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Send for this A MONEY MAKER THE PETT Y.IOHN CO. Let us send you Free ) Our Book on LIGHT It Tells How T Save Money Scientific Method of Growing Hair Test it Without Expense Evans Vacuum Cap Co. 820Fullerton Bldg. St. Louts, scientific american,

PLANCHETTE., scientific american, 1868-08-12

THE SCIENTIFIC AMERICAN. 39 1, 1860-12-15

Legal Notes., scientific american, 1903-02-28

scientific american, 1871-08-05

COMMUNICATIONS RECEIVED., scientific american, 1874-02-07

HW.CALDWELL & SON Zi q T AKEsGAs PROVIDENCE. It. I. WANTED-PATENTED NOVELTIES Steam! Steam! 2-Horse Eureka Boiler and Engine - $175 Drawer 56. ELMIRA N. Y. WEBER CAS AND GASOLINE ENGINE Fully Guaranteed. KANSAS CITY MO. THE STIRLING BOILER THE

Artificial Ivory. Removing Incrustations from Steam Boilers. The Term 'Ratchet.” Strength of Steam Boilers., scientific american, 1864-03-26

DRILLS THE ELEVATING -CONVEYING COAL WASHING MACHINERY Coal Mining Machines ELECTRIC MINE LOCOMOTIVES POWER COAL DRILLS COAL HANDLING MACHINERY ERFO RATED METAL OF EVERY DESCRIPTION AND FOR ALL USES., scientific american, 1901-06-01

'LUNN & CO. Editors and Proprietors. NO. 37 PARK ROW (PARK BUILDING) NEW YORK. INFORMATION ON GUN COPAL., scientific american, 1872-06-08

MERICA r &CENTS A COPY CIENTIFIC, scientific american, 1903-10-17

Disinfection and Disinfectants. The Smell of Paper Money. The Chemical Composition of Man. The Effect of the Sun's Rays on Selenium., scientific american, 1887-08-06

scientific american, 1867-02-23

DESIGNS. TRADE MARKS. raDveratsentenfo. A LATHE VELOCITY OF ICE BOATS. A COLLEC. PARABOLON MAGIC LANTERN Books on Electricity. Practical Electrical Notes and Definitions. Publishers of the 'Scientific American' 361 Broadway New York. STEREOTYPING;

KOPPEL LAND COMPANY Technical Literature SUBSCRIPTION RATES Special Offers te Headers of theScientificAmericao.-As MODEL ENGINES : UNIVERSITY OF MANITOBA. Professor and Lecturer Wanted. STAMPINGS MODELS EXPERT WORK 97'O Hamilton St Cleveland O. &

Inexpensive Classified Advertisements SALE AND EXCHANGE. BUSINESS OPPORTUNITIES. PARTNERS WANTED. POSITION WANTED. SITUATIONS AND PROFESSIONAL OPENINGS. HOTELS AND RESORTS. PATENTS FOR SALE. World's Champion Motor Car WALTHAM MFG. COMPANY Waltham

THE AMALGAMATION OF ORES OF THE PRECIOUS METALS. THE KNOWLEDGE OF SPECIFIC HEAT APPLIED T THE DETERMINATION OF VERY HIGH TEMPERATURES. SCIENTIFIC AND PRACTICAL INFORMATION., scientific american, 72-03-09

and into the rifled grooves of the gun. From the examiner's report it appears that lead molded into a similar form and similarly attached had previously been proposed for an expanding sabot upon heavy projectiles. It is beyond question however that

Gorresponbence. Chain and Sprocket Problem. A Hydrogen Experiment. He Welcomes the Trusts. Meeting of the Association of Agricultural Chemists. Removal of the Reservoir. 393 Science Notes., scientific american, 1899-06-17

The Alleghany Bridge at Pittsburgh Pa. SUSPENSION BRIDGE OVER THE ALLEGHANY RIVER AT PITTSBURGH PA. Selecting Durable and Perishable Timber., scientific american, 1870-06-18

SANTIAGO AND ATLANTIC FLEETS COMPARED. A. military rifle with silencer attached. THE SILENT GUNCOUNTERPART OF SMOKELESS POWDER. Half sectional view showing the Method of assembling the spiraled disks. THE SILENT GUNCOUNTERPART OF SMOKELESS POWDER.

THE LIVADIA. CAPT. EADS' SHIP RAILWAY. Row to Travel like Lightning. A California Grain Chute. 4 A Remarkable Railway Accident. A Suggestion in Photography. Slow Progress of ithe Telephone in England., scientific american, 1880-11-27

Watches are the prompters. 41 I Elgin Watches Z ELGIN NATIONAL WATCH CO. NEW BINOCULAR. MODEL DESICiNS. TRADE MARKS. LABELS . PRINTS. Real Estate Wanted MOTORS $95 to $220 JUST THE THING. Apple Economical Gas Engine Igniters. MACHINE WORK WANTED

CAPILLARY VACUA. T. O'CONOR SLOANE PH.D. WEIGHT SUSTAINED BY VACUUM. The Jute Goods Industry. MERCURY COLUMN SUSTAINED BY VACUUM. CAPILLARY VACUUM., scientific american, 1886-10-30

The Max. Prison Labor. 4 Some Facts about New Zealand. Is there a Central Sun? The Great Southern Comet. A Pleasant Surprise. The Artificial Diamond Process. r 4The Best Vehicle. Remedy for Hydrophobia. Eighty Miles an Hour., scientific american,

CHEVREUL AT 101 YEARS. The Significance of Left-handedness. What the Morphine Habit 'Will Do. MR. CHEVREUL AT 101 YEARS OF AGE., scientific american, 1887-10-22

Money Received TO OUR READERS. Back Numbers and Volumes of the 'Scientific American.” RATES OE' ADVERTISING., 64--12

ILLUSTRATED CATALOGUE: FREE POPE MFG .CO. Sample by mail 50 Cents. .JOH MEM STEAM PACKING Boiler Coverings Millboard Roofing OTTO GAS ENGINES. 18 Vesey Street. —ENGINES EITHER COAL 0 R PETROLEUM FUEL STEAM YACHTS RACINE HARDWARE CO.- RACINE WM.

An Invention Wanted. Distances of the Fixed Stars. The Army Worm Again. -II 404 Wood Pavements. The Teeth of the Future., scientific american, 1884-06-28

ART OF COLORING MARBLE. VELOCIPEDE NOTES., scientific american, 69-03-13

Bennett Cup Race. A New Decision of the Automobile Club of France Regarding an International Race. Explosion of Gas Buoys. The Current Supplement. Submarine Mines for the German Navy., scientific american, 1905-05-06

Utilizing Waste Flux from Galvanizing Works. hitherto been of little use and has been sold at a On the Removal of Stains from Silk. Restoration of Linseed Oil., scientific american, 64-07-16

Japanese Process of Varnishing. The Great Wall of China. Notice to Patentees. NEW MECHANICAL AND ENGINEERING INVENTIONS. 4 NEW MISCELLANEOUS INVENTIONS., scientific american, 1877-11-10

Causes of Steam Boiler Explosions. Poisonous Dyes. The Great Pyramid. Fiber of Cocoanut Husks. 410.Welding Powder. 6., scientific american, 1869-04-24

TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Contents. Nc:). G For the 'Week ending August 18 1877., 1877-08-18

scientific american, 1866-09-22

Fig. 2.-THE NEW SWINGING SALOON STEAMER BESSEMER.-THE DECK AND UPPER PART OF THE SWINGING SALOON, scientific american, 1875-06-05

NEW-YORK THURSDAY JULY 30.Magneto Electricity. Railroad Intelligence. HARTFORD AND FARMINGTON RAILROAD The The Yankee Turbine Waterwheel. Curious and Wonderful Kaleidoscope., scientific american, 1846-07-30

NICKEL AND ITS PREPARATION. Liquid Indicator. Naval Items. A Panic among Sponge Divers SCIENTIFIC APPARATUS., scientific american, 1876-09-02

COMEIIINICATIONS RECEIVED. FOR WHICH AND EACH BEARING THAT DATE., scientific american, 1874-11-14

NEW PUBLICATIONS., scientific american, 68-09-09

THE INFLUENCE OF PRO FESSION ON THE SHAPE OF THE HAND. DR. BRANLY'S APPARATUS FOR CONTROL OF DISTANT MECHANICAL EFFECTS. Fig. 2Right Hand of a Shoemaker. Typesetter. Fig. 1The Left Hand of a Smith. Fig. 5Left Hand of a Fig. 6Right Hand of a Tailor.

Automatic Injector Double Jet Injector and Ejector. A PLANT FOR MANUFACTURING RADIATORS AND BOILERS. T. C. KERRICK Bloomington III. MARINE ENGINEERINGBY A. DRY AIR REFRIGERATING MACHINE. dealers. WINTER ELECTRIC POWER TRANSMISSION all newsdealers.

Improved Calorie Engine. ERICSSON'S CALORIC ENGINE., scientific american, 1866-05-12

Toning Gelatin Bromide Prints. Cooking by Electricity. woui moo MB ml) Ism A I L Fig. 1THE ELECTRIC ROLLING BRIDGE—PARIS EXHIBITION Fig. 2GENERAL VIEW OF ON & LUSTREMANT'S ELECTRIC ROLLING BRIDGE., scientific american, 1889-08-24

MORRIS' AXLE LUBRICATOR. 4 41. MAN AND NATURE. If God in the six sonic days of trettion hail but prepared the Nutrition and Physical Power. -.vow WING AND BRADEEN' BLIND FASTENER. Pennsylvania are already sold MOURNE AND MASSEY'S IMPROVED HOSE

Tumbling of Prolectiles. Effect of Hot Water on Tempered Steel The 'New' English Steam Engine. The MotioiLeik-a Bird's wing. To Soften Old Putty. Purity Test of Air. 'A Vote of Thanks.” Centrifugal Wine Press. ., scientific american, 64--05

MOVABLE NIGHT LAMP FOR STAIRWAYS. THE NEW DUDLEY OBSERVATORY IN ALBANY. THE NEW DUDLEY OBSERVATORY ALBANY N. Y., scientific american, 1893-11-18

inherent tendency of the tree will still assert itself. In when the foliage is full marked for future use and then cut in the late fall or winter when the watery part of the sap is at a minimum. CHARACTERISTICS OF PORTO RICO. ANTARCTIC EXPLORERS

A REMARKABLE BODY OP WATER. that it is the hematite ore of iron. If plentiful it is of course valuable INSTRUCTIONS LETTERS-PATENT MUNN & CO. REJECTED CASES. CAVEATS REISSUES. DESIGNS TRADE-MARKS & COMPOSITIONS EUROPEAN PATENTS. NEW YORK.,

commanding the Watervliet Arsenal New York we are enabled t FURNACE. THE 16-INCH GUN BEING' LOWERED INTO THE SHRINKAGE PIT., scientific american, 1900-09-29

NEW-YORK THURSDAY SEPT. 10. ENLARGEMENT OF SECOND YEAR New and Beautiful Type! MUNN & COMPANY NEW YORK. Arts and Trades. —wwwww- Science of Mechanics. Another Foreign Humbug. INSTANTANEOUS STOPPING OF A RAILWAY TRAIN. INSMov DE'STRUCTION OF THE

THE NEW ATLANTIC STEAMER ST. LOUIS. Interesting Archseologleal Discoveries. The New Navy Ride. A PETROLEUM TRICYCLE. THE NEW ATLANTIC STEAMER ST. LOUIS. Diarrhea and Earth Temperatures., scientific american, 1895-06-08

Railway from Boston to the Summit of Mount Washington. NEW MECHANICAL AND ENGINEERING INVENTIONS. The Fast Train Across the Continent. Inventions Patented in England by Americans. and springs NEW CHEMICAL AND MISCELLANEOUS INVENTIONS., scientific

Testing Hollers by Hydrostatic Pressure. Ignition by Superheated Steam. Liquid Measuring Can.THE CERULEAN PLEASONTON'S SUNSHINE PATENT. The Approaching Solar Eclipse., scientific american, 1871-10-21

APRIL 16 18921 251 INDEX OF INVENTIONS For which Letters Patent of the United States were Granted April 5 1892 AND EACH BEARING THAT DATE., scientific american, 1892-04-16

Wayland N. Y. 50 YEARS' EXPERIENCE PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Scientific Rmerican. Print Your Own Circulars business cards dodg em etc. or let your The JEFFREY MANUFACTURING CO. COLUMBUS 0. Feet, scientific american, 1899-01-07

AN IMPROVED GAUGE COCK. AN IMPROVED BICYCLE TREADLE. CUSHMAN'S BICYCLE TREADLE. Fifty Miles per Hour. A New Insulating Material. A VELOCIPEDE OPERATED BY HAND LEVERS. such roofs should be built higher than ordinarily. MeCARTER'S GAUGE COCK. HOYT'S

A CHAPTER ON TROUT. EXHIBITION OF FISH AT THE OPENING OF THE TROUT SEASON., scientific american, 1880-05-15

MUNN & COUPANY. Editors & Proprietors. Contents: INVIDIOUS COMPARISONS. A BATTERY OF 15-INCH GUNS. THE MOISTURE ON A LAMP CHIMNEY. A NEW LIGHT FOR MANUFACTORIES. COOPER UNION--FREE NIGHT SCHOOL OF SCI ENCE AND ART., scientific american, 64-10-01

scientific american, 1882-02-11

ORDINARY RATES. COLD FORGED PRODUCT. Fluted Tire Bolt MACHINE SCREWS STOVE BOLTS LOCK CAP SCREWS THREADED WIRES AMERICAN SCREW COMPANY PROVIDENCE R. I. Mistakes in Addition Office Headache 62-68 ILLIN018 at. ClueAs COLD Eastman Kodak Company

The Reproduction of Steel Engravings by Photography. 4 A Safeguard Against Rats. 0 0, scientific american, 1877-01-06

scientific american, 1876-04-22

Manufacture of Optical Glass. ARIOTT'S 'AVITOR' AIR SHIP. Pneumatic Tubes., scientific american, 1869-12-04

NARAMORE'S SLED BRAKE. Improved Sled Brake. RAILROAD ITEMS. MC CONAUGHEY'S PATENT SEED PLANTER. BAGLEY'S PATENT BILGE WATER DISCHARGE., scientific american, 1867-02-02

NEW ELECTRICAL MACHINES. New Method of Preserving Fish., scientific american, 1877-10-27

scientific american, 1872-11-11

Philadelphia's Elevated Railways. A Novel Method of Masking Prints. [Science. The Comets. Poisoning by Homeopathic Granules. Synthesis of Alcohol. Manufacture of Phosphoric Acid. Preservation of Tomatoers. Amusing Mathematical Quid Nunc., scientific

over which it runs it is obvious that if one pulley be started into sudden motion the saw must slip over the other pulley before the in ertia of the latter is sufficiently overcome t a very excellent elastic bed as its tendency is to be thrown 4

OCTOBER 31 18961 THE KINETOSCOPE STEREOPTICON. Removable Backing for Dry Plates. amount of cream eaten as cream per se would be. Zorrespol bence. The Scientific American Supplement as an Archseological Journal. Non-conductive Glass. How Gold was

NEW INVENTIONS. The Nature Formation and Uses of the Nicol Prism. Fires in New Jersey Swamps. Proposed Electrical Exhibition in London., scientific american, 1881-11-19

Inventions Patented in England by Americans. Foreign Patents. GREAT VALUE OF MUNN & CO. Publishers of the MUNN & CO. FOREIGN PATENTS' REISSUES INTERFERENCES HINTS ON SELLING PATENTS RULES AND PROCEEDINGS AT THE UNITED STATES PATENT OFFICE THE PATENT

up one body moved southward by way of the valley It appeared as a bog like many a mountain pond, scientific american, 1898-06-11

GLEANINGS FROM THE POLYTECHNIC ASSOCIATION., scientific american, 1867-04-13

American Society of Mechanical Engineers. Sulphur, scientific american, 1892-12-24

eorresportaence. CONTROL OF THE SAN JUAN RIVER AT GREYTOWN. HAP OF GREYTOWN HARBOR SHOWING PROPOSED NEW CHANNEL FOR THE SAN JUAN RIVER. THE DELTA OF THE SAN JUAN., scientific american, 1899-10-28

THE RELATION OF SCIENCE TO THE INDUSTRIAL ARTS. 'this drawing together would result in a rotation of the whole mass around its center of gravity.' He supposes, scientific american, 1860-09-22

BOURSHETT'S CAR WHEEL. SHAW'S IMPROVED OAS COOKING STOVE., scientific american, 1860-07-21

SCIENTIFIC AMERICAN JANUARY 1895. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted January 8 1895 AND EACH BEARING THAT DATE., 1895-01-19

shovel capable of being adjusted laterally from a fixed -SANDERS' CULTIVATOR TONGUE AND SHOVEL shown detached in the 'right hand view forms the tongue part while the upper portion forms the shovel face to form a cutting edge Which adapts the blade t

American Association for the Advancement of Science. A Curiosity. Magnificent Present. Amoskeag Machine Shop. English and American Railroads. Illuminated Clocks. Walnut Leaves in the Treatment of Disease. Electricity Metals and Water. Working Sails

How Window Glass is Made. The Medical Electric Lamp. A. New Japanese War Ship. 4 How to Make Cucumber Pickles. The Cotton Industries. IHow Shall the Physician Cleanse His Hands?, scientific american, 1885-06-20

Neckties scarfs etc. fastener for C. C. Shelby 342836 Needle E. A. Bailey 342773 843042 Threshold device to be substituted for C. 8429 Haven 9-Overfisernertfe. Inside Page each insertion75 cents a line. Back Page each insertion81.00 a line. CET THE

DECEMBER 21 18781ITHE PURITY OF REFINED SUGAR. BY HENRY A. MOTT JR. PH.D. E.M. CHAPMAN'S VALVES AND HYDRANTS. Gt A CLLIVII K D17BOSCQ'S SACCHAROMETER., scientific american, 1878-12-21

scientific american, 1859-08-20

NEW BOOKS ETC. INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending November 13 1906 AND EACH BEARING THAT DATE Business and Personal Wants. every case it is necessary to give the number of the inquiry.

tintlk 2nterician. THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. PRATT'S IMPROVED GRAIN AND SEED PLANTER. ASCIENTIFIC AMERICAN: By Munn & Company. the remainder in 6 months. Pottrv. WELL. Receipt for making New

Our Growing Trade in China. An Ancient Barrel Organ Unearthed. A Novel Apparatus for Teaching Geology. GROTESQUE FORMS OF CYCLES. Fig. 2THE LARGEST TRICYCLE IN THE WORLD., scientific american, 1899-12-30

TO CORRESPONDENTS. New Arrangement. An Important Paragraph. Terms of Advertising. TMPORTANT TO IRON FOUNDRIES—The riv0 FELLOE AND SNATH MAKERS—The MOIST'S PATENT SLIDING DOOR FRONTS TXTOOD'S IMPROVED SHINGLE MACHINE, scientific american,

NOVEMBER 3 1877. Curious Phenomena in the Oil Regions. A, scientific american, 1877-11-03

9 TRANSATLANTIC STEAM COMMUNICATION. 4.4. HOUSES FOR MECHANICS. scientific american, 1865-08-19

No. 361 BROADWAY NEW YORK. 83 00 1 50 AMERICAN AND ENGLISH RAILROAD TRACK. OUR TRADE WITH THE SOUTH AMERICAN REPUBLICS. ESTABLISHED 1845., scientific american, 1896-10-24

INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending AND EACH BEARING THAT DATE. SENECA FALLS MFG. CO. 695 Water Si. Seneca Falls N. V. ARMSTRONG'S PIPE THREADING CUTTING-OFF MACHINES THE ARMSTRONG MFG.

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES 3The 50000 H. P. Power House with Eight 5000 H. P. Generators Installed. 83.00 A YEA IL WEEKLY. ESTABLISHED 1845. j 2Rotary Transtormer for Local Railway

The Radium Industry. Automobile Notes. BY THE ENGLISH CORRESPONDENT OF THE SCIENTIFIC AMERICAN., 1903-12-26

Late News from Europe. Oil from Tar and Pitch. The Last Machine. Too True. Wire Fences. Telegraph Race. Principles of Zoology. American Journal of Agriculture and Science. Marriage and Health. American Institute. A Deadly instrument. Patent Office

Tissue Negatives from Gelatine Plates. The Treatment of Sea Sickness., scientific american, 1881-07-16

The Star Depths. Liebig on Lager. Arabian Mode of Perfuming., scientific american, 1872-06-01

TO INVENTORS. NEW BOOKS AND PUBLICATIONS., scientific american, 1879-05-24

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