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The Signal Service Clock. Melted Wool. Waterproofing Fabrics. A Great Loss from Spontaneous Combustion. Electric Light Carbons., scientific american, 1883-11-03

NEW PROTRACTOR. Arsenic. 1 TRUE TIME REGULATOR. A Milk Test. The Want of a Sewing Machine Motor. New Mechanical Inventions. MARTINS' TRUE TIME REGULATOR. COOK'S PROTRACTOR. Recent Inventions, scientific american, 1878-10-26

EDISON DYNAMO AND MOTOR. Fig. 2THE FIRST TWO COILS AND COMMUTATOR CONNECTIONS. Fig. 3ARRANGEMENT OF THE LAYERS AT END OF ARMATURE CORE. Fig. IDIAGRAM OF WINDING OF EDISON ARMATURE. Protection against Lightning., scientific american, 1891-08-01

New Observatory. AN IMPROVED PUG MILL. New York as a Milling Center. Purification of Mercury. AN IMPROVED DRILL GRINDER. off is gauged by the left hand on the feed wheel handle. AN IMPROVED RAIL PUNCH. HITIME'S RAIL PUNCH. Mb 4WOODCOCK'S PUG MILL. A

For which Letters Patent of the United States were Granted April 23 1895 AND EACH BEARING TuAT DATE. MAY 4 1895.1, scientific american, 1895-05-04

Our Washington Correspondence. Curving a Base Ball. Rotation in Motion. An Artificial Summer Shower. India Rubber Hose. Fish from an Artesian Well., scientific american, 1877-08-18

NO. 37 PARK ROW NEW YORK. Club Rates: 927 00 2 70 Contents. SCIENCE IN COMMON SCHOOLING. SYRIAN SPONGES., scientific american, 1875-04-03

Problems of Nature. Rue's Little Giant Injector. JOHN S. URQUHART 46 Cortlandt St. N. Y. latest samples10 eta. L. JONES & CO. Nassau N.Y. ROLLSTONE VARIETY LATHE. LOOSE PULLEY OILER. ROOFING NEW YORK SHELLAC CO. SHELLAC. 9 Burlington Slip NEW YORK.

NEW ELEVATED RAILWAY. Wire and its Uses. CROSS SECTION SHOWING ELECTRIC CONNECTIONS. DETAIL RAILROAD SYSTEM. ELEVATION OF CLARKE PAM THE CLARKE ELEVATED AND SURFACE RAILROAD SYSTEM., scientific american, 1890-05-10

THE NEW HIGH-SERVICE PUMPING WORKS NEW YORK CITY. THE NEW HIGH SERVICE PUMPING WORKS AT NINETY-EIGHTH STREET AND NINTH AVENIIS NEW YORK CITY. . MP IN P . ' VAN It WillA, scientific american, 1882-04-22

fiftentifir =ion. INSIDE A CHURCH ORGAN., scientific american, 1874-01-10

Contents :, scientific american, 1871-02-18

The Newport Automobile Races. A New Mooring Device. DRIP POT TO GATHER WATER OF CONDENSATION. Opening of an An4e Buoy. Railways. Berlin. New Form of Foucault Pendulum., scientific american, 00-09-15

240 THE SCIENTIFIC AMERICAN., 1860-10-13

RELIABLE STEAM PUMPS MINERAL WOOL IR METERS HOSPITALS SCHOOLS AND PUBLIC BUILDINGS. FOR SALE CHEAP. One Deane No. 0 Steam Pump One Blake No. 2 Steam Pump TEEL SALES PERMANENT AS FLOUR. PART TEN. FRET SAWYERS. THE SEIBERT CYLINDER OIL CUP CO. NEW

ROADHASTERS' DIFFICULTIES. THE ' CONCH PEARL.' 4 O.- James Clerk Maxwell. A Great Ship enters South Pass., scientific american, 1879-11-22

NOVEMBER 12 188 ientific 1ntrrican. UPT1TRE PRACTICAL DRAUGHTSMAN'S Book of Industrial Design MACHINIST'S AND ENGINEER'S DRAWING COMPANION. THE AMERICAN BELL TELEPHONE COMPANY AMERICAN BELL TELEPHONE COMPANY 95 Milk Street Boston Mass. THE BEST BAND

Vol. XLV1INo. 7.1 [NEW. SERIES. r$3.20 perAnnum. NUN iff 0m e. ROCHESTER WATER WORKSTHE FOUNTAIN IN MOUNT HOPE RESERVOIR, scientific american, 1882-08-12

EACH NUMBER CONTAINS SIXTEEN LARGE PAGES. ARTICLES MARKEDARE ILLUSTRATED WITH ENGRAVINGS, scientific american, 1884-12-06

OTTO CAS ENCINE. PER CENT. LESS GAS THAN I Per BRAKE-HORSEPOWER Edwards' Works on the Steam Engine HENRY CAREY BAIRD & CO. Their Cost Reduced. MARVELLOUS MEMORY DISCOVERY El New Catalogue of Valuable Papers RE c1 DEAF Th: The Technu-Chemical Receipt

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted Nay 26 1891, scientific american, 1891-06-06

NEW MARINE SIGNAL. Twenty Stories High. Necklaces of Human Teeth. A PINE APPLE GROVE IN FLORIDA. NEW MARINE SIGNALING DEVICE CALLED THE LUCIGRAPH. A PINE APPLE GROVE IN FLORIDA., scientific american, 1890-12-20

PRUNING AND HOUSE SHEARS. 1 3 2 5 ECLIPSE PRUNING AND HOUSE SHEARS. IMPROVED FISH HOOK. LIE'S IMPROVED FISH HOOK. TOBACCO PIPE. System. PAPER BAG HOLDER. MARTIN'S PAPER BAG HOLDER. BUTTON FASTENER. LUMBER'S ICE MACHINE. LUMBER'S ICE MACHINE. IRVINE'S

NO. 37 PARK ROW (PARK BUILDING) NEW YORK. THE HUDSON RIVER RAILROAD DISASTER. TOUGHENING AND REFINING GOLD. 0. ELECTRO-DIETALLURGY. THE LARGEST GUN IN THE WORLD., scientific american, 1871-02-25

MOTOR OF THE SERPOLLET STEAM AUTOMOBILE. THE FIRST-CLASS BATTLESHIP ' WISCONSIN.' DIAGRAM SHOWING THE CIRCULATION OF FUEL WATER AND STEAM., scientific american, 1900-12-08

A NEW AMERICAN AUTOMOBILE. 70-HORSE-POWER CHRISTIE RACER WITH FOUR-CYLINDER MOTOR FORMING THE FRONT AXLE. DIAGRAM OF CHRISTIE DIRECT-DRIVE MECHANISM. FRONT VIEW OF MOTOR. REAR VIEW OF MOTOR., scientific american, 1905-01-28

Send for free Catalogue and see how to nave Honey. PATENTS MANUFACTURE OF BICYCLESA ASTRONOMY 11Lantern SlidesThis Season's Specialty. McINTOSH BATTERY & OPTICAL CO. Chicago. POWER PRESSES ARC A & E INCANDESCENT NE LIGHTING ARC LAMPS. INCANDESCENT

BY ORARLES ROBERTS F. R. O. S. ETC. Influence of Marriage upon Health. Apparatus for the Production of Ozone with Electricity of High Tension. Noctiluelne. ngham., scientific american, 1872-10-26

1877. STEAM RAILWAYS IN THE STREETS OF NEW YORK. THE EXTENSION OF TEA CULTURE. THE CONGO RIVER., scientific american, 1877-10-06

Rating Steam Engines., scientific american, 1870-11-26

A SINGULAR HABIT OF THE WOODCOCK. The Cultivation of Carp. Sponge Gathering around Key West. NATURAL HISTORY NOTES. The Wapiti. WOODCOCK CARRYING ITS YOUNG., scientific american, 1879-12-13

Screw Cuttiag Foot & 165W. 24 St. Cincinnati 0. THOMPSON IMPROVED INDICATLR American Stem Gauge Co. 2000 IN USE. POP SAFETY VALVES 84 Chardon Street Boston Maps. PHOTOCRAPHS. OIL WELL SUPPLY CO. Ltd. 91 & 92 WATER STREET Manufacturers of everything

RECENTLY PATENTED INVENTIONS. Engineering. Railway Appliances. CET. Mechanical. Agricultural. Miscellaneous. BUILDING EDITION., scientific american, 1889-12-21

RELIABLE. FULLY GUARANTEED. ECLIPSE BICYCLE CO. ERICAN SUPPLEM BY ANYONE FOR ANY PURPOSE Stationnries Portables Engines and Pumps. CHARTER GAS ENGINE CO. Box 148 STERLING ILL. ALI ARITHMETICALPROBLEMS FELT & TARRANT MFG. CO. MeALLISTER Mfg. Optician

MUNN & COMPANY CHAS. MASON. AO. TO OUR READERS. Binding the 'Scientific American.' BacIENumbers and Volumes of the 'Scientific American.”, 1864-06-04

ON THE FLOW OF ELASTIC FLUIDS THROUGH ORIFICES OR PIPES. 0410. OVERSHOT WHEELS., scientific american, 1869-07-24

IMPROVISED APPARATUS FOR STEAM BOILER TRIALS., scientific american, 1874-10-24

AN IMPROVED FRUIT DRIER. GILBERT'S FRUIT DRIER. A Hint Manufacturers Should Regard. AN IMPROVED SUSPENDER BELT. AN ELECTRIC STENOGRAPHIC PEN. COOPER'S ELECTRIC STENOGRAPHIC PEN Sinking of the Northern Coast of France. THE SHERMAN 'KING' VAPORIZER.

Lead-Colored Slate Pencils. Rubber Bands 44-60 Ea.st 23d Street New York N. Y. INDEX OF INVENTIONS United States were Issued for the Week Ending January 30 1906. AND EACH BEARING THnT DATE Reliable Marine Motors For Polishing and Sharpening OHIO

Cars and Accessories in an English Factory. Knitting the Net Which Covers the Balloon. Inflating a Balloon Showing the Anchor and the Arrangement of Ballast Bags. Ascent of a Military Balloon. Looking Down Down at a Bed of Clouds from the Car of a

Boracic Acid as a Preservative. AN IMPROVED FREIGHT CAR. Compressed Air for Blast in Cupola Furnaces. Sending a Sopranos. Voice by Express. AN IMPROVED POWER TREADLE ATTACHMENT. AN IMPROVED TOOTHED WHEEL. HARTMANN'S FREIGHT CAR. REDINGTON'S TOOTHED

EDITORIAL CORRESPONDEE CE., scientific american, 1868-02-22

'cog' in a wheel going always but making n progress write and learn how to prepare yourself for a really desirable position. CORTEZ CIGAR CO. KEY WEST. FOR VIZN OF BRAINS MARS Electric Cigar Lighter STANLEY & PATTERSON, scientific american,

How Can I Obtain a Patent ? How Can I Best Secure My Invention? Preliminary Examination. To Make an Application for a Patent. Caveats. Reissues. Trademarks. Design Patents. Rejected Cases. European Patents. FOREIGN PATENTS-.-A HINT TO PATENTEES. NEW

A VARIABLE DRIVING GEAR FOR BICYCLES. EISENHART'S VARIABLE DRIVING GEAR FOR BICYCLES. Milk Tickets as a Medi um of Infection. The Mystery of Mind. A LOW PRICED STEM WINDER. TEE 'CLIMAX' WATCH OF R. H. INGERSOLL & BROTHER. IlL. hillEFM SIM EMU In IUI

COMMUNICATIONS RECEIVED. INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending October 17 1876 AND EACH BEARING THAT DATE., scientific american, 1876-11-25

THE BIOSCOPE—AN INSTRUMENT FOR THE STUDY OF INSECT LIFE. What a Spider Looks Like Through the Bioscope. The Fierc'e Battle of Two Ants. DE GASPARIS'S BIOSCOPE—AN INSTRUMENT FOR STUDYING INSECTS., scientific american, 1904-12-11

Automatic Hand Winder The Brennan Motor 1.5 GUARANTEED Window opening or shutting appliance R All over the civilized world THE IMPROVED BOSTON GARTER Every Pair W ted CUSHION BUTTON CLASP Slips Tears nor Unfastens ALWAYS EASY REFUSE ALL SUBSTITUTES

scientific american, 1903-01-10

Soapstone. MOUTH VACUUM APPARATUS. MOUTH VACUUM APPARATUS. Mow they Unload and Load Ships at BuWalo. Wages on the New York Elevated Roads. I S Left Leggedness. A Visit—the Sherwin-Williams Co. Paint Factories., scientific american, 1889-10-26

Improved Fireproof Shutter. Improved Waste Removing Device for Carding Machines. Improved Insect Destroyer. Improved Dredging and Ditching Machines. Improved Furniture Spring. Preliminary Examination. Rejected Cases. To Make an Application for a

The 'Kaiserin Auguste Victoria'. The largest steamship. Stairway, a la Carte Restaurant. Elevator, music room, palm room, raised promenade section. Scientific American, 1906-06-16

An Electric Boat Crosses the Channel. ml 40A Small Locomotive. Seeing and Thinking. Destruction of Our Birds. Agreement Relating to Unpatented Inventions., scientific american, 1886-10-23

U. S. Circuit Court-Northern District of Illinois. The Cracking of Paint. Astronomical Notes. Mercury. Venus. Mars. Saturn. Uranus. Decomposition of the Elements. The Load of a Freight Car., scientific american, 1880-12-11

CHURCH ACOUSTICS. 13 22 E3 029 HERING'S PHONOMETER., scientific american, 91-03-14

APRIL 27 1872 BELTING AND PULLEYS., scientific american, 1872-04-27

scientific american, 1867-05-04

The actor taking the cigarette from the fairy. The fairy offering the cigarette to the actor. The man beneath the table blows smoke through the rose. . .t 41keir li. --sr a eV. N. t':mar XIII1 Tee ii Illtal 4 „ erAIA The fairy' shaken out of the

A Question. 1) . An Invention Wanted. 4E9 Alt, scientific american, 1867-08-10

ADJUSTABLE HARROW. PARKER'S ADJUSTABLE HARROW. IMPROVED MOWER. IMPROVED CORN PLANTER. Lime Juice. MILKING STOOL. COWAN'S MILKING STOOL. A Problem for the Inventor.TEETH & THOMAS' IMPROVED MOWER. NIETH & THOMAS' IMPROVED MOWER KENDALL'S IMPROVED CORN

THE START OV THE BALTIC FLEET., scientific american, 1904-11-05

4.Carpenters Poisoned by Chemicalized Wood. Mississippi State Fair., scientific american, 1870-10-08

scientific american, 1904-12-10

tents etc. 361 Broadway New York. BRANCH OFFICES.-No. 622 and 624 F Street PR OMO Building near 7th Street Washington D. C. GATE CITY STONE FILTER COMPANY A Natural Stone Filter ware Jars to hold the water. BALTIMORE B. C. BIBS & SON Telegraph and

WM. GRAVER TANK WORKS STORAGE TANKS. 3d Floor Rookery Bldg. CHICAG ILL. TO BUSINESS MEN 361 Broadway. New York. well Phillips ORDINARY RATES. Patent Foot Power Machinery Complete Outfits. Seneca Falls Mfg. Co. 9Overiisfirrneute. S Sebastian Lathe Go.

KEEP COOL AT HOME 20 LfGHT OUTFIT ACCURATE RELIABLE DURABLE Radium BIG BORE HIGH POWER RIFLES WINCHESTER REPEATING ARMS CO. - NEW HAVEN CONN. STYLISH (21 EFFECTIVE IN DESIGN A Practical Car for American Roads. THE WINTON MOTOR CARRIAGE CO. Cleveland

Carving an Elaborate Design. Smoothing Off the Pipes with Shave-Grass., scientific american, 1906-04-28

substituted for the Gram=o-phone which is abandoned including its The rights of the ZON=0=PHONE are exclusive under the joint pro tection of the patents of . . . . National Oram.o.phone Corporation & EXPERIMENTAL WORK. MODELS 50 YEARS' EXPERIENCE

THE KANGAROO AS A PRIZE FIGHTER. How to Make a Gas Engine Noiseless. An Ink Monopoly. An Alfalfa Crop. End-on Launches. THE KANGAROO AS A PRIZE FIGHTER., scientific american, 1893-01-14

A LIGHTNING AND HEAVY CURRENT ARRESTER. HUTCHISON'S CURRENT ARRESTER. AN IMPROVED STEAM CONDENSER. THE CHICAGO MOTOCYCLE RACE., scientific american, 1895-12-07

CHICAGO. CRESCENT BICYCLES DO THIS! regulated at any desired spe e d operated With without assist ance and at the cost of cent a mile is assured to the owner of a Winton Motor Carriage. dalgeNIERONSTOCS CABISIMCOCtlicZe.ViT:a PUNCHING & SHEARING

INGERSOLL ROCK DRILL CO. ROCK D AIR COMPRESSORS 84. ELECTRIC LICHT AND POWER. 9.0verfieemenfe. Inside Page each insertion75 cents a line. Back Page each insertion .81.00 a line. dison Lamps The Edison United Manufacturing Co. 65 FIFTH AVENUE. NEW

The proposed Parliament House in Berlin, Germany. 1 A Good Year for Iron Workers. Incendiary Rats., scientific american, 1873-03-08

NEW BOOKS AND PUBLICATIONS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted June 5 1883, scientific american, 1883-06-23

scientific american, 1905-06-10

To Close Out Machine and Boiler Shop. Prices Of Pratt's Astral Oil : out lEitisk to the Purchaser. EVERY WATCH WARRANTED by SPECIAL CERTIFICATE FROM THE AMERI CAN WATCH COMPANY. Just Published ASBESTOS. S .. (4' V' A NI WILL FIND TIIE Superb

Classified Advertisements BUSINESS OPPORTUNITIES. PATENTS FOR SALE. PATENTS WANTED. AGENTS WANTED. MOTION PICTURES. MODELS & EXPERIMENTAL WORK. AUTOS. AUTO ACCESSORIES. TYPEWRITERS. BOOKS AND MAGAZINES. CORRESPONDENCE SCHOOLS. SCHOOLS AND COLLEGES.

MECHANICAL INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS., scientific american, 1883-04-21

VV Workers Without Steam Power should SENECA FALLS MFO. CO. 695 Water St. Seneca Falls P.Y. WALWORTH RENEWABLE STEEL JAWS. WALWORTH MFC. CO. There is never any question about the quality of a B. F. BARNES UPRICHT DRILL. B. F. BARNES CO. Rockford Ill.

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. LXXVIINo. 26.1 THE STEEL GRAIN BINS—CAPACITY BUSHELS., scientific american, 1897-12-25

The Age of Gold. Metropolitan Hotel., scientific american, 1852-09-11

scientific american, 1862-12-06

The invention for which you procured a pat ent has been tried and it works tip top.' We have already been offered $7000 for one third of it.' The Great Telegralth. mencing to receive the first installment of the cable from a vessel alongside. The

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XIII—No. 141 Apparatus for Burning Petroleum. Paterson Locomotives. A New Plan for Raising the Atlantic Cable. MICINNEY'S APPARATUS FOR BURNING

RECENTLY PATENTED INVENTIONS. Railway Appliances. Electrical. Mechanical. Agricultural. Miscellaneous. NEW BOOKS AND PUBLICATIONS. BUILDING EDITION. FEBRUARY NUMBER(No. 52.) 351Breedway New York. 'Ziusiness an 'Wereonal. 30 oft in a gas holder or

The Effect of Sun on the London Asphalt Roads. Manufacture of Telegraph Cables. NID. Improved Miter Box. Ripping Tool., scientific american, 71-09-09

Robt. Poole & Son Co. Baltimore Md. OTTO GAWNGINES. 100 Sold. OTTO GAS ENGINE WORKS CHICAG PHILADELPHIA. New York Agency IS Vesey Street. 95 MILK ST. BOSTON MASS. THE BEST LIME KILN KNOWN or no pay. C. D. PAGE Rochester N. E. SHIELDS &BROWN CO. ESTA

scientific american, 1865-05-13

Crude Attempts at Telegraphy. EIGHTY-TON FLOATING CRANE FOR THE SANTOS furniture. AN ELECTRICAL GLASS-FURNACE. AN ELECTRIC GLASS-MAKING FURNACE. MAKING FURNACE, scientific american, 1901-10-05

Hair Culture Valuable Books JUSI. PUBLISHED Scientific American Reference Book 12m 316 Pages. Illustrated. 6 Colored Plates. Price 81.5 postpaid Home Mechanics for Amateurs EXPERIMENTAL SCIENCE. By GEORHE II. HOPKINS REVISED and ENLARGED EDITION

MILLOT'S HYDRAULIC WHEEL. THE MILLOT-HAUVEL WATER WHEEL THE PRINCIPLE OF THE FIRTH OF FORTH BRIDGE. THE FIRTH OF FORTH BRIDGE BY B. BAKER M. INST. C. E., scientific american, 1887-08-27

First Mortgage Serial Gold Bonds Zenith Furnace Co. of Duluth Minn. VALVED AT $1 000000 Bonds retired in numerical order. ¶20.000 each yea.r. 1904 to 1920 EST CHARGES AND THREE TIMES THE PRINCIPAL OF THE BOND ISSUE. Peabody Houthtelint 6 Co. 4 FIRST

Lever and quadrant bar reversing W. W. 9 Kleese877202 Lifting jack Topping & Plice 877386 2 Lightning rod L. L Mast877442, scientific american, 1908-02-11

scientific american, 1862-07-05

iminutmonomppy 16., scientific american, 1908-02-29

scientific american, 1907-06-15

Belting and Packing Co 37 & 38 Park Row. ASPHALTE ROOFING FELT. The Union Stone Co. GRINDERS SAW GUMMERS DIAMOND For Planing Paper Cutting Leather Split tin_g and other Long Knives. .THE HEALD& SISC VERTICAL AND HORIZONTAL Steam Super-Heaters.

General View of a Part of th THE MINNEQUA WORKS OF THE CO, scientific american, 1906-09-22

AN IMPROVED MILLING MACHINE. The Eclipse of the Sun. Fig. 1. THE VAN NORMAN DUPLEX MILLING MACHINE. Fig. 2. The Steamboat Night Record to Newburg Broken., scientific american, 1896-09-05

The Malleability of Iron. Great Circle Sailing. IMPROVED CIRCULAR AND ELLIPTICAL BORING MACHINE. with ordinary carmine ink red lines may be success fully drawn on blue prints. Netiv Yorkelevated Railroad Structures. Sudden Death to Plies. IMPROVED

search results: Art clear search