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Classified Advertisements BUSINESS OPPORTUNITIES. PATENTS FOR SALE. SALESMEN WANTED. HELP WANTED. LISTS OF MANUFACTURERS. Practical all Instructive Wolin° rooks AGRICULTURE.-The New ' Agriculture. AMATEUR MECHANICS.-Home Mechan AMUSEMENTS.-The

scientific american, 1867-06-08

PUBLISHED WEEKLY AT TER. BIB. Clue an.te s Ten copies one year each 1210 postage included 827 00 Over ten copies same rate each postage Included 2 W wish their subscriptions to commence otherwise the paper will be sent from the receipt of tile oraer.

PUBLISHED WEEKLY 0. D. MUNN S. H. WALES A. E. BEACH. four months. Single copies of the paper are on sale at the office of publication and at all periodical stores in the United States and Canada. Sampson Low Son er Co. the American Booksellers No. 47

scientific american, 1906-05-05

Patent Office Employes Cannot Take Patents. Pan-American Exposition 1899. restaurants will be fitted with eleatrical apparatus Do People Have a True Conception of Their Looks? Advances of Modern Science. The University of California. A Big Cannon

Side members of the main body frame of an aeroplane. Interior of the Voisin factory showing finished aeroplanes and others in course of construction., scientific american, 1908-11-21

Improved Steam Boiler. MILES'S STEAM BOILER. Glim.cotten. BURDICK'S FLASK LOCK., scientific american, 64-07-30

THE PHONOGRAPH AND HOW IT FIGURED IN THE TREATY OF SOLO. A 1905 International Exposition. A British Firing Record., scientific american, 1904-01-23

HOW A HYPNOTIST The Secret Methods by Which Dr. X. La Motte Sage the Greatest Hypnotic Scientist of the Age Created a Tremendous Sensation. HIGHER EDUCATION PUT WITHIN THE REACH OF THE PEOPLE. UNIVERSITY EXTENSION BY CORRESPONDENCE Toward the Free

A COMPACT ELECTRIC SIGNALING DEVICE. CONNOLLY'S ELECTRIC SIGNALING DEVICE. Peroxide of Hydrogen. -.18.I History of the Barometer. A FINGER EXERCISING DEVICE. MANUFACTURE OF WHITE VINEGAR. OSTERHOUT'S FINGER EXERCISING DEVICE. MANUFACTURE OF WHITE

THE NEW CROTON AQUEDUCT. NEW YORK—THE SODOM AND BOG BROOK RESERVOIRS[See page 21.) WEEKLY. Vol. LX1 -No. 2.1 telelmislEt i Clean liP, scientific american, 1890-07-12

THE MECHANICS OF ' AUTOS THAT PASS IN THE AIR.' Leather Shoes for Horses. Prof. Newcomb and Aeronautics. ' Tramways.”, scientific american, 1908-06-06

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VAN DEWATER'S TURBINE WATER WHEEL. I —, scientific american, 1855-06-23

194 Scientific WARSHIPS SALUTING AT THE OYSTER BAY REVIEW AS THE PRE, scientific american, 06-09-15

The Atmosphere and Climate of Mars. Railroads in Africa. Lartigue system fromone to ten miles of line could be The Hungarian Flour Industry. turpentine., scientific american, 1894-11-17

IMPROVED CARPET LOOM., scientific american, 1877-08-18

The Moustache., scientific american, 1851-07-12

A METZ & WEISS KEROSENE ENGINE. 128-132 Mott St. New York. TELEPHONES DYNAMO CASTINGS. J. B. WILLIAMS CO. Buy Telephones THAT ARE GOOD-NOT 'CHEAP THINGS.' WESTERN TELEPHONE CONSTRUCTION CO. TELEPHONES. AMERICAN ELECTRIC TELEPHONE CO. 173 South Canal

THE REASON WHY N LAST EDITION Scientific American Reference Book 12mo ; 516 pages; illustrated ; 6 colored plates. Price $1.50 PostpaidPART I. PART II. PART III. PART IV. CO. - Detroit Mich. proofing material known. FREE SAMPLE UNITED MPG. Barrett

A LIGHT AND SIMPLE MOTOR. A HORSESHOE SHARPENING APPLIANCE. RAPP'S HORSESHOE SHARPENER. Cold Storage for Silks. AN IMPROVED FIRE APPARATUS. Antieholerin of Klebs. STARK'S MOTOR FOR FLYING MACHINES ETC. PAUL! S FIRE APPARATUS., scientific american,

THE EAYRS' PATENT STONE DRESSING MACHINE.Fig. 1. Scientific American CIRCULATION 16000. PUBLISHED WEEKLY BY MUNN & COMPANY. Breaking of Railroad Car Axles. New Locomotives. A Great Locomotive Feat. Explosion of a Mountain. Our Silver Currency. Vapor

Disinfectants. Varnish for Glass. Kaolin. The Probabilities of Sickness. 4 The Most Useful Drugs. New Method of Testing Milk. The Cause of Coughs. A Gigantic Kitchen. Arsenic from Curtains. Naval Naval Items., scientific american, 1876-08-19

scientific american, 1891-11-28

at Milan Italy 1887. Detection of Counterfeits by Photography. Chemical Substitution. The Landes and Dunes of Gascony. angle against the reverse side of the second wattle. In the center of the mound a palisade of plank Wrought Iron Chains without

MAY 3 1879. HOUSEHOLD INVENTIONS Pumping Money. The Academy of Sciences. The New York World's Fair. Dew. HUNTER'S CLUTCH PULLEY., scientific american, 1879-05-03

The Physical Features of Insanity. The Beehive. Manufacture of Paraffin 0 in Scotland. Cutch and Gauthier. Difference in Large and Small Diameters of Rolls., scientific american, 1871-11-04

THE SCIENTIFIC AMERICAN. 163, 60-03-10

Dangez ous Paper Hangings. The New German Patent Law. Paris Cement White a Substitute for White Lead. Two Great Crops. A Possible Utilization for the Tramp. Zigzag Sparks. Fletcher Harper., scientific american, 1877-06-16

Vol. XLV1 No. 1.1 STONE ENGRAVING. Washington Monument. White Slates. ENGRAVING PRECIOUS STONES., scientific american, 1882-01-07

-, scientific american, 1880-07-03

scientific american, 1857-04-25

Vol. LV1 No. 18.1 F83.20 perAnnom. ENGINES OF THE STEAMSHIP PARISIAN., scientific american, 1882-05-06

STEAM ON THE ERIE CANAL. BUILDINGS FOR MANUFACTURING PURPOSES. EX-COMMISSIONER FISHER'S EXPERIENCE IN THE PATENT OFFICE. BURDEN HORSESHOE PATENT EXTENDED—VALUE OF THE INVENTION. STEAM FIRE ENGINES. Brick Kiln., scientific american, 1871-07-08

NEW BOOKS AND PUBLICATIONS., scientific american, 1886-01-11

'TERROR.' Theater Sickness. Prehistoric Dentistry. WAR WIN Fig 3. Upper Deck is Conautg Tower Fig.5 The Current Supplement., scientific american, 1898-06-18

RING'S FOCUSING FINDER U. NEHRING Dept. S 16 E. 42d Street New York. taught by mail. Don't Live cal Steam Mining and Civil Engineer. ing ; Metallurgy Art Architecture Journalism English Branches Steno graphy Machine Design and Mechanical THE

scientific american, 1870-04-16

Engineers and Firemen AMERICAN RAILWAY a with Check Perforator attachment. Is fast taking the lead of all Type Writers. Larger sales than all others combine& Send for cite ulara. ODELL TYPE WRITER CO. 85 Fifth Av. Chicago. RAYS HARBOR 40 S St. TOLED

AN IMPROVED SUGAR CANE MILL. oos o ss A HOISTING DEVICE AND SUPPORT. SELLHEIM'S HOISTING DEVICE. Armour's Electric Railroad. The World's Cotton Production. AN IMPROVED GRAIN DUMP. lever being designed to engage oppositely inclined 4AN IMPROVED

ENGINEERING PROJECTS. SCIENTIFIC INTELLIGENCE. Death of William W. Cornell. AO., scientific american, 1870-03-26

CZARICSON'S IMPROVED CARD PRESS., scientific american, 1860-10-20

190 THE SCIENTIFIC AMERICAN., 1859-09-17

MUNN & CO. Editors and Proprietors. No. 361 BROADWAY NEW YORK. TERMS FOR TIRE SCIENTIFIC AMERICAN. The Scientific American Supplement Contents. samptionDifferent methods adopted for the two uses BMW Salida Springs and Mines. Zirconia Minerals. 'Why

Economy of the Electric Light. The Fourth of July under the Midnight Sun. Invisible Spines of the Cactus. Fusible Metals. Direct Determination of Silver in Galena on 0-4-0-10, scientific american, 1879-09-11

A Zeppelin Railway, Entered at the Post Office of New York N. Y. as Second Ciass Matter. Copyright 1909 by Munn Sz Co. Inc. CIENTIFIC A POPULAR ILLUSTRATED WEEKLY OF THE WORLD'S PROGRESS Vol. CINo. 23.1 F10 CENTS A COPY, scientific american,

INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending AND EACH BEARING THAT DATE. FORTUNE QUICKLT MADE. To Business Men. CAVEATS COPYRIGHTS LABEL MUNN & CO., scientific american, 1879-12-13

territoriei overlap each brood comes out of the ground only once in seventeen years. Strictly speak did not promise success. Clearing of land has done math to diminish the number of these creatures ; but which drops every other kind of food and feeds

LANGLEY'S AERODROME EXPERIMENTS., scientific american, 1903-08-22

COMMUNICATIONS RECEIVED. NEW BOOKS AND PUBLICATIONS., scientific american, 1882-0

THE BRONTOSAUR. HOW A GIANT PREHISTORIC ANI MAL WAS DISCOVERED TRANSPORTED AND RESTORED. THE RESTORATION OF THE GIANT LIZARD THE BRONTOSAUR AT THE AMERICAN MUSEUM OF NATURAL HISTORY NEW YORK., scientific american, 1905-01-21

CAVEATS TRADE HARKS COPYRIGHTS ETC. 261 Broadway New York BUNN & CO. 261 Broadway N. Y. CET THE BEST AND CHEAPEST. PATENTS SOLD PATENTS. Silver Finish. a A. FLY & C PERIN BAND SAW BLADES NEW HOME INERAL WOOL. Is 4. TEE SCIENTIFIC AMERICAN E=ORT The

Trolley Road in Japan. of last resort.' A STABLE CLEANING APPARATUS. MONROE'S STABLE CLEANING APPARATUS. vi 4A CAKE BAKED IN A HAT. Science Notes., scientific american, 1896-04-11

SOME NEW DETECTORS FOR WIRELESS TELEGRAPHY. scientific american, 1902-10-04

A NEW POTATO DIGGER. THE MANUFACTURE OF LARD. STRAIT'S POTATO DIGGER. Superb Photographs. Preservation of Rutter. - 4To Render Wood Incombn.tible and Impermeable. Mining Notes. J. WILCOX & COMPANY'S EXHIBIT AT THE PARIS EXHIBITION., scientific

358 RELATING TO PATENTS. A Heavy Forging., scientific american, 1864-06-04

SURFACE FILE HOLDERS. VIOLIN OUTFITS. Consisting ofVlolin fox Bow buying. Violin Outfits The George Place Machinery Agency ERIE PA. Portable Stationary Agricultural M1VG-Il‘TM03. The 1876 Injector. WM. SELLERS & CO. Phila. OLD ROLLED SHAFTING.

miniature specimen of a locomotive and tender com bined. It has but one driving wheel on a side and is capable of running forty-five or fifty miles an hour with a light train of course. It belongs to the New York and Erie Railroad was built we

scientific american, 1857-09-05

A Cocoanut Invention Wanted. A Torpedo Reminiscence. Improved Machinery for Making Twine and Cordage. Clean Cellars Necessary for Healthy Homes. 'I 40 Ow PROTECTOR FOR WATER CONDUCTORS. HeltninaA New Antiseptic. DECISIONS RELATING TO PATENTS. U. S.

IS A GOOD COMPANY TO INSURE IN. It is a Liberal and Progressive Company. usual losses no sudden depression in the prices of securities no panic no hard times nor all of these combined can so reduce its surplus as seriously to embarrass the Com pany.

Her dimensions are 146 feet over all; beam 33 feet; A HEAVY ELECTRIC LOCOMOTIVE. The Pennsylvania Railway Tunnels In New York. New Balloon Experiments of Count Zeppelin. volts he had to remain at a distance of 2614 feet. The Azure Sky—Its cause.

A Question in Physics. Reciprocating; Parts of Steam Engines. +ow Artificial Roman and Egyptian Stones., scientific american, 1871-03-25

POLARIZED LIGHT. POLARISCOPE FOR EXHIBITING WIDE-ANGLED CRYSTALS. LONGITUDINAL SECTION OF TUBES OF POLARISCOPE. CALCITE. NITER. QUARTZ. AIRY'S SPIRALS. QUARTZ POLARIZED CIRCULARLY. CALCITE HEMITROPE., scientific american, 1886-07-24

Zorreeporibence. Growth of the Eucalyptus. A Curiosity in Violin Playing. Sun Spots and Aurora. Wood World Waitiets. Quince Culture. Formaldehyde in Photo Gelatine. A Noble Gift to Lick Observatory. done in the dry air of Mount Hamilton., scientific

vention., scientific american, 1903-08-11

Completing Jerome Park reservoir. View of the New Croton Reservoir at Jerome Park, looking from gatehouse no. 5 toward Westerly Wall. A new milking machine. Scientific American, 1905-05-13

Chinese Chronology. Circumference of the Ellipse. Chimney Built Without a Scaffold. Pyroligneous Acid in Chimneys., scientific american, 1865-03-25

NO. 37 PARK ROW (PARK BUILDING) NEW YORK. Contents: DOUBLE PLOWS. THE UTILIZATION OF WATER IN ITS RELATION T PUBLIC HEALTH. THE AIR' FILTER., scientific american, 1872-04-27

The Saul double registering balloon. SOUNDING THE OCEAN OF AIR., scientific american, -1909-11-27

THE STANDARD COMPANY Torrington Conn. Buys This Rubber Tire Wagon Whitewash Your Buildings At Lowest Cost 'It Is Self Starting IT HAS GROWN UP WITH THE COUNTRY Underwood Typewriter keeps pace with the swift onward march of the times. Pro gressive and

The balloon house gas holder and gas house at Fort Omaha Neb. A POPULAR ILLUSt, scientific american, -1909-11-13

INSURANCE OR. DAMAGE T AND Val T PERSONS CALISEDBY SITAI1B04DLOSIONS TREAS. L.FAIDOLEBROOILABST FIVE POINTS OF EXCELLENCE WINTON MOTOR CARRIAGE “THIS WILL CARRY YOU' AUTOMOBILES ELECTRIC—GASOLENE f 420 Electric Vehicle Co. loo BROADWAY N. Y. 0267

TEMPORARY STEERING APPARATUS OF H.M.S. BACCHANTE. ISOIMPROVED SPRING BED. A Rocket Torpedo. Fired by Electricity. HEBERT'S SPRING BED. TEMPORARY STEERING APPARATUS OF H.M.S. BACCHANTE., scientific american, 1881-08-27

The Largest Saurian. Preservation of Telegraph Poles. ROW TO RE-BORE TEE ENDS OF 'STEAM CYLINDERS. Testing for Salicylic Acid. ASTRONOMICAL NOTES. Mercury. Venus. Mars. Jupiter. Saturn. Uranus. Neptune. 4 II PIN. A Good Word for the Crow. Indoline.

AN ADJUSTABLE VENTILATOR FOR WINDOWS. AN IMPROVED SAW-SHARPENER. Requisites of the Perfect Car Coupler. DEVICES CURIOUS AND INTERESTING. MILK-BOTTLE HOLDER. HILL-CLIMBING ATTACHMENT FOR SHOES. MARSH-SHOE, scientific american, 1901-11-09

RUBBER BACK SQUARE PACKING. BEST IN THE WORLD. WORTHINGTON STEAM PUMPS OF ALL SIZES AND FOR ALL PURPOSES. HENRY R. WORTHINGTON THEO. J. HARBACH 809 Filbert St. Phila. Pa. THE BLAKE 'LION AND EAGLE' CRUSHER LARGEST ESTABLISHMENT OF THE KIND IN THE

A NEW FORM OF TELAIITOGRAPH. BY DR. ROBERT GRIMBRAW. about ten seconds. Grzanna's telautograph in use. Fig. 2Arrangement of the mechanism at the The Cullinan Diamond Cut. Mechanical Stoking. G7A wimple of the work done by Grzanna's telautograph.,

19 Railways in Chili--American Engineers Abroad. Distress and Impending Famine in Ireland., scientific american, 1862-01-11

scientific american, 1862-05-24

A NEW ENGLISH OIL TESTING APPARATUS. CONSTRUCTION OF HOLLOW WALLS. Faraday's Success as a Lecturer. DOMESTIC WATER FILTERS. Improved Shovel Plow. 40I NEW APPARATUS FOB. MEASURING OIL. Manufacture of Tracing Paper With Petroleum. STEAM ENGINES AT THE

310 THE SCIENTIFIC AMERICAN., 1859-11-05

The 'Training of Teachers. 4A. Quick Trip from Japan. The Hydraulic Railway. THE WHITE STAR LINER TEUTONIC, scientific american, 1889-08-24

4n. The Rice-Paper Plant., scientific american, 1871-03-04

No. 87 Park-row (Park Building). New York. TERMS—Two Doi% s per annumOne Dollar in advance and the all the periodical stores in the United States and Canada. EinticiOn Low Son & Co. the American Bookseller. No. 47 Ludgate I.London England are the

Scientific American 77 Brooklyn Anchorage. The Arch 46 Feet Wide is Built to Provide Uninterrupted Street Thoroughfare. $. r Longitudinal Section of an Anchorage Showing Attachment of Cable to Anchorage Bars. and the magnitude of this work will be

THE SCIENTIFIC AMERICAN. 301 HAZLETT & HOBBS' COAL OIL RETORT., 1859-11-05

surance Company. Chloroform., scientific american, 1871-08-05

Redwood Pipe with Steel and Iron Elbows. THE CALIFORNIA REDWOOD IN MODERN ENGINEERING. Redwood Stave Pipe that has Supplanted an Irrigation Flume. CALIFORNIA REDWOOD IN MODERN ENGINEERING., scientific american, 1904-12-03

FOR THE HOLIDAYS BOUND VOLUMES American MUNN 0. COMPANY Publishers Scientific American Office FOR THE HOLIDAYS American 4to.x 13X inches. Illuminated cover and 275 Illustrations. 340 Pages. Price $10.00 By BARR FERREE Editor of American Homes and

scientific american, 1877-08-18

LIST OF BOOKS 10. Engineer Millwright. and Meehallic8'.p.00. The Practical Steam Engineer's Guide. In Pumping Engine and Steam Pump Construc 1al:71%1'1V ell CICZN Publishers of the 'Scientific American' 361 Broadway Now York. ELECTRICAL! THE SMITH

aPatent Department IMPROVED VEHICLE SPRING. CAR AXLE AND WHEEL. CAR AXLE AND WHEEL Brief Notes Concerning Inventions. CHECK ATTACHMENT FOR PULLEYS AND CHOCKS. ORE STAMP MILL. ORE STAMP MILL. CHECK ATTACHMENT FOR PULLEYS AND CHOCKS., scientific

THE OANAL OF SUEZ AND THE FUTURE OF EGYPT. Fasts about Varnishes., scientific american, 1869-11-27

Vol. LVIL—No. 19. THE RESEARCH LABORATORY OF MR. EDWARD WESTON. EXTERIOR OF MR. EDWARD WESTON'S RESEARCH ' LABORATORY NEWARK N. J. PHYSICAL LABORATORY AND DEPARTMENT OF GENERAL TESTING WORK. rooms in winter. photometer on which incandescent lamps

Declined., scientific american, 72-03-11

254 PENDING APPLICATIONS POR REISSUES. WOODWARD'S COUNTRY HOMES. Geo. E. Woodward Imitations of Oil Paintings., scientific american, 1867-10-19

THE ARMORED CRUISER BROOKLYN LAUNCHED AT PHILADELPHIA OCTOBER 2 1895. Ce) Cr;, scientific american, 1895-10-12

Our Anniversary. To Cotemporary Editors. The Atlantic Cable Laid The Economy of Nature. Unhealthy Positions of the Body. Durability of Pearls., scientific american, 1858-08-14

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