., scientific american, -1909-11-27

303 TO CORRESPONDENTS. IRON FOUNDERS' FACING MATERIALS DATENT HYDRANTS AND COCKS—Bartho 15tf WOODBURY'S PATENT PLANING Machines IIIHE NEW HAVEN MANUFACTURING NEW WORKS ON CIVIL ENGINEERING NEW METHOD FOR MAKING WROUGHT. MHE NEW HAVEN MANUFACTURING

BOOKLET THE NEW YORK STANDARD 'CHRONOGRAPH For Laboratorial Work. Experi mental Work Photographic Purposes Electric and Tele phone Usages. For Refiners and Compounders of Oils etc. For Physicians. Surgeons and Nurses and for the Exact Tim ing of all

4 14 Novelties Before the French Physical Society. NEW STELLAR SPECTROSCOPE. New Investigations on Electro Deposition., scientific american, 1877-07-21

THE SEVENTH INTERNATIONAL ZOOLOGICAL CONGRESS BY WILLIAM H. HALE PH.D. SCIENCE NOTES COMPLETION OF THE SCIENTIFIC AMERICAN TROPHY FOR HEAVIER-THAN-AIR FLYING MACHINES., 1907-09-07

SOME APPARATUS USED BY THE VIENNA FIRE DEPARTMENT. Pio'. 3CELLAR FIRE—FIRE MASK AND ZINC FLAMBEAU. Fig. ITHE EXTENSION LADDER. Fig. 2THE CANVAS., scientific american, 1891-05-23

JONVAL TURBINE WATER WHEEL. Fig. 1. Ventilating of Railroad Cars. Improvement in Smelting Furnaces Eyes of Millstones. New Process of Making Butter. Important Railroad Invention. The Compound Rail. An Improved Railroad. The Koh-imoor. A good Railroad

AN IMPROVED SIGHT FOR FIREARMS. Sculpture for the Congressional Library. A Strange Light on Mars. THE CASCADE WATER WHEEL. AN AUTOMATIC DISCHARGER OF ABNORMAL ELECTRIC CURRENTS. Inertia of Fly Wheels., scientific american, 1894-09-01

lyew Vse of Dolomite. ON BLOOD AND ITS USES. Frendeet., scientific american, 1871-01-14

of the globe the more difficult have they found it to distinguish one from the other. Among the little organisms which are invisi ble to the naked eye there are zoologists as animals. Many of the plants in cermin animal or vegetable nature of an

IMPROVED SHUTTER-WORKER. WAGNER'S SHUTTER-WORKER. Automatic Counting of Letters. IMPROVED FILTER. IMPROVED DOOR LATCH. WALLACE'S DOOR LATCH. MECHANICAL INVENTIONS. 2. LAND'S UPWARD WATER FILTER, scientific american, 1881-08-27

and refiners of coal oil should encourage such an im provement as more coal oil would be used were it not for the trouble experienced with the common misera ble chimneys furnished for oil lamps. Ttni manufacture of large Armstrong guns for the NUNN &

PRACTICAL MECHANISM. Simian Sagacity., scientific american, 76-09-09

Editors dr Proprietors. Contents: THE CAUSE OF BOILER EXPLOSIONS. INACTIVITY. THE SWEETNESS OF FERMENTED BREAD. liquid. EXPERIMENTS WITH CAR BRAKES. WHAT A GREAT THING AN ARMY IS. Shocking Occurrence. passage ways each 123 feet wide for steamboats.,

04100, scientific american, 1870-08-13

Decay of Building Stones. The Scope of the Sewing Machine. The New Steamship Oregon. Enlargement of the Suez Canal. Dyeing with Aniline Black. The Use or Liquid Carbon Dioxide., scientific american, 1883-02-10

modern in all respects. Built by men who have can buy for the produc tion of the best machine backed by 18 years' practi cal experience. PRICES IIPHANNON UOMPANK, scientific american, 1896-02-15

A REMARKABLE BRIDGE DISASTER. The Fall of Meteorites In British Central Africa. To Move Build tugs in Buda pest. NEXADJI RIVER TRAIN WRECK—LOOKING FORWARD FROM REAR OF TRAIN., scientific american, 1899-06-17

BABBIT and ANTI-FRICTION METALS AS MANUFACTURED BY E. A. C. DU PLAINE 64 & 66 SO. CANAL ST. CHICAG ILL. PLUMBAGO RABBITS. PRICE REDUCED. FIRE AND WATER-PROOF BUILDING PELT COVERINGS ETC. ljgrojD ELECTRIC CONVEYORSDESCRIP 464. Price 10 cents. To be

RECENTLY PATENTED INVENTIONS. Of Interest to Farmers. Of General Interest. Hardware and Tools. Heating and Lighting. Household Utilities. Machines and Mechanical Devices. Prime Movers and Their Accessories. Hallways and Their Accessories. Pertaining

the mandril should bereversed and the wheel screw run entirely back. This operation may be repeated any number of times without stop ping the machine. By giving the dies more pressure as the point of the screw leaves them any amount of taper may be

RAILWAY ENGINEERING IN LONDON. IP Practical Prints., scientific american, 1866-12-01

scientific american, 1903-12-12

Improved Tabular Evaporator. HAWLEY'S TUBULAR EVAPORATOR., scientific american, 1866-06-23

THE INFLUENCE OF INTENSE ()OLD ON STEEL AND IRON. OAK GRAINING IN OIL COLORS., scientific american, 1871-03-18

RECENTLY PATENTED INVENTIONS., scientific american, 1891-03-11

scientific american, 1875-03-11

HOME OF THE AMERICAN OSPREY. BY DANIEL C. BEARD. Or A Sitting Snake. Temperature of Least It e2sistance in Steel. Curious Observations on Ants., scientific american, 1881-07-30

DRAWING. Electrical Stationary E Lini G Textile ARCHITECTURE. TELEPHON TAUGHT BY CORRESPONDENCE Co mpendium of Drawing ONE THOUSAND ILLUSTRATIONS OR TWO MONTHLY PAYMENTS OF $3 EACH By Express Prepaid. Money AVT HORS OF TREATISES IN THE WORK. SIZE OF

The Scientific American in a Kipling Story. r Foot and Mouth Disease. BY R. L. ADAMS. How to Waterproof Boots at Home. The Keosauqua Iowa Water Power.Marconi Cape Cod Towers., 1902-12-27

THE S17131(ARI1OETELZGBAVI between Jutland and Norway is now in full working order. MANUFACTURING MINING AND RAILROAD ITEMS. one Of these aoquieltlOne WWI Were Melted from the quartz in two We., scientific american, 1867-08-24

The Application of Steam on the Canals--.Method Used on the River Elbe. Paine's Early Electro Experiments. Fast Steam Plowing. Improved Photographic Process.--Dry Plates with no Preservative and no Washing. Laws Relating to Newspapers., scientific

THE MAGIC LANTERN AS A MEANS OF DEMONSTRATION. BY HENRY MORTON Pic. D. PART 3. EXPERIMENTS WITH THE VERTICAL LANTERN. MOTIONS OF CAMPHOR ON WATER. WATER WAVES ON A CHLADNI PLATE. DUST FIGURES BENEATH A CHLADNI PLATE. EXPERIMENTS IN ELECTRICITY.

scientific american, 1874-11-21

dozen of the articles above named per day. A large portion of the labor is done by machinery; but much of it is given out as piece work to be done outside homes and thus affords support to many who would otherwise find difficulty in obtaining

HON. JOHN W. DANIEL OF VIRGINIA HON. EDWIN WILLITS ASSISTANT SECRETARY HON. SAMUEL BLATCHFORD JUSTICE U. S. U. S. SENATOR. OF AGRICULTURE. SUPREME COURT. PROF. R. H. THURSTON DIRECTOR SIBLEY COLLEGE CORNELL UNIVERSITY. THOMAS GRAY PROFESSOR ROSE

IMPROVED STEAM WHISTLE. EINIG'S STEAM WHISTLE. LOCK LETTER PRESS. HILL'S PATENT LOCK LETTER PRESS. Petroleum. A 1.500 Horse Power Holster., scientific american, 1879-08-23

View looking west from downstream., scientific american, -1909-03-06

COMMUNICATIONS RECEIVED. Index of Inventions Letters Patent of the United States Back Page$1.00 a line. Inside Page 75 cents a line., scientific american, 1873-11-22

216 SCIENTIFIC AMERICAN. FANCY FOUNTAIN. Chromium. The Wave Principle in Ship Building. BY MUNN Zs COMPANY. Japanning Black. Solders for Brass and Copper. Railroads in the United States., 1847-03-27

Manufacture of Soda. CHEMICAL OBSTRUCTIONS IN IRON WATER PIPES. A NOVEL TOY. VOLICE'S NOVEL TOY. Small Inventions. Progress of the Russian Petroleum Industry. 40 4Permeability of Silver for Oxygen Gas BY L. TROOST. CHEMICAL OBSTRUCTIONS IN IRON WATER

EDITORIAL CORRESPONDENCE. THE FIFTEEN-INCH BALL VS. THE ENGLISH PRESS., scientific american, 1867-09-07

NEW PUBLICATIONS. EXTENSION NOTICES., scientific american, 1867-11-30

ENGINEERING INVENTIONS. MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS., scientific american, 1883-01-11

Hops and Hop Growing in New York. New York Academy of Sciences. The Comet and the Moon in Arizona. improved Mortar., scientific american, 1882-10-21

CADILLAC AUTOMOBILE CO. Detroit Mich. Ng No N. REVISED and ENLARGED EDITION II Of Receipts 15000 Receipts. 734 Pages. in Half Morocco. Post Free. 900 New Formulas. Home Mechanics for Amateurs THE SALE OF PATENTS By F. A. CR ESEE JUST PUBLISHED

EMERY WHEELS. NEW YORK BELTING AND PACKING CO. ROCK BREAKERS AND ORE CRUSHERS. ROOT'S EW IRON BLOYIE4 HOWELL'S PATENT Cut Off PATENTS. 3ICNN A: CO. Solicitors of Patents Washington D. C. SATURDAY NOVEMBER 1 1884. SEBASTIAN MAY & CO.'S Iraprovi 60 :cm

J. T. NOYE & SON Buffal N. Y. HEALD SISCO & CO. Baldvrinsville N.Y. POWER SHEARS. J. E. BUERK P. (). Box 979 Boston Mass. CONDITHANSON &VAN WINKLE EMPIRE THRESHER MA NUFA C fRED A T HAGERSTOWN MD. THE BEST N THE WORLD. SEND FOR CIRCULARS. Columbia

THE PARIS-VIENNA AUTOMOBILE RACE., scientific american, 1902-08-02

FIREWORKS WITH DRAMATIC ACCESSORIES. Long Distance Telephoning. Galen on the Treatment of Obesity. Oorresponbence. The Polarity of Tadpoles. Cleaning Woolen Fabric., scientific american, 1886-07-31

Saturn.0 Water CisternsHow to Make them, scientific american, 1870-11-12

scientific american, 56-06-14

358 SCIENTIFIC AMERICAN. SOUTHERN CORRICSPON1)ENC10. Ellicott' Harper's Ferry Wheeling Ar.e. The Perils or Mining. The Women of California. Spontaneous Combustion. Foreign Items. Singular Accident to a Snipe. Walking and Riding. Heroism in a Child.

IN THE HISTORY OF STEAM NAVIGATION. Aldehyde in Cheese., scientific american, 1907-04-20

$15 $30 UPRIGHT SHAPING MACHINE. Improved FOOT LATHES j IIIIII 1s IR BEAM GIRDERS COLD ROLLED SHAFTING. iNg MINTS WANTED. SCHEDULE OF PATENT FEES. CANADIAN PATENTS. LIST OF PATENTS GRANTED IN CANADA June 15 to June 18 1875. BRADLEY Manufacturing

OTIS Otis Brothers Co. 38 Park Row New York LITRITEL Makes 100 Instantaneous Division of Labor The Eastman Dry Plate & Film Co. Rochester N. Y. 5 Oxford St. London. 60 Screw-Cutting Foot Lathe AGENT 134 East 2d Street Cincinnati. Ohio. PATENTS! erne

scientific american, 1865-06-24

Electric Launches. on for Wagon Wheels., scientific american, 1883-11-10

FLOATING DEPOT FOR COALING WARSHIPS. PROPOSED EXCAVATION OF THE PANAMA CANAL BY FLOATING DREDGES. PROPOSED EXCAVATION OF THE PANAMA CANAL BY FLOATING DREDGES of the locks, scientific american, 1906-01-20

B.W.Payne&SonsCorningN.Y. email and convenient Instrument for DeafPeraons.en TE IGGEST THING TIMneHB 01.B.orseg FI, scientific american, 1879-04-19

scientific american, 1862-04-05

or any other combination which is substanti ally the same thing and by which analogous results are produced. To J. Johnson of Genese N. Y. for improved method of working the pall in parallel vices. What I claim is the within described combi nation of

Mechanical Devices. Railway-Contrivances. Designs. NEW BOOKS ETC. RECENTLY PATENTED INVENTIONS. Agricultural Implements. Bicycle-.t ppliances. Engineering Improvements. Miscellaneous Inventions., scientific american, 1899-05-11

THE ENGINEERING: WORKS THROUGH UNDER AND OVER THE BERGEN HILLS OPPOSITE NEW YORK. THE NEW RAILWAY TUNNEL AND STREET CAR ELEVATOR JERSEY CITY OPPOSITE NEW YORK., scientific american, 1875-02-27

other air Elec. Force of shot under control day. Slme Another 'boats n lee toss. WE WILL MAKE estimates on PREPARED Please mention the SCIEIVTIFIC AMERICAN when writing to advertisers, scientific american, -1909-09-04

IMPROVEMENT IN STEAM BOILERS. IMPROVED SPINNING FRAME., scientific american, 1882-09-23

Waist L. S. Biggar Washboiler cove! A. R. Thomas 7992 Washing machine A. W. Smith 799006 Watch stem winding and setting W. E Porter 7990E7 Water apparatus for electrically purifying Water closet chair and flush tank sanitary Thompson & Shehan 799418

Krupp Essen Works. To Find the Weight of Silk Cotton and Wool In Mixed Fabrics. Aquamarine. Expensive Metals. Fulminate of Mercury. Deflection of the Mississippi. Pasteur's System of Brewing., scientific american, 1885-01-03

RECENTLY PATENTED INVENTIONS. Electrical Devices. Of General Interest. Machines and Mechanical Devices. Of Interest to Farmers. Hardware. Heating and Lighting. Household 'Utilities., scientific american, -1909-02-06

the home manufacture of earn it hundreds of most ex blishers 10 f3IZESEI THE VANDUZEN H TIFT CO. BELTING of Various Styles ELEVATORS CONVEYORS The JEFFREY MANUFACTURING CO. COLUMBUS O. STUDY NE ELECTRICITY AT NE HOME By our correspondence method.

THE TIMBER DRY DOCK NO. 3 AT THE NEW YORK NAVY YARD. The Early Rising Precept. Mexican International Exposition. ditions. Blenheim Palace and Estates. A California Exposition in New York. will also be given. CROSS SECTION OF A TIMBER DRY DOCK.,

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted March 1 1892. AND EACH BEARING THAT DATE., scientific american, 92-03-12

184 ON CERTAIN HABITS CONSIDERED AS NECESSITIES OF MODERN CIVILIZATION PHARMACY IN PRUSSIA. THE INTRODUCTION OF INDIA RUBBER SHOES. THE LABOR PROBLEM CLASS ORATION FOR 1871 AT YALE., scientific american, 1871-09-16

As a competent Illustrator de signer or cartoonist you can com mand $20 to $100 a week or run an independent-studio and work THE ACME School or Drawing How to Construct An Independent Interrupter Wireless Telegraph Outfit.' Besides making all kinds

DENTAL ATTACHMENT FOR TELEPHONES. DENTAL ATTACHMENT FOR TELEPHONES. Canned Salmon by the Cargo. IMPROVEMENT IN SEWERS. Death Rate of the Rich and the Poor. NOVEL CAN OPENER. BROCK'S CAN OPENER. -Eh 4NEW INVENTIONS. HIRRMEISTER'S IMPROVEMENT IN

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

264 THE SCIENTIFIC AMERICAN. WILSON'S IMPROVED GAS APPARATUS., 1860-04-21

RECOGNITION OF REAR-ADMIRAL DEWEY. The Bangers of the 'Dry-cleaning Process.” Bread Fruit Trees. Uranium. Rice Cultivation in Russia. The Havana Electric Company. SWORD PRESENTED BY THE NATION TO REAR-ADMIRAL GEORGE DEWEY., scientific american,

Railroad Track Cleaner. Improvement in Fire Engines. Improved File Cutting Machine. Improved Boiler Front. Port Monaies. Stone Cutting Machine. Iron Drill. Improvement In Windows. The Fire Annihilator Gun Machine for Making Paper Bags. Ultramine.

MECHANICS' TOOLS. amateur you should have a copy of our new cata MONTGOMERY & CO. Fine Tools 105 Fulton Street New York City N. Y. SPECIAL NOTICE! FREE SITES TO SUBSTANTIAL MANUFACTURING ENTERPRISES ICE-HOUSE AND COLD ROOM.-BY R. SCIENTIFIC AMERICAN

II BUILDINGS OF THE ISLAND OF, scientific american, 03-03-14

37e Improvement in Apparatus for Drying Bo gasse. Improvement in Burning Candles. BARLOW'S PATENT PLANING MACHINE. LI IL' Improved Shingle Machine. Improved Crutches. The Lowell Bobbin Machine. law tending tosecure the profits—the just pro fits of

74 THE SCIENTIFIC AMERICAN. ceu to the earth the lightning will no more leave the POLYTECHNIC COLLEGE COMMENCEMENT. Portland Maine. INDUSTRY—MANUFACTURES—COMMERCE. to the speculative than the positive in science., 1860-07-28

ORBITS OF REVOLVING DOUBLE STARS. A PRIZE FOR BEER-COOLING MIXTURES. SCIENCE NOTES. to be worth $100000., scientific american, 1901-01-26

AN IMPROVED DUMBWAITER. LARSEN'S DUMBWAITER. NEW SOLDERING MACHINE. DECISIONS RELATING TO PATENTS. American Locomotives in the Holy Land. made in the new world. NEW RAILROAD FROG. The Diamond. The Phonograph Forestalled. BAIRD'S IMPROVED RAILROAD

Entered at the Post Office of New York N. Y. as Second Class Matter. Copyrighted 1880 by Munn & Co. Vol. LYE—No. 1.1 BRIDAL VEIL FALLS SNARE RIVER., scientific american, 1889-07-06

Tanks Dissolving the Borate of Lime A Borax Mule. _ALJIJ.--L _A_AIL _A _O. Borate Mines in San Bernardino County Cal. Filtering Press. Teaming Through Death Valley. THE CALIFOENLi BORAX INDII6TY. See page 326. Tank for Boiling the Liquor.,

Vol. LXVIINo. 26.1 WEEKLY. NATURAL RESOURCES OF VIRGINIA AND WEST VIRGINIA. ON NEW RIVER CHESAPEAKE AND OHIO RAILROAD NEAR THERMAL W. VA. VIRGINIA AND WEST VIRGINIA—INDUSTRIAL TOWNS AND CITIES RAILROAD TRUNK LINES AND STEAMSHIP ROUTES, scientific

Explosions from Non-explosive Liquids. Expenses of Business. Remarkable Career of an Adventurer. Contagiousness of Dry Rot. Habits of Crabs and Lobsters. Hardening Plaster., scientific american, 1885-05-16

Scientific American, 1906-12-29

I 1$3.20 per Annum. Vol. 1CLIINo. 19.1 [NEW szmzel, scientific american, 1880-05-08

Watches with a Pedigree Valuable Books Home Mechanics for Amateurs 326 Engravings Price 01.50 TWENTY-THIRD EDITION EXPERIMENTAL SCIENCE. REVISED and ENLARGED EDITION The Scientific American Of Receipts 15000 Receipts. 734 Pages. Price 105.00 In

Pocket 5.00 GLOSSY or MATT Illcvciee Watches. Guns Boggles Harness -mins of all varieties and 100 other articles. The Otto Gas Engine Wks. Incorp'd Philadelphia 4LottCHNEB. THE TIN PLATE INDUSTRY IN THE Co. WE ARE BUILDING The Celebrated

scientific american, 1855-08-11

WIP I at REAR-ADMIRAL CHARLES O'NEIL U. S. N. Motor Car Accident. Winter in the Klondike. Motor Carriage Exposition at Berlin., scientific american, 1899-04-15

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