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North Chelmsford Mass BUI1_DING WIRE ROPE. 6 HOWARD ST. New York w ARC iliTECT T.A. S. CAMERON & CO. ENGINEERS Works foot of East 23d1 Street New York City. DISASTROUS EXPLOSION Practically Tested FOIL TEN YEARS. HARRISON BOILER WORKS Weston's Patent

THE CHILDREN OF MECHANICS. THE STEAM ENGINE INDICATOR. A. AMY, scientific american, 1866-07-28

The Educational Value of Machine Work. Commercial Emery. Big Fortunes from Little Inventions. New Coaling Stations., scientific american, 1898-09-17

RECENTLY PATENTED INVENTIONS., scientific american, 1892-10-11

DRINK The Satisfactory Beverage Thirst-Quenching Sc. Everywhere Asbestos and Magnesia Products STEAM PIPE AND BOILER COVERINGS. '1-M' ASBESTOS ROOFING. ASBESTOS FIRE.RESISTING CEMENIS. KEYSTONE HAIR INSULATOR. ASBESTOS BUILDING MATERIALS. ELECTRICAL

scientific american, 1860-06-16

AN IMPROVED ELEVATED RAILWAY STRUCTURE. Largest Brandy SUB. wonder what becomes of all its products. When run A GIANT TRICYCLE. A WINDMILL POWER TRANSMITTING GEAR. HOPFNER'S WINDMILL POWER TRANSMITTING GEAR. 2 TOAL'S ELEVATED RAILWAY STRUCTURE.,

Tractive Power of Locomotives. AN INTERESTING ELECTRICAL EXPERIMENT. INEXPENSIVE CARBON PLATES FOR GRENET BATTERIES ETC. BY CHAS. FETZES. EXPERIMENT WITH MIRRORS. Pottery in Limoges. 'EXPERIMENTAL ELECTRIC FUSE., scientific american, 1888-10-27

scientific american, 1859-08-13

OCTOBER 29 1892. Ziussineze an rAPersonat. NEW BOOKS AND PUBLICATIONS. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted October 18 1892 AND EACH BEARING THAT DATE., scientific american, 1892-10-29

BAIRD'S FOR PRACTICAL MEN. STEM WINDING PERMUTATION LOCKS. MAHER & GROSH ROOFING. AUCER. BIB B'S FIRE-PLACE HEATERS B. C. BIBB & SON Baltimore. d. MACHINISTS' TOOLS. NEW HAVEN MA NU FACTUlt ING New Haven Conn. Tramway Ropes Champion Barbed Wire etc.

IMPROVED STILL COLUMN. 4-4. IMPROVED BARREL FAUCET BUSHING. A Hint to Young Mechanics. The Manufacture of Rough Leather. DIANTEY'S BARREL FAUCET BUSHING. DEYDIANN AND: DIEICHEBS STILL COLUMN, scientific american, 1876-01-15

Scientific American 451 The Political Economy of Good Roads. This Year's Nobel Prizes for Scientific Awards. The :Tuberculosis Exposition at New York.How to Destroy Explosives Safely., 1908-12-19

230 Zin ffictentifir 4mertatn. Extracting the Metals from Auriferous Quartz., scientific american, 1866-10-06

scientific american, 1867-03-09

THE CABLE CARS OF THE BROOKLYN BRIDGE. BRIDGE. OPERATING THE CARS OF THE BROOKLYN MECHANISM FOR Comet Photographs., scientific american, 1883-10-13

r$3.00 A YEA lg. Vol. LXXI 61 XIV? FOUR TRACK RAILROAD DRAWBRIDGE FOR NEW YORK CITY. THE DRAW SPAN OF THE FOUR TRACK HARLEM RIVER BRIDGE STONE ABUTMENT Awn ELEVATED ROADBED., scientific american, 1896-02-08

26850000 gallons. Preparations are being made in Italy for the Brescia circuit race for the Florio Cup which is to be one of the most important racing events of the season. It will be held during next September. The route which the head of the local

The Reduces Fuel Bills One-half 50 YEARS' EXPERIENCE PATENTS Scientific American. DUEBER WATCH CASE MFG. CO. CANTON OF ID. & EXPERIMENTAL WORK. INVENTIONS PERFECTED. D'AMOUR &LIT.TLEDALEMACHINE CO! 'Sake Models of Any Machine to Order. CORK SHAVINCS

Engineering Improvements. Mechanical Devices. Vehicles and. Their Appliances. Miscellaneous Inventions. mixture. The leading feature of this process Designs. date., scientific american, 1901-07-11

100-Horse power. per Minute Best Pumps in the World pass Mud Sand Gravel Coal Grain etc. with out injury. All Light Simple Durable and Economical. k‘ MOLDING MORTISING TENONING & SHAPING MACHINES; BAND SAWS SCROLL SAWS MAC INES &c. Worcester Mass.

THE SCIENTIFIC AMERICAN SUPPLEMENT Ncs. 4013 DECISION IN THE BELI DRAWBAUGH TELEPHONE SUIT., 1884-12-20

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at 361 Broadway New York 361 Broadway New York, 1908-07-18

COAL CAR A HANDLING CYLINDER. DUMPING MACHINE—THE CAR A COAL CAR DUMPING MACHINE. Long Tongued Bees Needed. To Mend Broken Plaster Casts.:, scientific american, 1895-11-16

INDEX OF INVENTIONS Letters Patent of the United States were Granted in the Week Ending AND EACH BEARING -THAT DATE. aktivertiorlootulo. Inside Page each insertion 75 cents a line. Back Page each insertion 88.00a line. THE DINGEE & CONARD CO'S NOW

H. Seher TO INVENTORS INDEX OF INVENTIONS For which Letters Patent of the United States were Granted March 27 1894 AND EACH REARING THAT DATE., scientific american, 1894-04-07

Science Notes. Electrical Notes. Automobile News. Telephone Journal at Budapest., scientific american, 1901-03-30

AN IMPROVED WINDOW RAISING AND LOCKING DEVICE. Patents as a Factor in Manufacturing Business. AN IMPROVED CUTTER HEAD. Government Investigation ot Rodent Epidemics., scientific american, 1906-09-29

The locomotive after the boiler had been blown away., scientific american, -1909-03-06

THE FIRST BRITISH MILITARY AIRSHIP. END VIEW OF THE AIRSHIP SHOWING THE PROPELLERS RUDDER AND VANES. THE FIRST BRITISH MILITARY AIRSHIP 'NULL' SECIINDII8' Length 100 feet ; diameter 80 feet ; hydrogen capacity 60000 cubic feet., scientific american,

THE EARTH A MAGNET. HOW NEWSPAPERS ARE MADE., scientific american, 1868-10-21

entific American. NUNN & CO. 37 Park Row New York. Back Page - $100 a line. Inside Page 75 cents a line. AUTOMATIC CUT-OFF Handren & Ripley FOE OTIS BROTHERS & CO. I Excelsior Glass Cutter. E. D. & W. A. FRENCH _ . Jonval Turbine CHINERY. Warehouse

A NEW PROPELLER. LUBRICATING DEVICE FOR SEWING AND OTHER LIGHT MACHINES. A NEW PATENT FILE. THE PROPOSED REFRIGERATOR STEAMER., scientific american, 1875-11-20

The Current Supplement. RECENTLY PATENTED INVENTIONS. Engineering Improvements. Electrical Apparatus. Mechanical Devices., scientific american, 1901-01-05

NEW FLYING MACHINE. Luminescence THE FILCHER FLYING MACHINE. THE LATEST FORM OF FLYING MACHINE, scientific american, 1895-10-19

Amber in Eastern Prussia. Our Trade with Africa. The Current Supplement. RECENTLY PATENTED INVENTIONS. Agricultural Implements. Bicycle-Appliances. Electrical Apparatus. Engineering-Improvements. Mechanical Devices. Miscellaneous Inventions.,

LABELS. PRINTS. address Munn & Co. 361 Broadway New York. Pioneer Perfect Frames shape fitted and boveled for planklog. Not is shaving need reassemble them. Notice to Contractors. 970 Hamilton St. Cleveland 0. s & EXPERIMENTAL WORK. HOEFT at_ COMPANY

THE RHINOCEROS HORNBILL. Saw Tempering by Natural Gas. THE JAPANESE BUILDING AT THE PARIS EXHIBITION. Building The Explosiveness of Flour. New Engineering Inventions., scientific american, 1878-08-10

Metallurgical Use of Fluorspar. Patents on Fruits and Plants. New Method of Preparing Lantern Slides. Venice and Stolen Property., scientific american, 1890-07-26

DESIGN FOR SASH FASTENER FRAME. NEW BOOKS AND PUBLICATIONS. THE CENTURY CYCLOPEDIA OF NAMES. THE INTERNATIONAL ANNUAL OF AN THONY'S PHOTOGRAPHIC BULLETIN. THE BRITISH JOURNAL PHOTOGRAPHIC, scientific american, 1895-01-11

Foot and Power HAVE THE LATEST IMPROVEMENTS ASHLEY PATE!' : NIPPLE HOLDERS THE WATERBURY Emery Grinder BLAKE & JOHNSON WATERBURY CONN. 'WOLVERINE' Gas and Gasoline Engines manufacturers' models GRAND PRIX PARIS 1900. DE.FIANCE MACHINE WORKS WHEEL

6. Motive Power-Gas and Gasoline Engines. -Valve Gear and Appliances Connecting Rods and Heads. Wheels Turbines Governors Impact Wheels Ejectors Water Rams Meters. Indicators Pres lows Blowers Air Compressors Compressed Air 12. Motion and Devices

When the platform is lowered the reverse takes place and the step is drawn up to folded position beneath the lowest fixed step. In this way the supplementary step is operated without requiring attention of the train man or causing him any more labor

OFFICIAL. INDEX OF INVENTIONS Letters Patent of the United States were Granted in the week Ending AND EACH BEARING THAT DATE. A complete copy of any patent in the annexed list Including both the specifications and drawings will be furnished from this

WEEKLY., scientific american, 1889-08-31

THE LEVERING PATENT DESK. 4 PRATT'S ELASTIC BOILER-TUBE SCRAPER., scientific american, 1869-06-05

Lathes THE CURTIS DOUBLE CYLINDER MOTOR Hammondsport N. Y. MARINE and STATIONARY Back ASTER OOM RANY THE CUSHMAN CHUCH WORKS TABER PUMP CO. 32 Wells St Buffal N. Y. U. SA. DRILLING Machines 2 and 4 CYCLE PALMER BROS. Cos Cob Conn. CHAS. J. JAGER CO.

Gyroscopic Action of Electric Locomotives on Curves. The Current Supplement. Official Meteorological Summary New York N. Y. March 1907. BRANCH RAILWAYS BY THE TELPHERAGE SYSTEM., scientific american, 1907-04-13

scientific american, 1862-12-27

scientific american, 1879-10-04

Wood Piercing Insects and Birds. BY H. C. HOVEY. Nihilist Inventions. le .1A Balloon Struck by Lightning. Coloring Photographs., scientific american, 94-09-15

Improved Machine for Drying and Dressing Cloth. Combined Labor and Machinery. ing machines and thus combine their own skill with Foretelling and Telegraphing Storms. POWER OF PENETRATION. HENDERSON'S MACHINE FOR DRYING AND DRESSING CLOTH.,

EECENTLY PATENTED INVENTIONS. Of Interest to Farmers. Of General Interest. Hardware. Heating and Lighting. Railways and Their Accessories. Pertaining to Vehicles. .=: MON& Iv Millimem 'Note sand Queries. =707Lbs., scientific american, -1909-01-09

ENGINEERING INVENTIONS. AGRICULTURAL INVENTIONS. MISCELLANEOUS INVENTIONS. NEW BOOKS AND PUBLICATIONS. -%peciat. THE UNITED STATES MAIL. a3usineo.s anb 'Wersonat., scientific american, 1886-04-11

RIMS PLAT Z, scientific american, 1904-08-06

scientific american, 1905-11-11

MORNING AND EVENING STARS FOR 1907. MORNING AND EVENING STARS FOR 1907., scientific american, 1907-02-09

SOME FEATURES OF THE NEW YORK RAPID TRANSIT TUNNEL. Electrolytic Sugar. Engineering Notes., scientific american, 1901-05-25

The Scientific Treatment of Criminals. Small Boat Engine. Remarkable Boiler Explosion. witHardening and Tempering Tools., scientific american, 1874-10-31

THE PATENT CENTENNIAL., scientific american, 1891-04-04

Zritntific THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. SCIENTIFIC AMERICAN: BY MUNN tit COMPANY. TO YOUNG MEN. I LOVE A LAUGH. WORDS OP CHEER. ASHWELL'S REVOLVING BOILER The Young Pruatualt. Improvement in

RECENTLY PATENTED INVENTIONS. Railway Appliances. Mechanical. Agricultural. Miscellaneous NEW BOOKS AND PUBLICATIONS., scientific american, 1892-10-11

VALVES AND HYDRANTS. The Siphon Recorder. Nitro-glycerine for Oil Wells. IRON PLANING SHOPS., scientific american, 1885-09-26

Bristol Conn. U. S. A. THE NEW DEPARTURE ofi4 BAYO NNE CI TY. N.J. GIN ARBORUNDUIYI REMEMBER UNTIL JUNE FIRST ONLY Books guaranteed as represented or money refunded if returned within ten days. Practical Trousers Hanger and The CLEVELA ND STONE CO.

scientific american, 1866-10-13

Calendar Clock to manufacture on royalty. JOHN I. PEATFIELD f a Postage Stamp ABBOTT&COMPANY Dealers in High Class Investments Dept. S 23 Court St. BOSTON. MASS. The HyOrophant 20 Devonshire St. Boston DIVIDEND PAYING MINING OIL TIMBER SMELTER

Curious Clocks. Electric Sparks. Whiskey a Cure for Poison. Reciprocating and Circular Motion. Pacts In Building. MECHANICAL MOVEMENTS. Circular and Vibratory Motion. The best way to use Gun Cotton. Blackberries vs. Mutton. BY DIUNN & COMPANY.,

EACH NUMBER CONTAINS SIXTEEN LARGE PAGES. ARTICLES MARKEDARE ILLUSTRATED WITH ENGRAVINGS. NEW YORK IN ORDERING PLEASE GIVE THE NUMBERS., scientific american, 1884-12-06

Narrow Gage in the United States. Improvement of the Steam Engine. Hydromotor for Ships Pumps and other Purposes. Vesuvius and other Volcanoes., scientific american, 1872-05-11

FILES AND RASPS. 3, scientific american, 1878-08-24

Steam Plowing and the Bread Supply. A Physiological Problem. Filing and Setting Mill Saws. A Primary Cause of Strikes. Preservation of Iron., scientific american, 1870-01-22

out of house and home. moved three months later. At this picking time the birds are separated and The Current Supplement. Contents. 838 A CALIFORNIA OSTRICH FARM. MST OUT Or THE EGG., scientific american, 1899-06-03

HANDLING ROOM H HANDLING ROOM 13'L' POWDER, scientific american, 1900-04-14

COMMUNICATIONS RECEIVED. [OFFICIA L. INDEX OF INVENTIONS Granted in the Week Ending September .12 1876 AND EACH BEARING THAT DATE., scientific american, 1876-10-14

gkdrertiontento. Back Page time?nislinine. IRON PLANERS Portland Cement ASBESTOS MATERIALS TO MACHINERY AND FACTORYNON-COMBUSTIBLE STEAM BOILER & PIPE COVERING Branch Depots: CHASE'S Mill Furnishing Works HARTFORD Inspection & Insurance COMPANY. THE

THE THREE CUP-YACHTS OF 1901. 'INDEPENDENCE.' 'SHAMROCK II.' 'CONSTITUTION., scientific american, 1901-06-22

BY AN UNEXCELLED PROCESS. IF YOU WANT ANY KIND OF A MILL OR GRINDING MACHINE. COME T US AND YOU WILL GET THE BEST CLASS PINS Motion Picture, scientific american, 1905-12-02

SNOB. THE WORLD'S COLUMBIAN EXPOSITION—THE VIKING SHIP. A MEASURING AND DRAWING TOOL. ALLRED'S MEASURING AND DRAWING TOOL. A VIKING SHIP. Fig. 3FORMING THE HELIX. into suitable strips or ingots. No flux is required. SIMPLE HYGROSCOPE., scientific

scientific american, 1870-09-17

BELTING of Various Styles ELEVATORS CONVEYORS, scientific american, 1896-11-07

MAY 26 1894.1 Correeporthence. Venus' Fly Trap. (FROM PRE NEW YORK SUN. Arcturus the Greatest of all Suns. The Hall Industry In England. Effect of the Trolley on Watches., scientific american, 1894-05-26

scientific american, 1878-08-03

DOUBLE-TRACK RAILWAY VIADUCT OVER THE DES MOINES RIVER. 1 1 Whirlwinds Observed in Germany. The Preservation of Stonehenge. DOUBLE-TRACK RAILWAY VIADUCT ACROSS THE DES MOINES RIVER NEAR BOONE IOWA., scientific american, 1901-06-01

TERRA COTTA. Leaden Water Pipes. 209 Yaupon., scientific american, 1872-03-30

0 THE SCIENTIFIC AMERICAN., 1859-08-13

Progress of Electric Installations in London. ARMSTRONG'S ENVELOPE CUTTER. ARMSTRONG'S ENVELOPE CUTTER. AN IMPROVED PHOTOGRAPH PRINTING FRAME. A Valuable Blue Rediscovered. Myrtol. CAIN'S PHOTOGRAPH TRANSFERRING AND PRINTING FRAME., scientific

How to Straighten a Shaft. THE DEVELOPMENT OF SPEECH. THE FIRST CHINESE RAILWAY. THE IMPACT OF LIGHT. ABSTRACT OF A LECTURE BY CAPTAIN ABNEY. R. E. F. R. S. AT THE LOAN COLLECTION SOUTH KENSINGTON., scientific american, 1876-08-26

scientific american, 1893-08-26

THE CULTIVATION OP COCOA IN THE WEST INDIA ISLANDS. COCOA PODS ON THE TREE. THE PAN-AMERICAN EXPOSITION. COCOA DRY-HOUSES IN TRINIDAD—MIXING THE BEANS., scientific american, 1901-06-08

AN ANCIENT WATER ELEVATOR. Vaseline. Electrical Utilization of Insects. Failure in a Noted Case of Skin Grafting. PENDULUM WATER ELEVATOR., scientific american, 1891-03-07

RICHARDSON'S PATENT SHAFT COUPLING., scientific american, 1863-05-30

RECENTLY PATENTED INVENTIONS. Railway Appliances. Miscellaneous. NEW BOOKS AND PUBLICATIONS. find matter to interest them in it and it will appear as SCIENTIFIC AMERICAN BUILDING EDITION. JANUARY 1894(No. 99.), 1894-02-11

August 31 1889. Price 10 cents. For sale by all newsdealers. PAGE I. BIOGRAPHY John Percy. M.D. F.C. S The life of the eminent metallurgical writer with notes of his works 394 Mr. CAREY LEA Note of recent results obtained in continuation of the

ten yards long. The firing volleys by about thirty men was almost wholly from direction sighting being im possible owing to the hazy weather yet at 2000 yards 2400 yards there were 96 hits ; and from 629 shots at bullets at 2800 yards struck an iron

Works Drinker St. Philadelphia Ps. and.draw44e4saurpievo10r. TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the Untted.States were Granted July 2 1889 AND EACH BEARING THAT DATE. Corn busker and feed cutter Y. b. Collis 404090,

ATENTS, scientific american, 1865-11-11

Fowl THE MEDICAL RECORD. Trephining the Frontal Bone for Chronic Headache. Increased Production of Cotton in Egypt. RECENTLY PATENTED INVENTIONS. Engineering Railway Appliances. Electrical. Mechanical. Agricultural. Miscellaneous., scientific

A Good Suggestion to Housekeepers. NOVEL WASHING MACHINE. Effects of Optical Slits. Seaweed Jelly. -41 4IP. ENGINEERING INVENTIONS. DUGDALE'S WASHING MACHINF. The Timber Line of Mountains. Large Locomotives., scientific american, 1881-05-21

PUBLISHED WEEKLY AT One copy one year 03 00 CLUB ILATE6 NEW YORK. SATURDAY JULY 18 1874 Contents: (Illustrated articles are marked with an asterisk.) A gedhvglene for the37! Inventions patented in England Alcohol40;U:wide of potassium Alcohol and

THE INCRUSTATION OF BOILERS. The Prussian Percussion Fuse. THE LAND OF FIRE AND ICE., scientific american, 1871-02-11

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