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DISCOVERY OF THE NEW WORLD BY COLUMBUS—THE ARRIVAL AT SAN SALVADOR OCTOBER 12 1492. THE FIRST VOYAGE OF COLUMBUS. Large Auxiliary Ship. Collision between a Steamship and a Whale., scientific american, 1892-01-09

Rapid Locomotive Building. Corroded Cannon Primers. A question for Locomotive Experts. A Remarkable Galvanic Battery. Wheat Analysis. Coal-Dust Explosions., scientific american, 1878-04-13

OCTOBER 20 1894.1 'DRY CELL' MEDICAL BATTERIES. THE HARMLESS SMOKER. UTILIZING THE WATER POWER OF NIAGARA FALLS. GREAT TUNNEL AND ONE OF THE WHEEL PITS AT NIAGARA FALLS., scientific american, 1894-10-20

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS VOLUME XII. NEW-YORK AUGUST 1 1857. NUMBER 47. COLEMAN'S GRINDING MILL. Scientific American BY MUNN dr. CO. The Transatlantic Telegraph. Improved Grinding Mill. Wood

TRADE MARKS. Ammonia ilterfumed Lasker Bros 25537 and iron carbonated W. B. Starbird Bitters stomach. J. P. Firmer 25540 Canned and cured meats a d lard and tallowRohe & Brother 25549 Canned fish J. H. Mohlman Company 25548 Codfish Prepared W. H.

INDEX OF INVENTIONS FOR WHICH Letters Patent of the United States were April 181876 AND EACH BEARING THAT DATE. SCHEDULE OF PATENT FEES Inside Page each insertion- 75 cents a line. Bark Page each insertion-.00 a line. Reverse Motion Moulding id

Practical hints to Inventors. How Caw I Best Secure My Invention ? Preliminary Examination. To Make an Application for a Patent. Caveat Reissues. Rejected Cases. Trademarks. Design Patents. Canadian Patents. European Patents. UNN & $7 Park Row New

OPTICAL GOODS AT THE EXPOSITION. THE WORLD'S COLUMBIAN EXPOSIT' ON—EXHIBIT OF THE G1TNDLACH OPTICAL COMPANY., scientific american, 1893-11-11

COMMUNICATIONS RESEIVED. [OFFICIAL. INDEX OF INVENTIONS Fog wawa Letters Patent of the United States were Granted in the Week ending April 27 1875 AND EACH BEARING THAT DATE. SCHEDULE OF PATENT FEES. CANADIAN PATENTS. Back Page81.00 a line. Inside

STEAM MOTOR CAR FOR BRANCH LINE SERVICE. A Tank for Model Ships. Accident to the Maasdam. LOCOMOTIVE OF NEW ENGLAND RAILROAD MOTOR CAR. STEAM MOTOR CAR FOR THE NEW ENGLAND RAILROAD COMPRISING LOCOMOTIVE SMOKER AND DAY COACH–CAPACITY 60 PEOPLE. Ice

Greenfield Mass. Prolong the Life of Your Battery PHOTOSCOPE M. S. KLINE A MONEY MAKER THE PETTYJOHN CO. B. F. BARN ES ELEVEN-INCH SCREW CUTTINC LATHE the self-starting ERIE Tools! Tools! Tools! ASBESTOS FIBRE for Manufacturers use A Nickel a Minute,

WASPS AND THEIR NESTS. 4 Fig. 3. WOOD WASP AND NEST SHOWING ARRANGEMENT OF THE LOWER COMBS., scientific american, 1881-11-12

THE LAKE ERIE AND OHIO RIVER SHIP CANAL. BY WILLIAM GILBERT IRWIN. to British territory in America. DR. JOHN HOPKINSON. MOUNT YILLIMANI ASCENDED. SOAP AS A DISINFECTANT. 0-4-4-0-41 Congress on Public Art in Belgium., scientific american,

REMARKABLE DIVERSION OF NIAGARA'S WATERS. THE REMARKABLE DIVERSION OF THE WATERS OF NIAGARA., scientific american, 1903-04-04

BELDEN OHIO. AMERICAN AGENCY IN LONDON. ELECTRICITY PAPERS ICE TYPE WHEELS. MODELS &EXPERIMENTAL WOW- IMALLISCHNEE1 ARBORUN DU M cessful use. Send 6c. for Illus. Cat. Circulars free. cleans lubricates and does not gum. I 15 Chambers Street New York.

NEW BOOKS AND PUBLICATIONS. NEW MECHANICAL AND ENGINEERING INVENTIONS. NEW WOODWORKING AND HOUSE AND CARRIAGE BUILDING INVENTIONS. ve 4 NEW HOUSEHOLD INVENTIONS. NEW MISCELLANEOUS INVENTIONS. NEW AGRICULTURAL INVENTIONS., scientific american,

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. WEEKLY. ' THE HARBOR DEFENSE RAM KATAHDIN. THE BATH IRON WORKS AND SHIPBUILDING YARD BATH ME. THE HARBOR DEFENSE RAM KATAHDIN LAUNCHED FEBRUARY 4 AT THE BATH

PROSPECTUS BRADFORD'S TACK-LEATHERING MACHINE, scientific american, 1865-10-07

POLARIZED LIGHT. LONGITUDINAL SECTION OF POLARISCOPE AND DETAILS. HALF SIZE. POLARISCOPE FOR MICROSCOPIC OBJECTS. HOLDER FOR GLASS TRIANGLE AND PAPER TUBE. FULL SIZE., scientific american, 1886-07-31

scientific american, 1877-06-11

THE PATENT LAW IN THE HANDS OF A CAM BRIDGE PROFESSOR. Brisk Times in Newark., scientific american, 1861-11-16

SAFETY SUGGESTIONS FOR OCEAN STEAMERS. The Coming of Columbu Ships. The Medical lUses of Compressed Gases. BY CLEMENT B. LOWE PH.G. M.D. 4, scientific american, 1893-01-07

HENRY CAREY BAIRD & CO. !Cheapest Water Power Typewriter. SANITARY SOAP VASE Rochester N. Y. U. S. A. This splendid work contains a careful compilation of SCIENTIFIC AMERICAN OFFICE AUGUSTA GEORGIA 60 SEPARATOR With Cream Overflow. A. H. REID

Convention of Alining Engineer's. THE SKIAGRAPH. Cutaneous Eruptions Caused by the Use of Certain f +-40 Mr. Laws ln's Boiler Experiments. Duration of Wire-Cable Bridges in France. The Cricket's Chirp and the Temperature. Boraelc Acid as an

The Atmosphere of the London Underground Railway. THE ACCIDENT TO THE STEAMER PLYMOUTH. THE GAME OF THE DEVIL. I IP A New Electric Locomotive. The Telescope of the Future. DOUBLE HULL OF THE STEAMER PLYMOUTH., scientific american, 1894-07-28

APPLICATIONS FOR EXTENSION OF PATENTS. Value of Extended Patents. MUNN & CO. 37 Park Row. Inventions Patented in England by Americans. Foreign Patents, scientific american, 1871-05-27

THE SCIENTIFIC AMERICAN., 60-09-08

SCIENTIFIC AMERICAN No. 361 Broadway. New York A 214-KNOT BATTLESHIP. COMPLETION OF THE PENNSYLVANIA DOUBLE TUNNELS. PANAMA CANAL TO BE BUILT BY CONTRACT. THE STATUS OF THE LIQUID BARRETTER., 1906-10-20

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broadway. New York THE MERCHANTS' ASSOCIATION AND THE JEROME PARK RESERVOIR. ST. LOUIS. THE OLDEST MAP OF ROME., 1903-06-20

original illustrations. 12 epeeist ohapter. on vital poultry subjeota. Write to our nearest office for It. Cyphers Incubator C Buffal N. Y. Chicago. III. FLY PAPER S. -- FORMULAS FOR He's Giving Away a Fortune A Masterpiece of Philanthropy by Hon.

scientific american, 1894-01-11

HOWARD& GERMAN ST'S. PAT. JAN1 -95 PITE.LE.PHONE.S ARM REST BELLS odued. N. Y. COMPLETE SMALL SIZE NEW MILLING MACHINE. ICE MACHINES. Corliss Engines. Brewers' GASOLINE ENGINES. GLOBE GAS ENGINE C VANDUZEN Term PUMP THE BEST IN THE WORLD. Pumps Any

Water Spouts. We have received the annual report of the above Institution for 1865. In addition to the reports of the Secretaries and a re-, scientific american, 1866-12-15

The Effect of Sunlight on Bacteria. DUPLEX TANDEM COMPOUND ENGINES.. 4ELECTRIC MOTOR AND MECHANISM FOR DRIVING THE HANDS OF THE TOWER CLOCK. WORLD'S COLUMBIAN EXPOSITION—DUPLEX TANDEM COMPOUND ENGINES OF THE WATERTOWN STEAM ENGINE CO., scientific

CHEAP PATENTS PATENTS CHEAPEN GOODS. American Manufacturing Industries. Proposed Exploration of Mexico. Road Engines and Wagons for Western Transportation. The Electric Middlings Purifier., scientific american, 1880-04-03

Jet Propulsion. Pittsburg and Other Great Cities. The Adjustment of Damages Arising from a Diversion of Water., scientific american, 1891-06-13

URANUS NEPTUNE SATURN JUPITER CONGRESSIONAL ENGINEERING. An Improvement in Ice Making. The Faure Storage Battery on Shipboard. The Effect of Bleeding on Inflammation. An Improved Stone Boat., scientific american, 1882-05-27

THE FIRST CHALLENGE—' CAMBRIA.' FOURTH CHALLENGE ' ATALANTA., scientific american, 1899-10-07

RECENTLY PATENTED INVENTIONS. Agricultural. NEW BOOKS ETC. Z3usi1te5s anti 'Wersonal. TO INVENTORS., scientific american, 1898-05-11

scientific american, 64-03-11

DENVER COL. 194 FIFTEENTH ST. RICHMOND VA. 1419 MAIN ST. CHICAG 84 MARKET ST. ST. LOUIS MO. 709 MARKET ST. SAN FRANCISC 2 CALIFORNIA ST. DOUBLE TUBE. HARTFORD ELEQpic LIGHT ' BURRAM ' English PORTLAND CEMENT. Or THE FOR 1552. 52 Numbers a Year.

Consider Her Ways.' WHEEL-BLOCKING SAFETY DEVICE FOR AUTOMOBILES. Electrical Devices. SELECTIVE CALL FOR TELEPHONES Of Interest to Farmers. Of General Interest. Heating and Lighting. Household Utilities. Machines and Mechanical Devices Prime Movers

The Exposition Medals and Awards. Merits of Steam Boilers Used at the Exposition. Butch Belted Cattle for Mexico. Things to Hit with a Hoe. quarrying. Common Sense on Chinese and Other Immigration. deemed advisable. Second require of every intending

BAYONET EXERCISE WITH OSCILLATING DUMMIES IN THE RUSSIAN ARMY. RUSSIAN BAYONET EXERCISES. THE POPOFF-DUCRETET APPARATUS FOR WIRELESS TELEGRAPHY. Fig. 2DETAILS OFTHE POPOFF DITCRETET RADIOCONDUCTOR. Fig. 1GENERAL VIEW OF THE POPOFF-DUCRETET

ALCOTT'S APPLE CORER., scientific american, 1859-04-02

IMPROVED AUTOMATIC SIGNAL APPARATUS. F IC.7 SECTION OF AIR CYLINDER OR DASH-POT IMPROVED AUTOMATIC SIGNAL APPARATUS. leCTION OF NACAZINE THRO UCH LINE A 8 FIC . TRE DETONATOR FIC5' PIC 4 END ELEVATION MAGAZINE PLAN OE MACAZINE AND FEEDING GEAR FIG

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broa.dwa.y New York SPEED ON THE ELEVATED RAILROAD CURVES MOVING SIDEWALK FOR THE BROOKLYN BRIDGE. FAULTY PIPE THREADS. A NOVEL TURBINE DESTROYER. ARMOR PLATE FOR THE RUSSIAN

Glib-Talking Fakir., scientific american, 1889-06-01

TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted June 4 1889 AND EACH BEARING THAT DATE., scientific american, 1889-06-22

THE SCIENTIFIC AMERICAN. 405, 1859-12-17

LORD KELVIN. Army Dirigible Airships., scientific american, 1907-12-28

A GEOMETRICAL PUZZLE. ENGRAVING ON GLASS. Belladonna in Asthma. THE ASH-COLORED SALAMANDER. Photography in Disease. THE ALEUROMETER—GLUTEN TESTER. . 406, scientific american, 1877-08-25

of steam navigation partly on his own dis coveries partly on the abortive and unprofit able experiments of others. He commenced his experiments in steam navigation as early ly as 1793 but laid them aside for objects lets worthy of his attention until

scientific american, 1906-07-07

4des of the river and up to a recent date when orders were SCIENTIFIC AND PRACTICAL INFORHATION. .4e KU CHER'S REHARKABLE OBSERVATIONS CONCERNING THE SUN. THE VIENNA EXHIBITION. THE DETROIT RIVER TUNNELS., scientific american, 1873-03-29

It Inspires the Habit of Thinking. GouldIng's Patent. The Cotton Manufacture. Mlle Practice. To Measure Belting. Vertical., scientific american, 1866-12-22

A TUBE OR PIPE CUTTER. BENADE'S TUBE OR PIPE CUTTER. A STEAM ENGINE INDICATOR STOP MOTION. 4AN IMPROVED RAILWAY CAR JACK. AN IMPROVED WINDMILL. What All Boys Should Know. Engineers' Licenses., scientific american, 1895-11-30

Traction Steam Engine Races. Science in Plain English. Atomic Motion. Cast Iron Wheels. Co-operation. DEVICE FOR SUSPENDING AND ATTACHING ARTICLES. Mechanical Equivalent of Zinc., scientific american, 1871-08-05

Caveats. Value of Extended Patents. Trademarks. Design Patents. Copies of Patents. MUNN & CO. 37 Park Row New York. Mow Can I Best Secure My Invention? Preliminary Examination. To Make an Application for a Patent. Foreign Patents. HOW T OBTAIN PATENT

A TOOL FOR DEHORNING CALVES. INGRAHAM'S DEHORNING TOOL. Fast Launches. AN IMPROVED PIPE HANGER. SCOTT'S PIPE HANGER.; MoFARLANE'S GIRTH FASTENER. AN IMPROVED ASTRONOMICAL MIRROR. O'BRIEN'S ASTRONOMICAL MIRROR. REVERSIBLE BLIND HINGES. PORTER'S HINGE

MO CONTRACTORSPROPOSALS WILL BE 'E DOLLAR COPYING PRESS IS A MOST — OR ASCERTAINING T H E MO MANUFACTURERS INVENTORS AND YEW SHINGLE MACHINE—THAT WILL RIVE, scientific american, 1860-05-26

NOVEL APPLICATIONS OF DYNAMITE. PROGRESS OF WESTERN MINING OPERATIONS. 40 4THE BOSTON WHITTLING SCHOOLS. THE RESTORATION OF CUBA. OUR SEPTEMBER EXPORT EDITION. THE AMERICAN PRIZES AT PARIS., scientific american, 1878-10-12

scientific american, 1855-09-08

The Microphone and Fire Damp. APPARATUS FOR CHANGING CAR TRUCKS. ATKINSON'S APPARATUS FOR CHANGING CAR TRUCKS. Georges Leclanche. The Atlantic Ocean Cable of 1869. Novel Fire Escapes., scientific american, 1882-10-21

MINE l U. S. COAST LINE OF BATTLE SHIPS. FRONT VIEW OF LINE OF BATTLE SHIP. DECK PLAN SHOWING ARCS OF ACTION OF GUNS OF NEW LINE OF BATTLE SHIPS., scientific american, 1891-04-25

ESTABLISHED 1845. NEW UNITED STATES CRUISER 'NEW ORLEANS' FORMERLY ' AMAZONAS' OF THE BRAZILIAN NAVY[See page 23, scientific american, 1898-04-09

Mr. Paine and his Detractors. Paine's Electro.Motor., scientific american, 1871-08-19

NOVEMBER1882Weeds and their Seeds. Sure Cure for Corns. Trial of an Asbestos Fire Shield. NAVAL SEARCH ELECTRIC LIGHT. Patent Law in Switzerland. American Public Health Association. New York State Salt Water Fish Hatchery. NAVEL SEARCH ELECTRIC

ANCIENT CHALDEAN REMAINS FOUND IN RECENT EXCAVATIONS., scientific american, 1905-07-08

RECENT INVENTIONS. Electric Coupling for Train Telegraphs. Book Support. Improved Bucket Elevator. Cultivator. Sample Displaying Lid. Novel Dinner Pail. Novel Timber Raft. An Army Surgeon on Shoes. Fatal Explosion of Fireworks. Aerial Photography and

0 WORKS MACHINERY HYDROSTATIC PRESSES ENGINES BOILERS CASTINGS WM. TAYLOR & SONS 23-39 Adams St. Brooklyn N. Y. RUBBER BELTING PACKING HOSE rr Et Jam. ca. 3z. ow THE GUTTA PERCHA AND RUBBER MFG. CO. AIR-CHAMBER COVERING. LOCOMOTIVE LAGGING. ASBESTOS

Horseshoe nail machinery, the rumbler, the heading machine, the shaping machine, scientific american, 1873-04-05

A DEVICE TO NAVIGATE THE AIR. AN IMPROVED BOOK HOLDER. STRIPPEL'S MAGAZINE AND BOOK SUPPORT. Metamorphoses of Fleas. AN IMPROVED BAGGAGE CHECK. AN IMPROVED LIFE RAFT. EDWARDS' LIFE RAFT. BECHTEL'S AIR SHIP. CRUMP'S BAGGAGE CHECK. AN IMPROVED REIN

Dividing Circles. The Legal Horse Power of Steam Boilers. The Wisconsin Steam Wagon Reward. Valve for Laboratory Use. New Rule for Calculating the Power of Steam Engines. Device for Protecting the Finished Parts of Screw-Cutting Dies. Ammonia as a

Iodine. About Mosquitoes. A Bad Habit. An Excellent Paste for Envelopes. Ambrotypes. Heating Factories with Steam—its Economy. American and English Flour. Proving of the Gravitation Theory., scientific american, 1855-04-07

scientific american, 1857-08-08

PHILADELPHIA RIVET WORKS—MANU rf1HE PRACTICAL MECHANICS' JOUR receipt of postage stamp. 1VIACIIINISTS' TOOLS FOR SALE AT TEAM ENGINES STE-AM BOILERS MHE WORKS OF THE AUBIN GAS CO. SECOND-HAND MACHINISTS' TOOLS MACHINE BELTING. STEAM PACKING 1VEW

Countershaft Durable and Efficient. STAR ELECTRIC NOVELTY CO. 621 Broadway New York. A. LESCHEN & SONS ROPE CO. LESCH EN CO.'S PATENT AUTOMATIC AERIAL WIRE ROPE TRAMWAY ROPE 920-922 N. Main St. 47-49 S. Canal St. 92 Centre St. ST. LOUIS MO. CHICAG

Tumbler washer 253 284 Turbine wheel gate 174 Turning irregular forms 109 Turning tool 818[2 Turpentine still 24 Tweer 317 263 ' Tweer iron 140 I Twine box. 221 Type casting machine 347 Type machine 109 Type setter 379 U Umbrella 62 M 157 382 I

Pumps. The Locomotive of the Future. NEW AND IMPROVED FORM OF SIMPLE MICROSCOPE. . ROFF'S AUTOMATIC PUMPING APPARATUS., scientific american, 1869-07-10

The George Place Machinery Agency Machinery of Every Description. IANO CO. -READING IRON WORKS 261 South Fourth St. Phila. U S. PMill Stones and Corn Mills. .1. T. NOYE SON Buffal N. Y. PERFECT NEWSPAPER FILE NUNN & CO. FIRDIENICH SAFETY STEAM BOILER

AND BLACKSMITH DRILLS. Rice Automatic Engine WITHOUT ITS EQUAL FOR CLOSE REGULATION ECONOMY OF FUEL DURABILITY BEAUTY OF CONSTRUCTION. The J. T. NOYE MFG. CO. Buffal N. Y. U.S. A. ICE-ROUSE AND COLD ROOM.-BY R. Steam Pipe and Boiler COVERINGS BRATED

A NOVEL CAR AWNING VENTILATOR. TO RING A BELL WITHOUT SWINGING IT. STRAIN'S BELL RINGING MECHANISM. A Simple Method of Regulating the Vacuum In X Ray Tubes. Modern Practice in Interior Wiring. SHILLING'S WIND WHEEL AN IMPROVED VEHICLE WHEEL. COURT'S

IMPROVED COUNTERSINK FOR BORING TOOLS. HOUSEHOLD: DEVICES GATES AND HINGES., scientific american, 1876-02-19

THE WONDERS OF THE EGG.IV. [LECTURE BY PROFESSOR AGASSIZ.1 Controlling Sex in Butterflies. The Hartford Steam Boller Inspection and Insuranse Company., scientific american, 1873-05-31

THE COMBINED THIRD AND TRACTION RAIL SYSTEM OF HAULAGE. DIAGRAM OF GOBRON-BRILLIE CARBURETER. ALCOHOL AUTOMOBILES AT THE PARIS ALCOHOL EXHIBITION. engaged in. COMBINED THIRD AND TRACTION RAIL SYSTEM OF HAULAGE. SECTIONS THROUGH GOBRON-BRILLIE MOTOR.

Vol. XXXV 23.1 NEW SERIES. I$3.20 per Annum. L [POSTAGE PREPAID. J IMPROVED BOILER CLEANER AND MUD EXTRACTOR. THE PUTNAM MACHINE COMPANY'S STEAM ENGINE. 4!' 4 % A MI -40IP. A Snake Show at Calcutta. XEMP'S BOILER CLEANER AND MUD EXTRACTOR. THE PUTNAM

ESTABLISHED 1845. MUNN & C Editors and Proprietors. PUBLISHED WEEKLY AT TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Scientific American Export Edition. Contents. 1%Tc:). BOA For the Week ending. October 29 1881. PATENT

The Largest Proposed French Airship. Plan and Details ot the Ashokan Reservoir and Dam. PROGRESS OF THE CATSKILL WATER SUPPLY. Aeroplane Developments In Great Britain., scientific american, 1908-03-07

scientific american, 1862-05-17

THE HORNED LIZARD. Progress of Our Southern Neighbors. The Sand Freezing Process. THE HORNED LIZARD., scientific american, 88-03-17

50 YEARS' EXPERIENCE PATENTS Scientific American. GO INTO BUSINESS ON OUR CAPITAL. MADE $105 THE FIRST MONTH Technical Writer Wanted. Scranton Pa. ELECTRICAL ENGINEERING TAUGHT BY MAIL. EARN MORE WHILE LEARNING EDUCATIONAL NOTICE. GERE GASOLINE

How to Make an Application for a Patent. a distance can often be sent cheaper by mail. The safest way to renal money is by draft on New York payable to the order of Munn it Co. Persons who live in remote parts of the country can usually purchase

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. Vol. XXXVINo. 21. [NEW SERIES. THE DELAWARE AND LACKAWANNA TUNNEL THROUGH BERGEN HILL N. d., scientific american, 1877-05-26

2 ORNAMENTAL ENTRANCE GATE. Incombustible Houses. Learning a Trade. A Seed Tester. A Scientific Centenarian. SUGGESTIONS IN DECORATIVE ARTORNAMENTAL CAST IRON GATEWAY., scientific american, 1883-04-07

551 AUGUST 24 1895. THE CUBAN INSURRECTION. A New Method of Making Lantern Slides. BY E. W. SCRIPTURE YALE UNIVERSITY. The Pigeon Tremex. FORT JARAY NEAR SANTIAGO DE CUBA. Long Distance Telegraphing., scientific american, 1895-08-24

SPECIAL CORRESPONDENCE OF THE SCIENTIFIC AMERICAN. THE PARIS EXHIBITION. Our Foreign Commerce. The Austrian Sugar Industry. In an important export to the Orient. To Keep Iron Pipes from Rusting. heating., 1889-08-31

Cost of Steam and Water Power. Donald NoKay on our Ships-of-War. NEW YORK COURT OF COMMON PLEAS. Liability of Telegraph Companies. average speed of express trains upon them is 24.3 Miler per hour., scientific american, 1862-04-05

Ice Formations. Errors in Regard to Gravitation. Inspection of Steam Boilers. The Unit of Work and the Unit of Force. PROFITS OF ADVERTISING. RECENT SPECULATIONS ON THE EARTH'S ORIGIN., scientific american, 1870-03-26

CENTENNIAL NOTES. 40 4 9 1 RAMBLING NOTES. Zinc Roofing., scientific american, 1876-10-14

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