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84 tentific Ametican. OBSERVATORY OF VASSAR COLLEGE. Position of Planets for February 1873. Mercury. Venus. Mars. Saturn. 17ranus Neptune. Occultations. Sun Spots Aurora. Meteorological Items. PLUMBAG BLACK LEAD GRAPHITE. comes in its original state

MUNN & COMPANY of tbeir charge is generally left dependent upon the final result. 48779Machine for Skinning Vegetables. Oscar Hase Mecklenburg Schwerin Germany : claim the combination in a vegetable or fruit skinner of a stationary We claim the

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broa.dwa.y. New York One copy one year. to any foreign country. postage prepaid. £0 14. ad. 4.00 will receivespecial attention. Accepted articles will be paid for at regular space

High Capacity. Light Weight. PATENTS SCIENTIFIC AMERICAN Would You 'Make the Round Trip' Without Uncertainty? Hildreth Maine Motors 'SHOW YOU' THE HILDRETH MFG. CO. almer Motors Portland Me.: Portland Pier Instructive Scientific Papers ON TIMELY

Ventilating Our Homes. Easy Experiment in Chemistry. 4Underpinning of Houses. METHOD OF PRODUCING DESIGNS ON WIRE CLOTH. COLQUITT'S TOBACCO PIPE., scientific american, 1889-02-09

PHOTOGRAPHIC LENS WITH TELEPHOT ATTACHMENT. Breathing Valves of Fishes. Work on the Public Library. A HOTEL IN MAINE PHOTOGRAPHED WITH ORDINARY LENS. I . PHOTOGRAPH OF SAME BUILDING FROM SAME POINT WITH TELEPHOTO ATTACHMENT DISTANCE NEARLY TWO

COMMUNICATION RECEIVED. Letters Patent of the United States were Granted in the Week Ending AND EACH BEARING THAT DATE., scientific american, 1881-07-16

Indian Horsemanship. British Frozen Meat Imports. New Steel Casting Process. A New Constituent of Tea. An Interesting Trade Mark Decision. Artificial Mica., scientific american, 1888-08-11

all and have a large stock of S end for a Catalogue t AGENTS WANTED. furnished. Business pleasantand honor card on which to send your address FM. REED Ern ST NEW YORK. A WEEK to Male aria r emale Agents. In their locality. Costs NOTHING to try if.

THUM= WROUGHT PATENTEES The Plate Is 22a36 inches THE AMERICAN FAMILY American Knitting Machine Company OTIS BROTHERS &CO. LIME EXTRACTOR BOILER SUPPLY SHEET IRON. NEW YORK P. 0. Box 5712 New York. UNION STONE CO. Excelsior, scientific american,

scientific american, 1862-05-24

Improved Brick Molding Machine. The Gordlus or Hair Worm. SMITH'S BRICK MOLDING MACHINE. Novel Application of Elec tro-Magnetism., scientific american, 1867-11-02

THE REGAS AIR-COOLED AUTOMOBILE.THE NEW FRANKLIN TONNEAU. THE MITCHELL AIR-COOLED CARS. THE PRIZE-WINNING MILITARY TRACTOR OF THE BRIT:SH WAR OFFICE. _ . Formetal—A New lilcial Possessing Great Resistance to Rupture. THE MITCHELL. AIR-COOLED

HELL CENTRAL!. RECORD KEEPER-INVALUABLE TO ALL KINDS L.MANASSE STEREOPTICONS Lantern Slides WE ARE MAKERS (AcIntosh Battery & Optical Co. . . CHICAGO . . MUNN & CO. Publishers Office of the SCIENTIFIC AMERICAN 301 BROADWAY NEW YORK. We guarantee our

VALE'S GLOBE AND SPHEPE. A Lovely Sight. Song. eat Profound and Long-Expected Inventors and Inventions. Magnetic Telegraph. Electric Velocity. 'Mind Your own Business?' Quench not the Spirit. etAre.w.- Th A Duty for All., scientific american,

scientific american, 1860-02-04

scientific american, 1864-05-07

Entered at the Post Office of New York. N. Y. as Second Class Matter A A $3.20 per Annum. Vol. XLIIINo. 15. [Now sEums.1, scientific american, 1880-10-09

ANCIENT AND MODERN WEAPONS OF WAR., scientific american, 1863-04-04

A NEW SYNCHRONISM INDICATOR FOR ALTERNATORS. A New Elertromobile Record. DIAGRAM OF CONNECTIONS OF SYNCHRONIZER AS INDICATOR. USED BY NIAGARA FALLS POWER CO. NEW ATLANTIC TYPE OF PASSENGER LOCOMOTIVE ON THE PENNSYLVANIA RAILROAD. Fig. 3. Fig. 4. Fig.

THE LATEST GREYHOUND OF THE ATLANTIC. THE KAISER WILHELM DER GROSSE. THE BRONZE PROPELLERS OF THE KAISER WILHELM., scientific american, 1897-10-09

scientific american, 1861-08-31

Industrial Publishers Booksellers and Importers address. TO INVENTORS PiND MANUFACTURERS American Institute of the City of New York LANTERN8 KEEP COOL: Mu .01 $3 GEO. P. CLARK BLOW-PIPE AND ASSAY FURNACES. DIAMONDSandCARBON J. DICKINSON 64 Nassau

Vol. x XxvIII. No. 10. (NEW SERIES. THE HAT CONFORMATOR AND ITS DIAGRAMS. THE HAT CONFORMATOR., scientific american, 1878-03-09

THE UTILIZATION OF WATER POWER. COPYING CAMERA HOLDER. Fast Trains. AN IMPROVED HANGER. A Famous Inventor and His Patents. lieving that it would. As you know HAMILTON'S VENTILATING BLOWER. HAMILTON'S ROTARY BLOWER. 4-4 Fighting Mice with a Bacillus.

Spring motor governor E. R. Johnson Sprinkler head C. Andrews Sprout puller W. Waddill Squib J. T. James Stage pocket J. I. C. King Stand R. P. Norton, scientific american, 1902-01-11

No. 361 BROADWAY NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. 83 00 The Scientific American Supplement Building Edition. Spanish Edition of the Scientific American. Contents. SCIENTIFIC AMERICAN SUPPLEMENT For the Week Ending February 15 1890.

TO CORRESPONDENTS. An Important Paragraph. Sending Recelpts.Postage on Books. Back Numbers and Volumes. Terufs of Advertising. American and Foreign Patent Agency L'ACEISIOR SAND AND EMERY PAPERSTOHOST'S PATENT SLIDING DOOR FRONT '1IDROFESSOR ALEX. C.

THE EARTHQUAKE. NW-0, scientific american, 1870-10-29

CONSULTATIONS AND OPINIONS FREE. TO APPLY FOR A PATENT PRELIMINARY EXAMINATION COST OF APPLICATIONS. Without Extra Charge to the Applicant. REJECTED CASES. CAVEATS REISSUES DESIGNS TRADE MARKS AND COMPOSITIONS INTERFERENCES FOREIGN PATENTS.,

132 Electrical Notes. The Cause of Trees being Struck by Lightning. Explosion of War Ship's Boiler. IMPROVED TRIPLE EXPANSION ENGINES. IMPROVED TRIPLE EXPANSION ENGINES., scientific american, 1894-03-03

THE SEWAGE DISPOSAL PROBLEM. The Mexican Tuna. Egyptian Discoveries. Albumen Transparencies. A Spider-hunting Wasp., scientific american, 89-09-14

SEA STRENGTH OP THE NAVAL POWERS. 4, scientific american, 1905-07-08

Reclamation. Lathe Attachment for Centering and Squaring. NEWELL'S LATHE ATTACHMENT FOR CENTERING AND SQUARING .00 their Friends., scientific american, 64-12-24

ratus, scientific american, 1881-12-31

700-FOOT FLOATING DOCK AT SOUTH BROOKLYN. THE ENGINES OF THE TORPEDO BOAT DESTROYER ' VIPER.' RY DOCK. THE STEAM TURBINES OF THE 353-KNOT DESTROYER 'VIPER.' MAXIMUM INDICA TED HORSE POWER000., scientific american, 1900-04-21

sae A New Enameling Process. Cotton Gunpowder. THE AMERICAN CRANE. The Momentum of Heat. Sound., scientific american, 1875-03-20

THE FATAL BALLOON Piracy on a Railroad. Fig. 2SIVEL'S SOUNDING BALLOONS. Steam Launches for Yachts. Glycerin as an Illuminating Material. Fig. ITHE BALLOON 'ZENITH., scientific american, 1875-06-05

scientific american, 1866-02-11

IMPROVED GRINDING MILL. A NEW RAILROAD TIE. WALLING'S IMPROVED MILL. ENGINEERING INVENTIONS. REESE'S RAILROAD TIE., scientific american, 1879-08-09

scientific american, 1903-03-28

THE MILITARY RAILROAD SYSTEM OF THE UNITED STATES. LOCOMOTIVE AND MACMINE DEPARTMENT. MACHINE SHOP. BLACKSMITH SHOP THE CAR DEPARTMENT. COL CRANE., scientific american, 64-12-03

178 MARCH 25 1882 NEW RAILWAY TRACK GAUGE MID LEVEL. Clearing a Tunnel of Smoke. Postal Parcels in France. 4 I IMPROVED GATE. Electrical Progress in Vienna. The Converting Power of Malt. New Attachment for Vises. PRESTON'S IMPROVED GATE. The Latest

Photograph enlargements PRICE 10 CE1V1'S PER NUMBE.R. MUNN & CO. 361 BROADWAY NEW YORK IN ORDERING PLEASE GIVE THE NUMBERS., scientific american, 1884-12-06

Life at the Oil Wells. B171UETT'S TRAVELING CRANE. How to Count Rain Drops., scientific american, 1865-03-25

THE ADVOCATE CF GUYON'S ‘tSOMPOUN1 LEVER PRESS. SCIENTIFIC AMERICAN: By Munn & Company. the remainder in 6 months. POETRY. AFAR FROM THE WORLD. 'THE LEG I LEFT BEHIND ME.' North River Traveling. Phonography. Astronomical. A Western Introduction.

Professor Haeckel on the Origin of Man. Positions of Planets for June 1873. Mercury. Venus. Marc Jupiter. Saturn. Uranus. Neptune. Spots on the Sun. Meteors. Eclipses and Occultations. Auroras. Thermometer. Transmission of Light. The Million Dollar

394 American Association for the Advance ment of Science. LITERARY NOTICES. Scientific anurican. . 'NAV, scientific american, 1850-08-31

Week ending June 4 1881. PERPETUAL MOTION DELUSIONS. POLARIZATION OF SOUND. ELECTRICAL PAPER. The East River Bridge. Flowers about Railway Stations. The Pepsine Treatment of Tapeworms., scientific american, 1881-06-04

A NEW SODA-WATER MACHINE. Cost of Warship Con struction. AN ELECTRIC ORE-REDUCING APPARATUS. 4 become a law. FILLING A BOTTLE FROM THE SODA-WATER MACHINE. DETAILS OF THE SODA-WATER MACHINE. THE RUTHENBURG APPARATUS FOR AGGLOMERATING AND REDUCING IRON

scientific american, 66-09-08

THE CORROSION OF A BOILER TUBE. How Worry Affects the Brain. WINSOR MAIL CATCHER AND DELIVERER. THE CORROSION OF A BOILER TUBE. A Carthaginian Mask. RAILWAY MAIL CATCHER AND DELIVERY DEVICES. HAIL BAG IN POSITION AT STATION TO BE TAKEN BY APPROACHING

THE SEWERAGE SYSTEMS OF SYDNEY AUSTRALIA. Ad SKETCHES OF THE SEWERAGE SYSTEMS OF SYDNEY N. S. W., scientific american, 1892-07-16

MARCH 23 1895. RECENTLY PATENTED INVENTIONS. Railway Appliances. MAIL BAG CATCHER AND DELIVERER. Mining Etc. Mechanical. Agricultural. Miscellaneous. NEW BOOKS AND PUBLICATIONS. BUILDING EDITION. MARCH 1895.-(No. 3.) 861 Broadway New York. INDEX OF

VELOCITY OF NERVE FORCE. Aut Locomotive Engines. o-sas The Phenomena of Supersaturation. , scientific american, 1868-11-18

scientific american, 1869-02-11

L. L. SMITH 6 Howard st. New York. Nickel later. be prosecuted. 2d-Hand Machinery for Sale Cheap. London45-Cannon street. STEAM ENGINES INDICATED. The Tanite Co. Tanite Emery Oil Stones. Tanite Co.'s Patent Emery Grinders Tanite Co.'s Saw Gummers.

gorropondract. The Relative Efficiency of Engines and Boilers. Administrative Reform In the Patent Office. able to proem itI postponed the experiment. I afterwards Curious Instance of Atmospreric Refraction. The Utilization of Coal Duet. The Canal

THE GOLD FISH APPEAR AND DISAPPEAR AT THE TOU A PUZZLING DISPLAY BOX. BY FRANK C. PERKINS. INTO THE OTHER. A TRICK WITH TOURMALINE. RICA STATE COLLEGE. SECTIONAL PLAN VIEW OF THE ILLUSION BOX The invisible printing Is read easily through what appears

tailors' for each man knows his own particular branch BY THE ENGLISH CORRESPONDENT OP THE SCIENTIFIC AXERICAN. reconnoitering. In view of this awakened interest and, scientific american, 1904-05-21

19 0 6 Always Right DETROIT AUTO MARINE CO. CHARTER Gasoline Gas Kerosene. State Power Needs. CHARTER GAS ENGINE CD. Box 148. STERLING ILL Bausch ô Lomb Optical Co. NEW YORK CHICAG ROSTON SAN FRANCISCO FRANKFORT A MA GERMANY The Modern STEAM USERS

IKON TIM OTIAM FR15 JOHN A. GNAT. IV, scientific american, 1862-04-26

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted In the Week Ending AND EACH BEARING TRAT DATE. English Patents Issued to Americans., scientific american, 1879-09-20

SEARFOSS'S PATENT PORTABLE 'MILL. GETCHELL'S PATENT CAPSTAN., scientific american, 1863-04-11

scientific american, 1865-10-28

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS tHEMISTRY AND MANUFACTURES. BRIDGE WITH MOVABLE FLOOR SYSTEM. -OP 40BRIDGE WITH MOVABLE FLOOR SYSTEM, scientific american, 1885-01-24

Combiaed Moulding. tailing Machine. Machinery. U.S. Plano Co. 8 10 Broadway N.Y. Canadian Patents. Copies of Patents. 37 Park Row New York. Inside Page75 cents a line. BAIRD'S Liberty et. Now York., scientific american, 1873-09-20

Glass Plates Cost Half the Price of Films. The Adams & Westlake Co. 108 Ontario St. Chicag SIMPLEz-ke LI1 CAW UTA.W FABER Manufactory Established 1761. Manufactory Established 1761. 35 38 1057. 64 1071 1072 1082 1083 84. 1085 86 4 24. 32. HOUSE

INVALIDITY OF STATE LAWS REGULATING THE SALE OF PATENTS. Improvement in Pencils. Germano Sommellier. PATENT OFFIOE DECISIONS. Examples for the Ladies., scientific american, 1871-08-26

EXPLOSION OF DYNAMITE AT THE RAPID TRANSIT SUBWAY. Looking South on Park Avenue. Cross Indicates Location of Dynamite. DYNAMITE EXPLOSION ON RAPID TRANSIT SUBWAY., scientific american, 1902-02-08

Automobile News. The Current Supplement. Engineering Notes., scientific american, 1903-09-26

Improvement in Power Punching Presses. Singular Preservation. Workingmen as Students. The West Side Elevated Railway. STILES' PATENT IMPROVED PUNCHING PRESS., scientific american, 1868-11-04

IMPROVEMENTS IN THE CABLE RAILWAY OF THE NEW YORK AND BROOKLYN BRIDGE. THROUGH VISE GRIP. Fig. 7SECTION THROUGH SHEAVES., scientific american, 1888-07-21

IMPROVED POST DRIVER. REISOR'S IMPROVED POST DRIVER. 4 LIFTING SACK. CHURCHILL'S LIFTING JACK. NI 14. A Remarkable Artesian Well in Iowa. Pasteur's Treatment for Rabies. Fig. 3. FACING FOR A LEFT FIELD HIT. Fig. 2. FACING FOR A RIGHT FIELD HIT.,

THE BUCKEYE AUTOMATIC STEAM ENGINE. Fig. 3 New Inventions Fig. 1THE BUCKEYE AUTOMATIC STEAM ENGINE., scientific american, 1878-05-18

THE LYONS EXPOSITION ELEVATED RAILWAY. P The Plarinonl Press. THE LYONS EXPOSITION ELEVATED 'RAILWAY. So. IMPROVED BLAST FURNACE. Twenty Dollar Tea. LIG NITE. XHER FOR THE USE OF N'S BLAST FURNACE, scientific american, 1873-01-11

Orarretivondextre. More Curiosities of Numbers. Railway Accidents. Lobsters on the Pacific Coast. BY ARTHUR INRERSLEY. The Cowper-Coles Process of Making Tubes and Sheets Directly from the Ore by Electro-deposition. also exhibited., scientific

grrientifir lmerion. 12 INDEX OF INVENTIONS Getters Patent of the 'United States were Granted in the Week Ending AND EACH BEARING THAT DATE. English Patents Issued to Americans., scientific american, 1880-07-03

A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. (NEW SERIES) ) I (IN ADVANCE.) Improved Separator and Thrasher. PELTON'S THRASHER AND. SEPARATOR. A STONE FALLING THROUGH THZ EARTH. late back and forth

A World Beater at the Price 'thirty' that compares with the Lambert '30' at the price. If you want a good car at about this price it makes no difference how many other cars you may look at. If you see and drive the Lambert '30'- friction-driven

AUGUST 25 1894. Mirror Writing. OGDEN'S MARINE VELOCIPEDE OR BICYCLE BOAT. SIR A. H. LAYARD G.C.B. SIR AUSTEN HENRY LAYARD. The Telautograpli. Compressed Air Street Cars. DEN'S MARINE VELOCIPEDE OR BICYCLE B OG OAT., scientific american,

DECISIONS RELATING TO PATENTS TRADE MARKS ETC. United States Circuit Court-Southern District of New York. New York. Herbert Spencer. Priming for Oil Paint. Mining Engineers in Denver., scientific american, 82-09-09

scientific american, 1859-05-28

PEARCE'S CENTRIFUGAL ORE CONCENTRATOR. s 93 per Annum, scientific american, 1869-02-27

Mail bag fastener J. Howells Marker corn row W. M. Douglas Marking attachment S. W. Lane Meat hook support F. Thacher, scientific american, 1898-07-23

Pad Exhibition dkc. European Inventions Discoveries die. The Zodiacal Light., scientific american, 1855-06-23

THE SCIENTIFIC AMERICAN. 207, 1859-09-24

Improvement in Hand Machines for Boring Wheel Hubs. GARTH'S PATENT CARRIAGE AXLE BOX SILVER'S PATENT HUB BORING MACHINE., scientific american, 1868-10-21

How Can I Obtain a Patent ? How Can 1 Best Secure My Invention ? Preliminary Examination. Caveats. To Plake an Application.for a Patent. Trademarks. Design Patents Rejected Cases. European Patents. 37 Park Row New York, scientific american,

THE DEATH OF DR. LIVINGSTONE. STEAM BOILER EXPLOSIONSTHE WORE ACCOMPLISHED BY THE UNITED STATES COMMISSION.THE ORIGIN OF THE DIAMOND. Dangers of Gasoline., scientific american, 1874-02-14

New Railway Brake. Self-acting Annunciator. Improvement in Stave Dressing Machines. Printing Warps. Self-acting Alarm Whistle and Pressure Guage for Steam Boilers. Stoves. Gimp anci Fringe Machine. 0 from Rosin. Improved Spirometer. LIST OF PATENTS

MANGANESE IN STEEL. MISCELLANEOUS SUMMARY., scientific american, 1863-03-28

Vol. LXXII No. 22.1 WEEKLY. WORKS OF THE NATIONAL MACHINE COMPANY OF TIFFIN OHIO. MAIN SHOP OF THE NATIONAL MANUFACTURING COMPANY OF TIFFIN OHIO., scientific american, 1895-06-01

Hardware. Machines and Mechanical Devices. Prime Movers and Their Accessories. Railways and Their Accessories. Pertaining to Recreation. Pertaining to Vehicles. Business and Personal Wants. sary to give the number of the inquiry. MUNN & CO.,

scientific american, 1861-12-21

Daguerreotypes on Paper. On BoltersNo. 27. Mechanics and. Manufacturers furnish thin a paper is to remit to the publishers., scientific american, 1852-06-12

the lifting and force pump is at once made cheap simple and remarkably strong and du rable; and being provided with two handles as well as being very strong admits the ap plication of great force thus rendering it a very powerful forcing pump.

OLD CHINESE WROUGHT-IRON BREECH-LOADING CANNON. FAIRBAIRN'S IMPROVEMENT IN ROLLERS FOR PREPARING i FLAX. THE BEST MECHANICAL PAPER IN THE WORLD SEVENTEENTH YEAR. MUNN & CO. Publishers No. 37 Park-row New York., scientific american, 1861-08-03

DECISIONS RELATING TO PATENTS. United States Circuit Court—Southern District of New York. United States Circuit CourtWestern District of Pennsylvania. Changes at Niagara FallsThe Spouting Horseshoe. Manufacture of Wine from Raisins in France. A& 4I

Important Archeclogical Discovery-Perhaps., scientific american, 1867-08-03

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