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A SIMPLE MOLD FOR COMPOSITION ROLLERS. The Height of South American Mountains. Trouble with Electric Cars in Corea. A SIMPLE TOOL FOR CUTTING PIPES. The Tuberculosis Congress. Russia Purchases Ameri can Machinery. 5 STOUGH'S MOLD FOR COMPOSITION

The Giaid Injector. Sulphuric Acid in Spring Water. Pure Silex or Silica. Seeing Air., scientific american, 1866-03-31

scientific american, 1871-10-28

scientific american, 1869-10-11

A PLEA FOR INVENTORS. HAP-HAZARD. MUNN & COMPANY Editors at Proprietors. Contents: GREAT IMPROVEMENT IN FEEDING ARMIES. IN England bean meal is extensively used for fatten ing hogs. THE CHENANGO BOILER EXPLOSION. THE DAILY PRESS AND MECHANICAL

Laying out a square corner. joists with eightpenny nails. The joists are 2 x 4 notched 1 inch as shown. it will be noticed that the first board of the sides nearest the house is notched all the way down to tit up snugly against the weather boards.

FOR ALL PURPOSES. E.GOULD'S SHAPER Machinery. SAFETY HOISTING OTIS BROS. & CO. THE IMPROVED Inventors' Union l73Greenwich St. New-York. MONEY Water Elevators. DROP PRESSES. m [ESTABLISHED 1846. STEAM ENGINES FOR SALE Address J. C. TODD. COLD ROLLED

IMPROVEMENTS IN SPINNING SPINDLES. IMPROVEMENTS IN SPINNING SPINDLES. BOTTLE-WASHING BRUSH., scientific american, 1902-08-09

iron forges more cheaply than in any other way. It is pulverized and mixed with sulphuric acid then heated in an oven to eliminate tie hydrated business at Georgetown D. C. and subsequently settled in business visits. In 1837 he took up his residence

26 Drainage of Lake opals. Ncientific atterican. Artificial Fossilization of Wood. MAP OF NEW YORK HARBOR SHOWING THE NEW 40-FOOT CHANNELS. Architectural Volumes. JANUARY 12 1901. The Parsons Steam Turbine. dERSE YN, scientific american,

THE HALPIN-SAVAGE TORPEDO. THE HALPIN-SAVAGE TORPEDO BOAT AND TORPEDO., scientific american, 1889-10-12

OPERCULUNS AND EYESTONES. BY A. W. ROBERTS. THE OCTOPUS. PECULIARITIES OF THE CEPHALOPODA. BY C. F. HOLDER., scientific american, 81-09-10

POCKET VOLTMETER AND AN ELECTRIC SOLDERING IRON. A WATCH VOLTMETER. An Intelligent Fish. Consumption of Rice in France. AN ICEBERG AT ST. JOHN'S NEWFOUNDLAND. AN ELECTRICALLY HEATED SOLDERING IRON. Parade of Automobiles. An American Bridge for Japan.

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted August 18 1891 AND EACH BEARING THAT DATE., scientific american, 1891-08-29

COMMUNICATIONS RECEIVED. ceipt of original papers and contributions upon the following subjects : Index of Inventions Letters Patens of the United States November 25 1873 EXTENSIONS GRANTED. SCHEDULE OF PATENT FEES. CANADIAN PATENTS. 0W TO OBTAIN

IMPORTANT TO INVENTORS., scientific american, 1859-10-15

1, scientific american, 1891-07-04

DECEMBER 13 1873.1 37 I FLAX AND ITS PREPARATION. THE OREODOXA REGIA PALM. Property in Patents. Slag as a Building Material. THE OREODOXA REGIA PALM TREES., scientific american, 1873-12-13

THE JAITRERT METHOD OF PRODUCING OXYGEN GAS. ing apparatus has been EXPERIMENT OF KEEPING ANIMALS ALIVE WITH THE JAITRERT CONTINUOUS PROCESS OXYGEN APPARATUS., scientific american, 1902-09-27

before known and used and if the epindie and shank and ingenuity which constitutes essential elements of, scientific american, 1860-12-22

DECEMBER 23 1882. jrcitutifir lkitterican. Improved Polyoptieon. Improved Animal Trap. Suit Hanger. Falling from Heights. The Discovery of Grape Sugar. Overproduction of Lead. 41.1 Commercial Effects of the St. Gothard Tunnel. Ice Houses and Ice

WEEKLY. Vol. LXVINo. 14.1 THE HACKENSACK WATER COMPANY. WATER SUPPLY SYSTEM OF THE HACKENSACK N. J WATER COMPANY., scientific american, 1892-04-02

Scientific lIntrican. 267 Damp Winds of Buenos Ayres. GILROY. American Rural Life. French System of theOrganization of, scientific american, 1848-05-13

llENDE Ferree lasuriant Mustache Wine. Amer belr on bald wade in 20 t APPARATUS FOR ELECTRICAL MEAS PERFECT NEWSPAPER PILE The Koch Patent File for preserving newspapers every one who wishes to preserve the paper. Address MUNN & CO. Publishers

Technical Teaching in England. RECENT INVENTIONS. IMPROVED INVALID BED. IMPROVED TWEEZERS. DAVIS' INVALID BED. Apples for Cows. --.46 4I. IN IMPROVEMENT IN THE .MANUFACTURE OF TWEEZERS. Improvement in Teaching Deaf Mutes. Large Sugar Refinery.,

INPEOVED PLOW. IRON SHIP CONSTRUCTION. THE UNIVERSAL STANDARD PLOW., scientific american, 1873-06-21

Model G $2000 POCKET STEEL TAPES Send for catalog of Motor Boats—Marine Engines —Row Boats—Hunting and Fishing Boats. isfoliCt THESE THRE FORMS, scientific american, 1908-03-07

ANIMAL MECHANICS. A LEAPING. PULLING., scientific american, 1878-12-28

scientific american, 1865-01-02

RUBBER BELTING PACKING HOSE. Rings Car Springs Wagon Springs Wringer Rolls Crain Drill Tubes Corrugated Steam Packing Piston Packing Leading Hose Steam Hose Suction Hose Pump Valves Ball Valves GUTTA PERCHA & RUBBER M'F'G CBOOKS ON BIJILDINGPAINWNG

RECENT AMERICAN PATENTS., scientific american, 1865-12-16

THE JAMAICAN EARTHQUAKE. METHOD FOR ELECTRO-DEPOSITION AND SEPARATION. BY EDWARD C. BROADWELL., scientific american, 1907-01-26

Deck Plan of “Maine' Showing Armor Screens: Battleship 'King Edward.' Displacement 16850 Tons. Designed 1901-2., scientific american, 1908-01-25

Completion of the Greatest Literary Undertaking Ever Attempted in America The Most Magnificent Scholarly Original Practical Work of Reference in Existence Absolutely Without an Equal in the English-Speaking World EDITORIAL STAFF Some Facts Concerning

Lecture at Sea by Agassiz. Lasches Improvement in Decorative Oil Painting. New Railway Bridge at Albany. Housatonic River Bridge. facturers. What one Firm has Done others may Do., scientific american, 1872-02-10

THE TESTING OF A LOCOMOTIVE., scientific american, 1908-02-22

this office and from all newsdealers. 45000 SOLD. To work Car Siding Flooring Ceil ing and Ship Lap; t Mould Doors Sash and Rerun .1. Shiner & Sone Centre St. Milton Pa. for Schools. Quality war-. ranted. prices low corres pondence invited. Shingle

CIENTIFIC MERICAN, scientific american, 1907-02-02, a coal bagging lighter for coaling war vessels

VEHICLE PLATFORM GEAR. HOLMAN'S VEHICLE ° PLATFORM GEAR. VERTICAL CHUCKING MACHINE. Protection against Yellow Fever. Oil Albuminold Matter and Starch from Corn. HORSE DETACHER. KEENAN & GARDNER'S HORSE DETACHER. Musical Fishes. Determination of the

EXPERIMENTS IN PNEUMATICS WITH A STEAM VACUUM. BAROMETER AND MERCURY COLUMN. EXPERIMENT WITH BALLOON. Transparent Paper. FOUNTAIN IN VACUO. 18, scientific american, 1886-10-02

scientific american, 1859-12-17

MARCH 2 1895. BOSTON COMMONWEALTH. Latest News From Mars. CLOUD PHOTOGRAPHY. Riding a Wheel. ARRANGEMENT OF THE BICHROM ATE CELL. NEGATIVE TAKEN THROUGH EICHRONATE CELL., scientific american, 1895-03-02

Food and Drink for the Sick. often relieve wnen all other measures have_failed Pineapple Cultivation in Florida. Utilization of Salt Water. what can be done elsewhere., scientific american, 1895-07-13

MOUNTING THE 12-INCH GUNS OF THE 'CONNECTICUT.' 1 2-Inch Gun Being Transferred from Floating Crane to the Ship. MOUNTING THE 12-INCH GUNS IN THE FORWARD TURRET OF THE BATTLESHIP ' CONNECTICUT., scientific american, 1906-03-24

JAN. 26 1867, scientific american, 1867-01-26

NOVEMBER 30 1872. REMARKABLE STRUCTURES OP THE ANCIENT AMERICANS. ertOries above each other forming a huge rectangular structure -Decisions of the Commissioner of Patents. Improvement in Lubricators. Woven Wire Mattresses. Tubular Legs for Portable

THE SUN. tAt : 4, scientific american, 1878-07-20

scientific american, 1881-11-11

Prime Movers and Their Accessories. Design. RECENTLY PATENTED INVENTIONS. Pertaining to Apparel. Of Interest to Farmers. Of General Interest. Hardware. Household Utilities. Special Written Information on matters of personal rather than general

KREMENTZ BUTTON Krementz Se Co. 77 Chestnut St. Newark N.J. nu USE GRINDSTONES P Para Throe it Aw PREPARED Cadillac Motor Car Company - Detroit Mich. HUNTING FISHING -CAMPING iianmeadipon. N. V. Honk With Your Foot, scientific american,

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Passage of Gases in the Body. Improvements in Steam Navigation. Sternberg's Eleetro-Blagnetie Regulator for Damp ers and Valves. Hirn's Telodynamie Cable.

For all clubs of Twenty and over the yearly subscription is only $2 00. Names can be sent in at different times and from differen Post-offices. Specimen copies will be sent gratis to any part of the country. West rn and Canadian money or Post-office

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. [NEW SERIES.] j RAILROAD BUILDING ON THE BANK OF THE HUDSON. STORM KING. DUNDERBERG DIOUNTAI FOOT OF COZZENS. FORT MONTGOMERY. ROCK WORK ON NEW YORK WEST

WHIRLPOOL RAPIDS., scientific american, 1901-09-28

rientific Anterian. THE LEVITT-MULLER ELECTRIC LIGHTING SYSTEM AND MULTIPLE CIRCUIT DYNAMO. -44P 44It II Treatment of Scars of the Face. MULLER DYNAMO., scientific american, 1882-08-19

scientific american, 1859-11-19

A VARIABLE SPEED POWER CLUTCH. RESTORATION OF THE OLYMPIAN STADIUM. The Alps of Japan. REVIVAL OF THE OLYMPIAN GAMES IN GREECE—RESTORATION OF THE ANCIENT STADIUM., scientific american, 1896-01-11

BORN BLIND AND DEAF. BY DANIEL C. BEARD. Removal of Grease Spots. Chicago's Manufacturing Industries., scientific american, 1880-12-11

INDEX OF INVENTIONS Letters Patent of the United States were Granted In the Week ending AND EACH BEARING THAT DATE. SCHEDULE OF PATENT FEES. CANADIAN PATENTS. LIST OF PATENTS GRANTED 4 CANADA U. S. Chain pump bucket. May 15 1875. Back rage81.00 a

THE PROTECTION OF PROPERTY. .-40-s REPORT OF THE REGENTS OF THE SHITHSONIAN INSTITUTE. THE RATIONAL CONSTRUCTION OF HOSPITALS. 40P. SOLAR SPOTS. Contents :, scientific american, 1869-11-20

A Powerful Spectroscope. Lighting the Capitol by Electricity. Purification of Water. 04 Welding of Nickel and Cobalt to Iron and Steel. Advice to Bathers. ANCIENT KEYS. Economical Steam Engine. On Public Speaking. A Long Trance. KEYS FROM THE MUNICH

SCIENTIFIC AMERICAN SUPPLEMENT No 1045. For the Week Ending; January II 1896., 1896-01-11

scientific american, 1867-10-12

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES STATE STREET STATION SHOWING THE ROTARY TRANSFORMERS THE SWITCHBOARD AND THE STORAGE BATTERIES. Vol. LXXVIINo. 15., scientific american, 1897-10-09

NEW YORK BELTING AND PACKING CO. Oldest and Largest Manufacturers in the United States of RUBBER BELTING PACKING AND HOSE Mats and Matting and Stair Treads 8d.c. Joshua Rose's Great Treatise on Steam Engines. HENRY CAREY BAIRD & CO. HASWELL'S

The Acetylene Gas Hazard. Technical Education in Germany and America. RECENTLY PATENTED INVENTIONS. Bicycle Appliances. Mechanical Contrivances. Miscellaneous Inventions., scientific american, 1898-07-11

316 entific latrican. Luminescent Electric Lights. Manufacture of Aluminum. REOEN'TLY PATENTED INVENTIONS. Railway Appliances. Mechanical. MECHANICAL MOVEMENT. — Isaac S. Electrical. Agricultural. BAND CUTTER AND FEEDER FOR Miscellaneous.,

emmisms ANTIDOTE FOR CHOLERA. RECOMMEND IT TO THE MEDICAL PROFESSION. THE DUFFY MALT WHISKEY CO. BAlTIMORE MD. U. S. A. Upright Drills ALL Ohio. LAST CHANCE YOOD VORKI 6NCH I rt Warronred Wfe FRICTION CLUTCH Pulleysand Cut-ofrCouplings. VIOLIN

INDEX OF INVENTIONS United States were Granted April 3 1888 AND EACH BEARING THAT DATE., scientific american, 1888-04-21

consisting of 22 cells the whole weighing 1500 pounds. The total weight of the vehicle is 5500 pounds and the maximum speed is 9 miles per hour. Of course the stage is small and is not exactly what would be used on the line but it is sufficiently

THE COMING NAVAL REVIEW. The American Silk Industry. the back numbers sent them on signifying such wish. Their subscriptions will then expire with the year. How Fires Affect People.4S of much good., scientific american, 1893-03-11

IAN INEXPENSIVE INDEX PLATE., scientific american, 1887-09-17

THE FUR SEAL. BY DR. BENJAMIN SHARP ACADEMY OF NATURAL SCIENCES. Fig. 3. A LUMP OF IRON ORE 20 PER CENT OF IRON. A BRIQUETTE 68 PER CENT OF IRON. -1 .00le Ar el .r SEAL FISHERIES PRIBYLOV ISLANDS-BACHELORS ON THE BEACH-ST. PAUL IN THE BACKGROUND.,

OOD WORKING EMPIRE FORGES-THE BEST. KNOW THYSELF. a Barometer and Ther SEND FOR THE BEST BAND SAW BLADE ORGAN SIE13$M MAHOGANY CUT THIN LUMBER. GEO. W. READ & CO. BEECHER & PECK BINIDpR., scientific american, 1880-10-23

A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XI--No. .t Arrangement for Cross-cut Saws. Novel Means for preserving Fruit. How to dry Sweet Corn., scientific american, -09-10

THE AMERICAN ASSOCIATION AT ST. LOUIS. FACADE OF THE DASR SECTION AT THE PARIS EXHIBITION. AMERICAN PLOWS IN FRANCE. American Institute Exhibition. Prize for an Invention. Fish Culture in Wisconsin., scientific american, 78-09-14

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the May 23 1893 AND EACH BEARING THAT DATE. 820, scientific american, 1893-06-03

INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending AND EACH BEARING THAT DATE. English Patents Issued to Americana., scientific american, 1882-04-08

A JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS AGRICULTURE CHEMISTRY AND MANUFACTURES. IMPROVED MOLDING MACHINE., scientific american, 1859-11-19

[MAY 13 1882. IMPROVED SHEEP SHEARS. t IMPROVED FRUIT EVAPORATOR. Stanley in Africa. MANN'S SHEEP SHEARS. New Process for Preserving Iron. Is the Human Skull Becoming Thinner ? THE AMERICAN FRUIT EVAPORATOR., scientific american, 1882-05-13

Atmospheric Changes at Nice. PORTABLE BARN. Sewerage for a Town of 10000. SPRING SEAT FOR WAGONS. The Mosquito's Instrument of Torture. Changeable Signs. LUMBER GRADER'S COMBINATION TOOL. CALL'S LUMBER GRADER'S COMBINATION TOOL. KEYS & SLAUGHTER'S

OH Wells and their Products. KRUPP'S ELECTRIC LANE Infusion of Borsechestnut in Rheumatism. Ancient Memphis. A Tribute to Cyrus H. McCormick., scientific american, 1879-06-28

Toepler-Holtz Electrical Machine. WALWORTH MFG. CO. 20 Oliver St. Boston Mass U. S. A. LATHES GUNSMITHS TOOL MAKERS EXPERI WORK ETC. W. F. & mo. Barnes Co. 650 Elston Ave Chicag U S. A. STEAM . . PHYSICAL AND SCHOOL APPARATUS INDUCTION ROCK DRILLS

83 MISCELLANEOUS Sind:KART PUBLISHER'S CARD. —PART OF AN EDITION OF THE 'SCIENTIFIC AMERICAN' DESTROYED BY FIREBy Business Failures during the Year 1863. HOW TO MAKE YELLOW BUTTER IN WINTERA COW COFFEE AND TEA CULTURE IN CALIFORNIAThe, 1864-02-06

RESIDENCE OP MR. DOUGLAS SLOANE AT PORTCHESTER N. Y. Patents and Monopolies. The Deadly Tape Worm., scientific american, 1890-06-28

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. IMPROVED MACHINE FOR STRINGING TOBACCO LEAVES. IMPROVED MILLING ATTACHMENT FOR LATHES. STRASSER'S MACHINE FOR STRINGING TOBACCO LEAVES. MAIN'S MILLING

[MARCH 30 1872. 214 0 1 1 Earth Boring Anger. MELENDY'S DOOR FASTENER. SILZ'S EARTH BORING AUGER. Prizes for Chemical Inventions. alb BEACH'S SPIRAL SPRING SCROLL SAWING MACHINE., scientific american, 1872-03-30

AN ALL-IRON GARDEN HOSE REEL. AN IMPROVED FILE CASE. Purification of Yeast. A CLAMP TO FACILITATE HANGING WALL PAPER. AN IMPROVED WIRE BOX STRAP. A WINDOW STAND FOR FLOWERS ETC. AN IMPROVED WEATHER STRIP. REDMAN'S WEATHER STRIP. IMPROVED WIRE BOX

scientific american, 1908-06-20

POPE MFG. COMPANY Bicycle Innovations WONDER of the AGE FOOT AND POWER 'STAR' LATHES THE SENECA FALLS MFG. CO. TWO-SPEED GEAR AND NEW COASTER BRAKE WALTHAM MANUFACTURING CO. Orient Buckboard CHARTER Coals of Arms What Is Daus' Tip-Top ? M . Bausch &

Daym an Cultivating and hoeing first year. Cultivating and hoeing second yeas1 Harvesting an average crop1 14 Assorting handling and boxing Total number of days per acre 55‘ 26.q TEE STEAM BOTLEB ASSURANCE COMPANY. [Prom the London Engineer.)

ELECTRICA MATTING KNOW THYSELF. A GREAT MEDICAL WORK ON MANHOOD. A Tools and Supplies. OLD ROLLED SHAFTING. J. J. WATROUS 218 Race St. Ceti 0. MUNN & CO. ECONOMIC MOTOR CO.'S GAS ENGINES. ECONOMIC MOTOR CO. 9 CORTLANDT STREET NEW YORK NEW YORK

LIST OF PATENT CLAIMS Issued from the United States Patent Office. &o. DESIGNS. Practical Remarks on Illuminating Gas. J B. B. Treatment of Children in Public Schools., scientific american, 1851-07-05

APRit 10 t96). LUMIN03 A. L. SALOMON & CO. 343 Broadway New YorkYou Don't Want T BUCKEYE MANUFACTURING CO. 1814 Columbus Ave. Anderson Ind. giant GASOLINE MOTORS .ashes Tom bon I die gistit--takm up mem of is dwarf.w (red leked:1g desks velMb.

THE GREGORY AUTOMATIC MILLING MACHINE. A NEW AUTOMATIC MILLING MACHINE. A Curious Manufacturing Establishment. The Armies of Europe. Experiments in Military Ballooning., scientific american, 1897-04-17

RECORD OF AMERICAN AUTO SHOWS. to the American automobile industry. SCIENCE NOTES. estimated to have weighed 2000000 tons., scientific american, 1902-04-19

A POPULAR ILLUSTRATED WEEKLY OF THE WORLD'S PROGRESS 0 CENTS A COPY, scientific american, -1909-12-18, the enormous crops of 1909

THE TRITLUDT RACER. It should be noted that tilts Truffault automobile FRONT END OF TRUFFAULT RACER. Japan's Iron Industry. Btu Oil Fleet. An Alaskan Oil Well. THE TRTIFFATILT RACER., scientific american, 1902-10-11

IMPROVED CONSTRUCTION OF CONSERVATORIES. A Chance for ice Machines. WASPS. A MODEL CURVILINEAR GREENHOUSE. The Effect of Waves. Disinfection for Yellow Fever.IThe Microscope Again a Detector of Crime., scientific american, 1876-03-04

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broadway. New York BEARING OF THE SOO CANAL ACCIDENT ON PANAMA. disaster. QUEENSBORO BRIDGE A SAFE STRUCTURE., -1909-06-26

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