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Notes on Electrical Lighting. The Papaw Tree and its Digestive juice. The Color of Human Hair. Perverted Ingenuity. 40-4A Costly Telescope., scientific american, 1879-02-11

NO. 37 PARK ROW NEW YORK. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement THE SCIENTIFIC AMERICAN SUPPLEMENT WC). 00 PUBLISHERS' NOTICE. Contents., 1877-02-24

English Patents Issued to Americans. PATENTS. BRASS. ose; spe . VCR . KNOW THYSELF 0 NM CARY 84 MOEN Rev. T. P. CHILDS Troy. 0. TELEPHONE itkt liFICIA:ZEIAT r'pa0Re GOOD MECIIAN IC S DO YOUR OWN PRINTING H. HOOTER Phila. Pa OREENEBAUM'S COMBINED 139

THE LIDGERWOOD ROTARY ENGINE AT THE EXHIBITION. WOOD'S IMPROVED PISTON. BEDELL'S SEWER GAS TRAP. Sensible Assertion. HOSE ATTACHMENT FOR FAUCETS. THE LIDGERWOOD ROTARY ENGINE., scientific american, 1876-09-16

SCIENTIFIC AMERICAN. 391 TO CORRESPONDENTS. Chambers' Miscellany. Columbian Magazine. A Splendid Map. Meehanics Mutual Protection. Patent Agency. AD BOOKS! BOOKS!! The above works may all be sent by mail. Address post paid SMITH'S Improved Electric

helmet. The amateur will be obliged to work bareheaded as shown in Fig. 3. It will be necessary t substitute a draw curtain PHOTOGRAPHIC CAMERA II MODE OF USING THE APPARATUS., scientific american, 1885-04-11

The Water Ram in Pump Pipes. The Colors of Soap Bubbles. Gravity Inertia and Momentum. Interesting Facts about the Great Pyramid. Lightning Conductors.Their Proper Form. A Singular Cave. Cleaning Cider Barrels. Mount Hood., scientific american,

About Engravings. AN IMPROVED SLEIGH KNEE. CHAFFIN'S SLEIGH KNEE. 4 The Shepherd's Telephone. etc THE EIFFEL TOWER BICYCLE. Natural Soda in California. occurs which is given in the reports above referred Guard Rails. 40 4SIMPLE ELECTRIC MOTOR. SIMPLE

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. WEEKLY. DREDGING FOUNDATIONS FOR STONE BULKHEADS. BUILDING PLANTING SPACE AND FILLING IN BAYS SOUTH OF HIGH BRIDGE., scientific american, 1897-02-13

A METHOD OF CONTROLLING THE PRODUCTS OF THE BESSEMER PROCESS. GLEANINGS FROM THE POLYTECHNIC ASSOCIATION. 41-40-s. Production of Natural Colors by Photography. THE LATE ALEXANDER DALLAS BACHE., scientific american, 1867-03-09

AGRICULTURAL INVENTIONS. 1 irr THE BASKET FISH. BY H. C. HOVEL Professor Huxley on Snakes. Jet. THE BASKET FISH., scientific american, 1880-01-10

Business and Personal Wants. sary to give the number of the inquiry. MUNN & CO. place. Gravity at Wafillitigt0 18 980.10. INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending December 12 1905 AND EACH

GENUINE Electric Belts For Ladies and Gentlemen., scientific american, 1884-05-03

MUNN & C Preliminary Examination. To Make an Application for a Patent. Caveats. Reissues. Rejected Cases. Trademarks. Inventions Patented in England by Americans. FOREIGN PATENTS-A HINT TO PATENTEES NUNN & C 37 Park Row N. Y. now Can I Obtain a

End View of Counterweight .Compartment mid Detail of Levers for Below Decks on the Pontoon Showing the Movable 300-Ton Controlling Counterweight. Counterweight. New One Hundred-Ton Floating Crane CIENTIFIC, scientific american, 1903-11-28

AN ECONOMICAL FIRE ALARM. Distillation of Wood. The University of Chicago. ALAN RESAOR RVGING LOCOMOTIVE TIRE USED AS A FIRE ALARM BELL., scientific american, 1892-06-04

ILLUSTRATIONS. 0 It IC, scientific american, 1903-06-27

Notes .tor&F NEW BOOKS ETC. For which Letters Patent of the United States were Issued for the Week Ending July 19 1904, scientific american, 1904-07-30

120 THE SCIENTIFIC AMERICAN. MEYER'S IMPROVED EXPANDING AUGER., 1859-08-20

scientific american, 1879-07-26

Automaton Extraordinary. Instrument for Drawing an Oval. Steaming and Washing Colored Goods. MECHANICAL MOVEMENTS. Rectilinear from Circular Motion. Alternate Traverse In a Revolving Cy. Under. Discovery of Heentatinon. lee. Malleable Iron and Steel.

cock 3 the flange V the lock nut W and the cylinder S substan tially as described. Third We claim the supplementary valve x attached to a check valve substantially as described and for the purposes set forth. P ourth We claim the arrangement of the

scientific american, 1851-11-08

flow with the steam and assuming that the supply to the cylinder was one-third water and two-thirds steam or a greater or less proportion the boiler few revolutions of the wheel. phis on April 28 1865 had boilers and engines evidence to prove that

AN IMPROVED HAY STACKER. The construction shown in the illustration is designed to be erected in a mow or shed or in a barn or wher ever hay or straw is to be stacked the device receiv ing the hay or straw directly from the fork and being manipulated

Week Ending May 21885. TRADE MARKS AND LABEL REGISTRATION. RUST CEMENT. TO DISGUISE THE TASTE OF PARALDEHYDESut-, scientific american, 1885-05-02

THE SCIENTIFIC AMERICAN. 317, 1859-11-12

LATHE Foot and Power SEBASTIAN LATHE COMPANY 44-46 Central Ave. Cincinnati 0. The Sebastian-May Co. Foot Power 165 to 167 Highland Ave. SIDNEY 00. SPECIAL NOTICE! FREE SITES TO SUBSTANTIAL MANUFACTURING ENTERPRISES CLARK SINTZ MFR. Gibbs Respirator

TIlE PUBLISHED WEEKLY 0. D. MUNN S. H. WALES A. E. BEACE. 'lie Rise Progress and Influence of the 'Scientific Amerinan.”, scientific american, 1859-04-16

tutritan. TO LUMBERMEN. BEA VER FALLS PA. ASBESTOS MATERIALS ROOFING SHEATHING BOILER FELTING PAINTS (all colors) ROOFING PAINT. iu 1i MURRILL & KEIZER 44 Holliday St. Bait. Do Your Own Printing Printing Machinists' Tools. EXTRA HEAVY AND IMPROVED

eorreopondmce. Guard Rails for Rational Railroad Track. Reformed Scientific Spelling. Lubricate the Outer Rail on Curves. t Sound from a Moving Source. The Gila Mhinster. The Need of an Inventors' Aid Institution., scientific american, 1907-07-06

4 Improved Lamp Chimney. CONNELLY'S LAMP CHIMNEY. needle remaining steady at 60 deg. for three minutes NOTES ON NEW DISCOVERIES AND NEW APPLI CATIONS OF SCIENCE. Interesting Experiments Upon the Auroral Current. scientific american, 1865-08-19

Vol. LVI No. 101 [NEW SERIES.], scientific american, 1888-03-10

APPLICATIONS FOR EXTENSIONS. EXTENSIONS GRANTED. SCHEDULE OF PATENT FEES. CANADIAN PATENTS. HOW TO OBTAIN IN CANADA. MUNN az CO. 37 Park Row Newyork. And How to Obtain Them. HOW T How Can I Best Secure Ply Invention, scientific american,

FARMERS' CLUB. HOLLY'S PEN RACK AND CALENDAR. New Bituminous Substance from Brazil. PHOTOGRAPHIC ITEMS. Well-burnt lime 17, scientific american, 1865-03-18

A 5000-TON TESTING MACHINE., scientific american, -1909-07-10

Vol. XL No. 20.1 F$3.20 per Annum., scientific american, 1879-05-17

DEMONIACAL POSSESSIONS. REPORTS ON SMALL ENGINES., scientific american, 1874-10-31

MARCH 9 1867., scientific american, 1867-03-11

scientific american, 1862-06-07

THE VERTICAL MULTIPLIER BORING MACHINE. IMPROVED KIEL ECONOMIZER. VERTICAL MULTIPLIER BORING MACHINE.Ano. BELL'S FUEL ECONOMIZER., scientific american, 1874-05-09

SHIPPING NITRATE AT PISAGIJA CHILL THE NITRATE OF SODA MINES AND WORKS IN CHILL, scientific american, 1891-02-28

A NOVEL SMALL MOTOR. Fig. 7TYSON MOTOR SYSTEM. 8VERTICAL SECTION THROUGH GENERATOR. THE TYSON SMALL MOTOR., scientific american, 80-03-13

Type-Setting Machines—Important Patent Decision. EXPERIMENT IN SPECIFIC GRAVITY OF FLUIDS. Canal Enterprises. somewhat interfered with during the winter but is now being energetically pushed forward at many points. A committee of the Manchester

SUMMIT OF THE MANHATTAN TOWER SHOWING INJURED PORTION OF ONE OF THE MAIN CABLES. WRECKAGE OF FOOTBRIDGE AT MANHATTAN ANCHORAGE. THE WESTERLY HALF OF MAIN SPAN SHOWING WRECKAGE HELD IN THE SUSPENDER CABLES. les S a as us S 1. 1, scientific american,

'Delicate Test for Albumen. A NEW WAREHOUSE TRUCK. A NEW VENTILATOR. IMPROVED FELLY PLATE. CREMER'S FELLY PLATE. Boracic Acid in Eye Diseases. Butter and Cheese by Machinery. Paper Leather. 4REYNOLDS' IMPROVED TRUCK SAYERS' AUTOMATIC VENTILATOR,

INDEX OP INVENTIONS For which Letters Patent of the United States were Granted Nardi 31 1885 AND EACH BEARING THAT DATE., scientific american, 1885-04-18

PATENT MORTER MIXER. BURNAP'S IMPROVED PUMP., scientific american, 1857-05-02

THE CULTURE OF FLOWERS To the Working-man. Mas Mind is Free. The First Birds of Spring. Circular OF THE AMERICAN INSTITUTE OF THE CITY OF NEW YORK. CHANDLER WILLIAM INGLIS SHEPHERD KNAPP Progress of Phonography. The Christian Religion., scientific

The Current Supplement., scientific american, 1905-02-11

FOR SALE TRADE MARKS. LABELS. PRINTS. address Munn & Co. 361 Broadway. New York. Lambert Runabout A-1-$860 You Don't Want T BUCKEYE MANUFACTURING CO. 1814 Columbus Ave. Anderson Ind. TOPPAN POWER DORIES and MOTORS Pioneer Perfect Frames! French

U. S. Patent No. 729398 ' BRISTOL'S RECORDING INSTRUMENTS. GOLD MEDAL ST. LOUIS EXPOSITION. and Shutters of every kind for all purposes; Amateur Process. Bausch & Lomb Opt. Co. T. A. 50 State Power Needs. CHARTER GAS ENGINE CO. Box 148. STERLING ILL.

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent oi the United States were Granted February 20 1894, scientific american, 1894-03-03

MARCH 12 1881.1 Tea Curing and Packing in Foochow. The New Mill of the Willimantic Company Glass Eyes. Flexible Shafting for Tower Clocks., scientific american, 81-03-12

scientific american, 56-08-30

TYP NATIONAL TYPE CO.IM 12 Cortlandt Street New York. THETELEREMA the Telephone. for Short Pri vate Lines Speaking Tube Purposes etc. H. E. HUSTON & CO. Monticell Illinois. ROOFING. THE CELEBRATED RACINE BOATS ALSOALL KINDS OF LAPSTREAK BOATS.

TRAJAN'S SHIP OF STATE. Lamson's Kite—Trial of a Kite Carrying One Hundred and Fifty Pounds. TRAJAN'S SHIP FOUND IN LAKE NEIII—A RECONSTRUCTION. The Educational Value of Russia's Great Exposition., scientific american, 1896-08-29

lug Saw. Museum of Natural History. Premiums to Locomotive Engineers. Robertson's Telegraphic Insulators and Brackets. Noyes' 'Vacuum Tanks for Tanning Leather.41.4.s. Gratitude all Around. SCHENCK'S CIRCULAR RE-SAWING MACHINE., scientific american,

The Cyanide Process Patents Declared Void in the Transvaal. Seotchmen Macar thur and Forrest took out patents all Arts published in New Haven in 1866 and there in an Embossing on Glass by Tinfoil Stencils. Effects of Molecular Bombardment. converted

JAMES LICK. COHESION OF LEAD. T. O'CONOR SLOANE PH.D. COHESION—RUBBING BLOCKS TOGETHER., scientific american, 88-03-17

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broadway. New York THE ELECTRIC LOCOMOTIVE OF THE FUTURE. DRYDOCKS FOR OUR BIGGEST BATTLESHIPS. THE RAILWAYS OF THE WORLD. THE DIRECTIVE SENSE OF BEES., -1909-07-10

scientific american, 1863-04-04

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

widely and favorably knownmore than 1000 being in THE J. C. HoADLEY CO. Lawrence. Mass. PLANING & MATCHING DERRICKS & TRAVELLERS P. BLAIEIDELL & 00 Worcester Mass. Strap File and Bidet AGENTS WANTED. EAGLE FOOT LATHES FIP ika' E N ir C OLD ROLLED

RECENTLY PATENTED INVENTIONS. Engineering. HYDRAULIC DREDGING MACHINE.Railway Appliances. Electrical. Mechanical. rollers adapted to bring the blades into working position Agricultural. Miscellaneous. COIN CONTROLLED APP AR AT U S NEW BOOKS AND

c.inttifir LInteresting Geological Curiosity. Newly Discovered Paint Deposits. Improved Bolting Reel. News from the Bells. Vacancy in the Patent Office. THIRTEENTH YEAR! SCIENTIFIC AMERICAN. 28 For all clubs of Twenty and over the yearly sub

RAILROAD., scientific american, 1905-02-18

The New Orleans Exhibition. BAC FOR PIANO STOOLS. BALDWIN'S BAME FOR PIANO STOOLS. WIRE FLOWER POT HOLDER. HESBER'S WIRE FLOWER POT HOLDER. A New Time Check System. A Decimal System of Time., scientific american, 1885-04-11

Floatin Batteries Beacons and Lifeboats. MOODY'S FLOATING BATTERIES BEACONS AND LIFEBOATS., scientific american, 1867-07-20

IMPROVEMENTS IN TELEPHONES. NORIEGA'S COMBINED TELEPHONE RECEIVER AND TRANSMITTER. NORIEGA'S MICROPHONIC TRANSMITTER. Removal of Shops. AN ADJUSTABLE ELECTRIC LAMP HOLDER. AN ADJUSTABLE ELECTRIC LAMP HOLDER. Coretes Ancient Ironclad. Army Bicycles.

AUTOMATIC INJECTOR. a A DISTRIBUTING HEAT AND POWER. TO BUSINESS MEN. MUNN az CO. Publishers 361 Broadway New York. DO YOUR OWN PLATING MOULDERS' TOOLS.-- A DESCRIP BARREL KEG Hogshead STAVE MACHINERY. Stored Energy U OR ELECTR1CAI ACCUMLAT COMPANY

ARMSTRONG'S No. 0 THREADING MACHINE Designed for threading the other for pipe 134 to 2 inches inclusive. lJms the er attractive features. Send for 'CUSHMAN 99 dl UCKS THE CUSHMAN CHUCK CO. 189 Allyn St Hartford Conn. DRINK PURE WATER Berkefeld Filter

SCIENCE NOTES. The gypsum after burning is digested with 10 per cent solution of alum and after drying again burnt; on the addition' of water the gypsum crystallizes to a marble-like mass the so-called marble cementPharm Centralh. 41 779.,

Replies to Enquiries. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted March 26 1889 AND EACH BEARING THAT DATE. 400.082 4, scientific american, 1889-04-13

Experiments in the Prevention of Potat Disease. Cedar for Pencils. Creameries and Typhoid Fever. Unknown Dead in a Great City. RECENTLY PATENTED INVENTIONS. Railway Appliances. AUTOMATIC GRAVITY CAR COUPLER A. R. Heath Covington Ind. According to

Accidents. Paper and Paper Making. Drigg's Pianoforte Improvements. Recent American Patents., scientific american, 56-08-09

scientific american, 1862-07-05

Color Photography for Amateurs. nearly transparent 12 dyed in the color bath by an The color-screens thus formed should be placed quite they should be soft rather than too hard. The expos SHELL HOUND SAN NICOLAS ISLAND. THE WILD WOMAN OF SAN

scientific american, 1900-06-02

PUBLISHED WEEKLY AT No. 261 BROADWAY NEW YORK. 0. D. MUNN. A. E. BEACH _TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition. THE SCIENTIFIC AMERICAN SUPPLEMENT A MORAL MISAPPLIED. SPECIALISTS AND

The Self-leveling Ship's Berth. Was it Wind or Lightning? .0River Scenery of Alaska. APPARATUS FOR REGISTERING SOLAR RADIATION. Fig. 2TRACING MADE BY APPARATUS FOR REGISTERING SOLAR RADIATION. The New 0 Pipe Line. Chinese Sheet Lead Factories. A New

CASTING PIG IRON BY MACHINERY. The Grape Belt and Its Product. The Nobel Prizes. ELEVAT ION OF PIG IRON CASTING PLANT WITH LADLE IN POSITION., scientific american, 1900-02-24

TINKER'S FLOUR CABINET. I . Transmission of Power by Compressed Air. Good Will—Trade Name. Palladium. Torpedo Depot Ship. of small craft., scientific american, 92-03-12

Preparation of Castor 0. BY ERNEST P. RAAB Gum CopalA New Theary Concerning the Supposed Sand Marks. Chest Development and Consumption. Counterfeit Eggs. Leather from Bison Hides., scientific american, 1879-12-20

THE PANAMA CANAL. Fig. IFIELD OF OPERATIONS AT EXPERADOR. Fig. 2FIELD OF OPERATIONS NEAR THE CULEBRA THE PANAMA CANAL—Fig. 3SCENE OF OPERATIONS NEAR EXPERADOR, scientific american, 1885-08-22

operation of getting a nice point on the instrument in question ; to prevent this and the spoiling of pen knives this invention was made. It consists of a sin gle piece of sheet steel cut out blank from the mate rial ; the two sides of each end are

The Standard Lamp Used., scientific american, 1908-05-09

scientific american, 1905-07-15

HOYT'S PATENT MATCH BOX. The Torpedo Trade of Long Island. Drooping Ears of Animals. Prevention of Disease. -op is. 4W PIERCE'S DEVICE FOR FASTENING UMBRELLA COY ERINGS. Curious Incident. Aan Alaska., scientific american, 1868-08-05

English Patents Issued to Americans. SCOVILL MANUFACTURINO CO. Engines and Boilers For Sale Cheap. WOOD WORKING MACHINERY. THE DUPLEX INJECTOR. MINERAL WOOL. OPIUM MORPHINE HABIT. PATENTS. MUNN & CO. Solicitors of Patents I. Reliable live Canvassing

The Relative Merits of Bronze Steel and Iron for Field Artillery. The National Taxes. Fat PeopleWhat Dr. Hall in his Journal says ot them., scientific american, 1870-09-17

WAGON CARRIAGE AND HOOP I MACHINERY. I QUEEN'S NEW AUTOMATIC LAMP. CHUCKS WESTCOTT'S BOSTON BELTING CO. WOODWORKING MACHINERY. Oster Pat. Adjustable Stocks & Dies THE OSTER MFG. CO. ROCK DRILLS AIR COMPRESSORS NICKEL AND Electro- Plating THE Gas

Photography. Gas Gas Making Etc. PHYSICS CHEMISTRY ETC. Electricity and Electric Apparatus., scientific american, 1881-12-31

SCIENTIFIC AMERICAN ESTABLISHED 1845, 1904-07-02

THE MORE LIFE INSURANCE LESS MONEY The Prudential GIBRALTAR., scientific american, 1908-03-21

How the Capitol at Albany N. Y. is to be Warmed and Ventilated. What a Pe feet Railway Brake Should Do. Florida Ship Canal. A NEW RHEOSTAT. LOWER HALF OF RHEOSTAT. Additions to Our List of Food Fish. New Mechanical Inventions. DR. OEHEE'S RHEOSTAT.,

NEW METALLIC RAILWAY TIE. DAINTY'S IMPROVED RAILWAY TIE. AN IMPROVED STEAM MOTOR. casing is the body of the motor which consists of a piston having two wings and keyed to the shaft which extends through and has a bearing in a box screwed into the

Browning's Stone Varnish. COLLINS' CUT-OFF FOR BEAM ENGINES. KRAMER'S COMBINED SAD-IRON AND FLUTING R OLLER., scientific american, 1879-08-16

A MAGNESIUM TORCH. A MAGNESIUM TORCH. The Nature of Electricity. Vesuvius Destroys Derelicts., scientific american, 1895-04-06

Reported Officially for the 8dentific Arserican.) leaned from the United States Patent Office .41, scientific american, 1855-05-26

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