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ACTION OF GELATINE UPON GLASS. NEW ELECTROMAGNET FOR MAGNETO-OPTIC WORK. SCIENCE NOTES., scientific american, 03-03-14

THE HUDSON RIVER TUNNEL AT NEW YORK., scientific american, 1875-04-03

The WESTINGHOUSE THRASHING MACHINES ENGINES AND HORSE POWERS. BAIRD'S Valuable and Indispensable LIST No. I. Bell. flepentsyintule easy. Kplates. 8v . 000 The George Place Machinery Agency STRUCTURAL IRON. SURFACE FILE HOLDERS. PAYNE'S FARM ENGINES.

Contents :, scientific american, 1866-09-01

ENGINEERING INVENTIONS. MECHANICAL INVENTION. MERICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS NEW BOOKS AND PUBLICATIONS., scientific american, 1886-12-11

Back Page$1'00 a line. Inside Page 75 cents a line. No. 1 Vol. 2 for January Now Ready. Published Monthly at $5 per Annum ; Single Numbers 50c. THREE THINGS WORTH KNOWING. A PAPER FOR ALL CHTLDREN. Published Monthly at 50c. a Year. UNION STONE CO.

scientific american, 1870-08-06

scientific american, 1866-04-07

Skinning and Mounting an Ostrich. BY OLIVER DAVIE. ELECTRIC SHOOTING PULL. THE ELECTRIC SHOOTING PULL. end of the large toe. not hug the pulleys., scientific american, 1892-04-23

and retaining it relatively with the wind and the exposed buckets of the wheel C to regulate the speed thereof as described. Third The hinged or adjustable vane F in combination with the rotating and adjustable cap or shield D and wheel C as and for

MERICAN Vol. LXXXIXNo. 26., scientific american, 1903-12-26

Heat in Mines., scientific american, 1868-10-28

NOVEMBER 13 1897. THE SEVENTH INTERNATIONAL GEOLOGICAL CONGRESS - THE CAUCASUS EXCURSION. BY E. 0. HOVEY PH.D., scientific american, 1897-11-13

NEW INVENTIONS. Positive Pictures on Gelatin Chloride. Terra Cotta Lumber. A Notable Chinese Scroll., scientific american, 1881-11-26

SHEETS RODS TUBING WASHERS MADE HARDOR SOFT. FOR GENERAL USE IN THE MACHINE SHOP. BARNES' New Friction Disk Drill. FOR LIGHT WORK. Has these Great Arloantagest W. F. & JNO. BARNES CO. VOLNEY W. MASON & CO. Car Delaney's Metallic Gaskets Third &

scientific american, 1870-11-11

White Sheep Skins for Door Mats. An Extensive Sugar Refinery. great Fishing. Manufacture of Matches. Jewelry. LITERARY NOTICES. Manufacturers and. Inventors. 128 Fulton street New York. Terms ! Terms! Terms ! $l $8 $22 $28, scientific american,

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XXXIXNo. 25. WATER ELEVATOR OPERATED BY AMMONIA, scientific american, 1878-12-21

Send for Circulars. ROPBR HOT AIR WOOD-WORKING MACHINERY. WORKING CLASS PATENT OLD ROLLEG SHAFTING. Turbine Water Wheels. $25 A DAY! Improving the Harbor of San Francisco. $72.00 EACH WEEK. U. S. Plano Co. 810 Broadway N.Y. Planing and Matching

scientific american, 1859-07-23

1 4 BIBB'S Cekbrated Original To warm upper and lower roome. Coal Stoves in the world. Foundry. Oflioe and Salesrooms 39 and 91 Light Street Baltimore. Md. MARBLEIZED SLATE MANTELS. farelend for Circulars WANTED. TWO LOCOMOTIVES WOOD WORKING

Scidentif LIST OF PATENT CLAIMS Issued from the United States Patent Office VALVES OR GATES FOR OBLIQUE FLOAT PADDLE GRANULAR FUEL FROM BRUSHWOOD AND TWIGS. PREPARING COTTON YARN FOR THE MANUFAC TURE OF BUCK AND OTHER COARSE FABRICS—By PREPARATIONS

190 THE SCIENTIFIC AMERICAN. MOM, 1860-03-17

ARMSTRONG'S No. 0 THREADING MACHINE 20th Edition Revised and Enlarged. 361 BROADWAY NEW YORK. TRADE MARKS. Full Ruby Jeweled. DUEBER-HAM1PDEN WATCHES WILLIAMS BROS. Ithaca N. Y. THE LAMP OF LAMPS CLOVER LEAF LAMP KwoJV1sKoP Color Photography 1324

BOILER CLEANER COMPOUND ACCESSORI ES. C &PRIVATE USE NEW YORK. PrIlLADFLPHIA LITLENSA 10 I. SAN 1RANC13:0 Pyrometers Barometers Thermo meters Hydrometers AT A TEST Gearhart's Family Knitter. 3B. ear ART 4 Stone Street. Clearfield Pa. The CLEVELAND

732332 Package tie Jacobson & Trede 732081 Packing stuffing box J. McCallum 732579 Paper bags or the 'like holder for piled Paper box folding G. A. Hartramnf 732071 Paper box gluing mechanism W. S. Scales 732225, scientific american, 1903-07-11

A MICROSCOPIC AQUARIUM. Stalactites from Masonry. Oyster Culture in America. TB BALLOON ASCENT OF MM. SIVEL AND CROCE-SPINELLI, scientific american, 1874-06-20

NO. 37 PARK ROW (PARK BUILDING) NEW YORK. Contents : SOLUBLE GLASS. successfully employed to set type it mud require the atten THE USES OF HABIT., scientific american, 1871-02-04

The Scientific American Boy at School By A. RUSSELL BOND 12mo. 338 Pages. 314 Illustrations. Price $2.00 postpaid. Compiled and Edited by A. RUSSELL BOND 12mo. 467 Pages. 370 Illustrations. Price $2.00 postpaid. Concrete Pottery and Garden Furniture

A Sorry Blank. Boston Water Works. Grand Rapids. Legacy Lost. The Power of the Press. The Quickest Trip. Durability of Oak. Gold Leaf. The latest method of Raising the Wind. American Iron. An Army of Colporteurs. Telegraphic. Trade in Mexico. Chinese

With fewer parts than others attains more ends. The material and workmanship insure durability. Adopted by the United States War Department. MESSRS. MUNN & Co. SO303 PATENTS WOODEN TANKS. GAS AND GASOLINE ENGINES FROM 1 TO 10 HORSE POWER FOR ALL

WOODWORTH PLANERS CILES BRO. & co. COLES WALES & CO. 53 and 55 State Street Chicago. . No. 13 igaiden Lane New York Safety Store Elevators Prevent Accident 01 Rope Belt and Engine break. 100-Horse power. VALENTINE'S IMPROVED Fourneyron Turbine.

scientific american, 1857-06-27

A Novel Tracing Desk. An Ingenious Faucet. Bushing for Barrels. Grain Drier. An Improvement in Side-bar Vehicles. An Extension Circular Table. A Novel Table Leaf Support. An Ingenious Car Truck., scientific american, 1882-05-20

THE VICTORIA REGIA. Telephone Notes. s The Improvement of Southern and Western Rivers. Trial Trip of a New Twin Steamer., scientific american, 1878-04-20

Steam en the Canal.The Reward of One Hun. dred Thousand Dollars Offered by the State of New Yorkillodification of the Preliminary Testa Required. Recent Patent Decisions. MANUFACTURE OF PINS, scientific american, 1872-08-31

BY J. CARTER BEARD. NEST OF THE TREE ANT INDIA., scientific american, 1901-04-27

scientific american, 1860-11-24

102 Poisonous Colors. EIRE AND WATER INDICATOR. AUTOMATIC SAFETY APPARATUS. Edison's Electric Light. New Mechanical Inventions. AVELINO & PORTER'S ROAD AND FARM LOCOMOTIVE A, scientific american, 1879-02-15

INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending AND EACH BEARING THAT DATE., scientific american, 1882-05-20

Some Facts about Diamonds. HUNTINGTON'S SELF-ACTING SAFETY-VALVE. THE CALORDTETER OF BOILERS., scientific american, 64-09-17

KENT COMPANY. CAPITAL $2000000. BARREL MACHINERY. AUTOCOPYIST ST. IPAIIL MINN. (BANK OF MINNESOTA BUILDING.) SCIENTIFIC AMERICAN SUPPLE 10 cents. Alecto be had of newsdealers in all parts of the country. Print Your Own Cards! Barnes' Pat. Foote Hand

WOW THE GREAT MOLE WEED OF THE PRAIRIES. The Plumbers In Luck. The Pestered Man of Earth. THE GREAT TUMBLE WEED OF THE PRAIRIES. THE GREAT TUMBLE WEED OF THE PRAIRIES., scientific american, 1882-12-02

THE NEBULAR HYPOTHESIS. Singular Break Down of an Engine. Edge Tools Luminous Electrical Tubes. Antiquity of Birds., scientific american, 1872-05-25

270 ?he of rientifir rnairatt. Improved Car Spring. A Large Filter. TOSRACH'S CAR SPRING. A NEAT THING INVENTORS MECHANICS AGRICULTURALISTS. PROSPECTUS MECHANICAL JOURNAL IN THE WORLD JANUARY 1 1865. NUNN & CO. Publishers, scientific american,

FOREMAN'S SEEDING-MACHINE., scientific american, 1859-10-08

Vol. XLIINo. 3.1, scientific american, 1880-01-17

Improved Wheat Cleaner. Improved Mail Bag Holder. Improved Machine for Cleaning and Separating Grain. Improved Slate Roof. Improved Spring Board for Vehicles. Improved Music Leaf Turner. Improved Watch Regulator. Improved Joint for Check Row Cords.

ENGINEERING. AERONAUTICS. the entries for the contest. SCIENCE. phosphorus may be added., scientific american, -1909-02-06

Dimension. To Our Subscribers., scientific american, 1908-12-26

Barn Door Hangers THE COBURN TROLLEY TRACK MEG. CO. SURFACE GAUGE. 0 THE OBER LATHES QUEEN & CO. Optical and l'ho Auto1ialItoscarch 52 BEAVER STREET. NEW YORK. ARMSTRONG'S No. 0 THREADING MACHINE If You Want the Best Lathe and Drill AT LAST I HOUSES

Gas Burning and Superheating Boiler. SWIFT'S SASH-WEIGHT ATTACHMENT. Unique River Steamboat. LESLIE'S STEAM BOILER. What We Are Coming To. Oiling the Sea. HUTTON AND MEE'S IMPROVED BLIND ROD. 41-41. 41. American Banking Rouse in Paris., scientific

AUTOMATIC PAPER-FEEDERS FOR PRINTING MACHINERY. loosen the to p Paper Feeder Applied to a Cylinder Press. Caliper. Paper Feeder in Operation. AUTOMATIC PAPER-FEEDER FOR PRINTING MACHINERY Carriage. Buckler. Pile Elevator, scientific american,

NEW GAS MOTOR. SMALL GAS AND GASOLINE MOTOR. GASOLINE OR GAS HOISTING ENGINE. The Care of Watches. A NOVEL SHAFT BALANCE LA FONTAINE'S SHAFT BALANCE. The Alleged Occurrence of Frogs in Blocks of Stone., scientific american, 1897-06-12

Electric light circuits automatic safety switch for. W. Sawyer 230346 Electric switch Molera & Cebrian 230321 Emery cloth F. K Sibley 230202 Excavator. W. P. Smith . 280358 Fare register J. B. Benton 280169 Faucet valve L Brandeis 230173 Feed water

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. THE EDWARD WESTON EXHIBIT AT THE INTER NATIONAL ELECTRICAL EXPOSITION PHILADEL PHIA THE EDWARD WESTON EXHIBIT AT THE INTERNATIONAL ELECTRICAL EXPOSITION

with copper the new steel vessels authorized to be built for the navy will result in the raising of a great crop of barnacles on the hulls of the gunboats and cruisers. Several thousand dollars have been expendedln ex sheathing. Glorreeponbencei The

TULARE LAKE BASIN AGAIN FILLING UP. THE CURRENT SUPPLEMENT., scientific american, 1906-11-10

. SEBASTIAN LATHE C?digifiklic Heavy Overloads are Carried Safely THE NICKEL PLATE ROAD AGAIN SELL TO THE PACIFIC COAST. Warren's Natural Asphalt Sand Surfaced HIGKEST GRADE GREY IRON CASTINGS For Gasoline Engines and Cylinders FRONTIER IRON WORKS 2

petition specification and oath except the government fee. copy by addressing a note to this office stating the name of the pat entee and date of patent when known and inclosing $1 as fee for copying. We can also furnish a sketch of any patented

The Clashing of Atoms. AN IMPROVED ICE PLOW. No Scale Wanted In California. AN IMPROVED ROTARY ENGINE. LYCAN'S ROTARY ENGINE. Strychnia in Snake Bite. A Fortunate Use of the Microphone. AN IMPROVED DUMP CART. PRAY'S ICE PLOW. SMITH'S DUMP CART,

Baltimore Md. U. S.A. HE Berkefeld Filter Burglar Alarm. Is a Smith & Wesson SMITH & WESSON 14 Stockbridge St. Springfield Mass. CITY ON NEW YORK. NOTICE TO CONTRACTORS. YOUR MONEY BACK IF YOU DON'l LIKE IT. SIMPLEX TYPEWRITER CO. 636 First Ave. New

LIGHTNING Flour Drugs Plasters Cincinnati Ohio. Victor Bicycles! GRAND PRIZE—PARIS EXPOSITION 1889 THIN PANEL STOCK In Whitewood Walnut etc. HENRY T. BARTLETT CABINET WOODS I MAHOGANY NEW KODAKS Seven New Styles and Sizes ALL LOADED WITH

The Skin Permeable to Liquids., scientific american, 1870-10-29

MACHINES FOR ROLLINC SCREW THREADS. BLAKE & JOHNSON P. 0. Box 7. Waterbury Conn. Cutting Dies FOR PAPER. CLOTH Power Screw Cutting Itherr Lathes Seneca Falls N. V. U. S.A. FRICTION DISK DRILL Has These Great Advantagess W. F. & JNO. BARNES CO. 1999

Electric Bells. ROCK DRILLS COMPRESSORS FUSE04 ' PORTLAND CEMENT Pond's Tools Engine Lathes Planers Drills dEe. Every Man His Own Printer! $3 Press Meriden Conn INC CELS REMEDY FOR BALDNESS. & H SUR CAMERON Steam Pumps For Nines Blast Furnaces

Tea and Milk. Medicine and Medical Practice in China., scientific american, 1871-09-02, the new hotel, Cairo, Egypt

CONSTRUCTION OF RAILROADS IN BRAZIL. AMERICAN MANUF'G CO. Franklin Mass PENs. PENCILS HOLDERS CASES &c. The CALLI-CRAPHIC Pen. MABIE TODD & BARD Leffel Water Wheels Prices Greatly Reduced. WM. SELLERS & CO. 79 Liberty Street New York. SURFACE FILE

TH - Contents:, scientific american, 1866-04-14

ROOM AND CONNECTION BOXES FOR SWITCHBOARD., scientific american, 1889-03-30

It was unknown as its history A NOVEL CHAIN-STOPPER. AN IMPROVED BLOWPIPE. AN IMPROVED BLOWPIPE. ELECTRIC HOISTS ON THE COMSTOCK. BY LEON M. HALL. ELECTRIC HOIST INSTALLED ON THE COMSTOCK., scientific american, 1901-07-27

RATES OF ADVERTISING., scientific american, 1862-10-11

Harrison Safety Boiler. 25000 HORSE POWER IN USE. HARRISON BOILER WORKS Philadelphia Pa. PULLEY BLOCKS Best. '-01CHalISE H -A.A.TT Spoke Works. IRON STEAMSHIP BUILDERS. PENN WORKS MARINE ENGINES BOILERS ETC. Patents on Designs. MUNN & CO. LeCount's

OXYGEN FROM BLEACHING POWDER. The Crater of Popocatapetl., scientific american, 1881-06-11

scientific american, 1860-06-02

246 RECONSTRUCTION IN CONCRETE OF DRY DOCK No. 2 NEW YORK NAVY YARD. a O. NEW CONCRETE DOCK BROOKLYN NAVY YARD. A New Use for Fogged Plates. OCTOBER 20 1900. eorresponDence. The Color Screen for Astronomical Telescopes., scientific american,

The Orange Trade in New York. BRONZE LATTICE OR ME GUARD. The Last Eruption of Mount Vesuvius. Look to Your Fireplaces. Iron Wood Screws etc. Cost of the Yellow Fever. The Catalpa. 'BRONZE LATTICE OR FIRE GUARD, scientific american, 1879-01-11

purpose will produce 50.000 ba.rrels of Portland cement a day or over 15.000.000 barrels a. year. No other mill approaches such a record. because no other mills begin to work as chea.ply r a.s sa.tisfactorily. Write for our illustrated descriptivt

EAFNESS man Physician. Is a POSITIVE remedy in Every Stage. York Pa. HYDRAULIC FLANGED HEADS Unequaled for Strength and Uniformity. IS CIF& A.1 7'1'0 96 Lake Street Chicag 57 Oliver street Boston. 2 Liberty Street New York., scientific american,

Fire and Sunshine Experiments. FOREIGN SCIENTIFIC NEWS. An Opportunity for American Gun Makers. The Grasshopper Scourge. NEW INVENTIONS., scientific american, 1866-10-06

Inside Page each insertion75 cents a line. Back Page each insertion .S100 a line. USE ADAMANT WALL PLASTER ADAMANT MFG. CO. 71 E. Genesee Street Syracuse N. Y. LATHE dealers. PRESSES SEBASTIANMAY&CO'S ROCK DRILLS AIR COMPRESSORS 84(: CABINET WOODS

PREHISTORIC MEXICAN SIGN WRITING. The Five Regions of the World and Their Deities. l MOWniHliliffl Goddess of the Period of 59 Days performing some Ceremony. PREHISTORIC MEXICAN SIGN WRITING., scientific american, 1902-10-04

IF YOU HAVE A SHOTGUN SENECA FALLS MFG. CO. a es ATHEs'2T° HAVE THE LATEST IMPROVEMENTS. fected tntos. For inetunee the ASHLEY PATENT NIPPLE HOLDERS BARNES' FOOT POWER 1999 RUBY ST. ROCKFORD ILL. MAXIMUM POWER-MINIMUM COST. TABER ROTARY PUMP The

APPARATUS FOR COMBINING RECTANGULAR VIBRATIONS. A Caesarean Operation. NEW GRAIN METER BARNARD'S GRAIN METER. The Color Blind Scare. The Voice APPARATUS FOR COMBINING RECTANGULAR VIBRATIONS, scientific american, 1880-10-23

biplane. CAPT. CODY'S BRITISH ARMY AEROPLANE. CAPT. CODY'S BRITISH ARMY AEROPLANE. Rut Ruootil, scientific american, -1909-09-18

THE SAVAGE RIFLE—SMOKELESS POWDER AND EXPANDING BULLETS. WOUNDS CAUSED BY SMOKELESS POWDER AND EXPANDING BULLETS .-40 Improved New York Postal Service. Automobile Vehicles in Warfare. Recovery of a Body on Mont Blanc. AN ANKLE BRACE FOR SKATERS.

The Curious Effect of Metals Upon a Fungus. The 'Sleeping Sickness of West Africa.” The Use of Heat in Operative Surgery. Lantern Slide Making. The Pollard Electric Lamp., scientific american, 1894-06-02

AUTOMATIC COUNTING MACHINE PRICE 84.00 Marshal .1z Smith. 235 East 21st St N. Y. COMPETITION. BARNES' NEW Patent Velocipede Grinding and Polishing Machine. W. F. dc John Barnes C 1999 Ruby St. Rockford Ill. Windsor Locks Ct. WEAK NERVOUS PEOPLE

provided with a wheel which runs on or against an annular way on a platform of the crane in connection with wheels attached to a horizontal arm of the mast bele the platform and which wheels run in contact with the under side of tbe mast. the purpose

COMPRESSION Pumping Engine NEW HAVEN MANUFACTURING CO. MACHINE TOOLS SPEAKING TELEPHONES. CET THE BEST AND CHEAPEST. VER M I UNIVERSAL PATENTS. STEAM PUMPS CETE137:2A_TED, scientific american, 1883-04-14

Shad and Striped Bass in Lake Ontario. Sea Weeds as Food. The Salt Product of New York. The Wheat Crop of 1879. RECENT DECISIONS RELATING TO PATENTS TRADE MARKS ETC. By the U. S. Circuit Court. PAPER CAR WHEELS. By the U. S. Circuit Court—Eastern

WIRE GUN CONSTRUCTION IN THE UNITED STATES. DELAY IN FURNISHING COPIES OF PATENTS. Motor Cars on the Brooklyn Bridge. Experiments with Melinite at Avignon., scientific american, 1896-11-28

ENGINE CASTINGS SEND STAMP FOR CATALOG PALMER BROS. Mianus Conn Twelfth Edition Now Ready. THE SCIENTIFIC AMERICAN 12500 RECEIPTS. 708 PAGES. Price $5.00 in Cloth ; $6.00 in Sheep; $6.50 in Half Morocc Postpaid. FLOU; ARBORUNDUM COMBINED. Wonder-Tube

S. CAMERON AND GEORGE W. READ au CO. The Union Stone Co. TOOLS and WOOD'S PATENT KNIFE-GRINDER For Planing Paper Cutting Leather Split VENEERS EMERY GRINDER NO. 3. THE TA.NITE COMPANY L. L. & J. T. Smith Nickel Platers PATENT (SOLD ROLLED Nio

scientific american, 1871-06-11

Interesting Facts Concerning the Carpet Industry of Persia. Why Do We Smell THE CAVITE DRYDOCK., scientific american, 1906-01-06

On Drops. 'Wining Phenomenon. The British Army and Navy. Scale in Boilers. [For the Selentifte American.), scientific american, 1865-03-18

The Care of House Plumbing. The Inventor of To-day. Mat Manufacture in Cochin. Endurance of the Odor of Musk. 4, scientific american, 1890-05-10

Suez Canal Figures. Labor Conditions In Germany. The Current Supplement. Contents., scientific american, 1901-10-12

BULL'S SELECTIVE SYSTEM OF WIRELESS TELEGRAPHY. ff Fig. 3.-The Transmitter Showing Connections Between Disperser and Induction Coil., scientific american, 1903-03-21

search results: Art clear search