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JOHN P. LOVELL ARMS CO. 147 Washington Street BOSTON MASS. NEW KODAKS Boiler Coverings Millboard Roofing WORKING MODELS tnadcht=miVeti CHEMIST JAMES F. BABCOCK 27 School Street Boston. NEW MAIL -440 RECENTLY PUBLISHED. STENCILS STEEL NAME STAMPS

AN IMPROVEMENT IN ROTARY ENGINES. A NEW ACETYLENE GAS GENERATOR. ACETYLENE GAS GENERATOR Petroleum Joints for Common Iron Pipes. Return of Mr. Wellman. The Color of Water. BY PROF. SPRING. Wood Flour in Dynamite. AN INGENIOUS MOWING-MACHINE-SICKLE

THE SCIENTIFIC AMERICAN. 281 a vast number of communications disputing our position. many of whom were out of the chamber attending t political matters. If our readers will turn to page 146 fire is very different from smoke but not even this vapor

THE STRENGTH OF LEAD PIPES. ISOEMMERING'S ELECTRIC TELEGRAPH. Superstitions about Precious Stones. THE STRENGTH OF LEAD PIPES. SUMMERING'S ELECTRIC TELEGRAPH., scientific american, 1884-01-19

Its exterior surface moved a rod at, scientific american, 1860-06-16

RECENTLY PATENTED INVENTIONS. Bicycle Improvements. Mechanical Devices. Engineering Appliances. entering the boiler. Miscellaneous Inventions. conversation. BARRICADE ALARM FOR DOORS Designs. of this paper. 'Z3usine5s 'Wersonal. TO INVENTORS.,

citutific 2mtrion THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. SOTTINTIFIC AMERICAN: THE BATTLE OE OUR LIFT KITCHEN SONG. To Preserve Beef Steaks. Canada Maple Sugar. RAIL ROAD NEWS. Sachets Harbor and

GRAIN SEPARATOR AND SCOURER., scientific american, 1857-06-06

scientific american, 64-07-09

scientific american, 1869-03-11

claim first A head block for sawmill carriages provided with a block or base piece. B of wrought iron substantially as set forth. Second Connecting the rack C to the block or base piece B by means of a dovetail rib or projection b on the rack a of

BY OTTO G. LITYTIES., scientific american, 1908-07-11

THE SCIENTIFIC AMERICAN. 47, 1860-01-14

STAVITLESS BARRELS. STEAM BOILER EXPLOSIONS. A REMEDY SUGGESTED. BEET ROOT SUGAR. 1860. 1865. Kansas 107206 140179 ' 31 ' Alabama 964201 945244 Loss 2 ' Oregon 52465 65090 Gain 24 0, scientific american, 1867-02-16

Hydrophobia Cured by Salivation. The Loss of Power by the Crank. Modern Gunnery and What it can do. A Great Tunnel. EXPANDING HEARER FOR PETROLEUM AND OTHER ARTESIAN WEL3A, scientific american, 1868-07-15

ELGIN NATIONAL WATCH COMPANY Elgin ARTESIAN THE SALE OF PATENTS. NEW BOOKS ETC. The Deadly Faucet ! The Berkefeld Filter Van Norma.n Universal Bench Lathes Pida POIEOCIP00 DIXON'S AMERICAN GRAPHITE PENCILS PALMER MOTORS RESTFUL SLEEP 'Perfection' Air

1G8TABLISHICEI 1845. TERMS FOR THE SCIENTIFIC AMERICAN. The Scientific American Supplement Contents. TILE SCIENTIFIC AMERICAN SUPPLEMENT 1NT c). 8121 For the Week ending December 24 18814 PATENTS AS INVESTMENTS., 1881-12-24

A BOAT ON WHEELS BY JOHN L. VON BLON. YACHTING ON THE GREAT DESERT. IN THE GUN SHOPS AT ESSEN. SOME INTERESTING FEATURES OF THE KRUPP WORKS AT ESSEN. BY HENRY L. GEISSEL. - avow ., scientific american, 1902-04-19

Legal Notes., scientific american, 1903-06-11

MERICAN AUTOMOBILE NUMBER PRICEIOCEN1N1, scientific american, 1904-01-30

REPORT OF THE SECRETARY OF THE INTERIOR. REPORT OF THE SECRETARY OF THE NAVY., scientific american, 64-12-17

Orient Surrey. Price 6450 1905 Orient Buckboards WALTHAll FIFO. CO. - Waltham Mass. CHARTER GAS and GASOLINE For All Work. State Your Power Needs. CHARTER GAS ENGINE CO. Box 148 STERLING. ILL. days'. trial. MICROSCOPES Our Microscopes Microtomes

Scientific American Supplements referred Replies to Enquiries. INDEX OF INVENTIONS For which Letters Patent of the United States were Granted Jane 20 1893 AND EACH BEARING THAT DATE. 55099 781, 1893-07-01

No. 361 BROADWAY NEW YORK. SCIENTIFIC AMERICAN SUPPLEMENT No_ 9E36. For the Week Ending November 24 1894. THE NEED OF EFFICIENT VESSELS FOR THE NAVY. medicine in the United States. Men or Genius. Eat Apples. Value of Coverings for Steam Pipes.,

artists specially employed on the paper end-areuniverwolly acknowl country TERMS OF SUBSCRIP7I0k Per annum al3 01 Six months. 1 80 Four months I 00 This year's number contains several hundred superb engravings als reliable practical recipes useful in

New York. other foreign patents may also be obtained. I Stored Energy ACCUMULATORS fZeNegfickgPiTigorrd ELECTRICAL ACCUMULATtlit COMPANY No. 44 Broadway New York City. Edco System. THE ELECTRO DYNAMIC COMPANY No. 224 Carter Sc. Philadelphia Pa

Pier Between Tower and Anchorage Carrying Shore Span. Sea Water fox Street Sprinkling. rea friAgYninti 0 4 '4 Entrance of Brooklyn Approach Showing the Elevated Structure. The -Brooklyn Anchorage. The Roadway for Two of the Six Railway Tracks. THE

Week ending January 7 1882. NEW LAWS FOR ANALYZING FOOD AND DRUGS. ENGLISH AS THE SPEECH OF THE FUTURE. THE LOSS OF THE JEANNETTE., scientific american, 1882-01-07

All sizes 1.4 in. Shall and up. 10 eta. in Stamps Mr samples. PRESSED STEEL MFG. CO. 545 The Bourse. Phila„ Pa. pATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. invention is probably patentable. Communica Scientific Anerican BRIDGEPORT CONN. Specialties

FEB. 23 1867. Pluotneno and Xeroonal., scientific american, 1867-02-23

The Rabbit Plague in Australia—Reward Offered for a New Invention., scientific american, 1887-12-24

154, scientific american, 1869-03-06

BIGGAR S GAS LOCOMOTIVE. It now remains for me to tell you the composition of AN IMPROVED GAS ENGINE. On this place the candies as fast as made. AN IMPROVED SHOCK BINDER. UNRUH'S SHOCK BINDER. 40 4 0square. Candy Without Cooking., scientific

A New Secular Version of the Bible. SAFETY CHECK FOR BOILERS. ALBIN'S SAFETY CHECK FOR BOILERS. THE DUCT TROLLEY RAIL. THE DUCT TROLLEY RAIL. The Heat Conducting Power of Metals. Aluminum Glass, scientific american, 1896-07-11

PRACTICAL MECHANISM. The Electric Light. Discovery of Extensive Nitrate Deposits in Chili. Lightning Accidents. ., scientific american, 1877-07-07

scientific american, 1870-05-14

THE NEW PANAMA CANAL. 6French tlacavators at Work in the Emperador Cut. Out on Pacific Slope. 7The Work at Outlet of Culebra 8Rock Out at La Corosita 28 Miles from the Atlantic. THE NEW PANAMA CANAL—PRESENT CONDITION OF THE WORK., scientific

Where Tin Comes From. Fall of an Aerolite., scientific american, 1893-06-24

THE MAKING OF AN ELECTRICAL ENGINEER. BE GEORGE FREDERIC STRATTON. and unforeseen there until met and conquered. SCIENCE NOTES. THE CURRENT SUPPLEMENT. Despite the widespread advantages that have accrued, scientific american, 1908-02-08

Vol. LXXI V No. 24.3 WEEKLY. CONSTRUCTION OF THE YARROW WATER TUBE BOILER DIAGRAMS SHOWING METHOD OF RETIMING AND AUTOMATIC FEED OF THE YARROW BOILER. EXPANDING BOILER TUBES IN THE YARROW & COMPANY'S MACHINE SHOPS., scientific american, 1896-06-13

61 MUNN & CO. A VALUABLE WORK FOR INVENTORS PATENTEES AND MANUFACTURERS., scientific american, 1865-01-21

Mud Sand Gravel Coal Grain etc. with out injury. All Light Simple Durable and Economical. Send for Cir lars. P.BLAISDELL 4:0 Co. Planing and Matching NEW PATTE_RNS. Milling Machines. 195s. Prince's Metallic Paint MOLDING MORTISING TENONING & SHAPING

4 Ships' Boats. Fatal Trichiniasis. found embedded in the deltoid muscle in some por Eggs by Weight. 4 Manufacture of Aluminum. more valuable degree., scientific american, 1886-06-11

A TOY BIRD THAT FLIES. sll A TOY BIRD THAT EFFECTIVELY SIMULATES A BIRD FLYING. RECENTLY PATENTED INVENTIONS. Electrical. Mechanical. Agricultural. Miscellaneous., scientific american, 1897-05-15

IMPROVEMENT IN ARRANGING CUT FLOWERS. Molasses as Fuel. Educational Progress in New Mexico. BY H. C. HOVEY. A Horse with a Tube in its Neck. IMPROVEMENTS IN THE ARRANGEMENT OF CUT FLOWERS., scientific american, 1892-09-17

MODE OF CUTTING DIAMONDS., scientific american, 1870-08-27

HOW THE SPANISH FORTIFY THE COUNTRY IN CUBA. FORT PAEZ SANTA CLARA CUBA HELD BY SPANISH TR FORTIFIED CHURCH OF LA PALMA PINAR DEL RI CUBA., scientific american, 1898-07-02

INDEX OF INVENTIONS ATHEashasTIANTATHIC'aculnor DON'T BE AFRAID OF OVERTAXING SCHIEREN BELTING ROTH BROS. & C MOTORS TOOLS FOR MECHANICS. SLOTKIN & PRAGLIN HandPower 'Powetilifire2ope MOST POWERFULL WIRE ROPE MADE BRODERICK&BASCOM ROPE CO. LOUIS MO.

out injury. All Light Sample Durable and Economical. Send for Circulars. P. BLAISDELL tt Co. E. H. P A Y N'S STAMP & STENCIL Establishment. WARING'S AIR COMPRESSERS Planing and Matching Machinist's Tools. Milling Machines. To Electro–Platers.

Business and Personal Wants. sary to give the number of the inquiry. MUNN & CO. Noes and Queries., scientific american, 1903-05-09

THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS EGGLESTON'S IMPROVED SAW MILL. Scientific American aiiiinarracomv —, 1857-03-28

INTERESTING ASOUSTIC PHENOMENON. Reproduction of Drawings Etc. An Invention Wanted. The Iron and Copper Resources of Great Britain. Patent Hair Restoratives. MISCELLANEOUS SUMMARY., scientific american, 1866-09-22

APRIL 29 1876.1 ENGINES AND LIGHTNING RODS., scientific american, 1876-04-29

INDEX OF INVENTIONS For which Letters Patent of the United States were Granted AND EACH HEARING THAT DATE., scientific american, 1883-10-06

Obeah Poisons and Poisoners. A Static Electro-motor. The Japanese Fan., scientific american, 1891-08-01

Testing Boilers by Hydrostatic Pressure. Uniformity in Mails. 'Up a Mountain by Rail. Vegetable Cutter. Epergnes for Fruits and Flowers. Spread of Small Pox by Contagion., scientific american, 1871-09-30

Nitrification of Sewage by Shallow Filters of Fine Particles. NIGHT SKY: SEPTEMBER & OCTOBER, scientific american, 1906-09-29

SUNDAY RAILWAY TRAINS. AN IMPROVEMENT WANTED. THE CONTRADICTIONS OF SCIENCE. THE SAXBY AND FARMER RAILWAY SIGNALS. CORUNDUM IN PENNSYLVANIA. PETROLEUM IN 7dASSACHUSETTS. DEATH OF HON. JOHN A. GRISWOLD., scientific american, 1872-11-16

The Phyesleal Power of Mind. DR. KARL MULLER. The Value of Camphor. ago its use as a diffusible stimulant and nervous se, scientific american, 1893-07-29

louden. The Treatment of Baldness. Microscopic Examination of Meat. Two Varieties of Sciatica. Oatmeal Diet. Moral Influences of the Study of Natural Science. Recent Facts about Poisons. CARBOLIC ACID. POISONING BY MOULDY BREAD. OPIUM POISONING.

EIGHT LIGHT DYNAMO. OF THE ARMATURE COILS AND COMMUTATOR CYLINDER. net down that arm then up to the top then down'the arm B and up then downward to the base of the Fig. 8THE CIRCUIT OF THE DYNAMO. removed. MAGNET SHOWING WINDING. Fig. 7CONNECTIONS,

A WEEKLY JOURNAL OF PRACTICAL INFORMATION ART SCIENCE MECHANICS CHEMISTRY AND MANUFACTURES. $3 per Annum. NTI Improved Wheat Steamer and Dryer. New Telegraphic Instrument. HANNA'S WHEAT STEAMER AND DRYER. BARTLETT AND BOOMER'S EXTENSION HEMMER.

How the Chinese Make India Ink. The Treatment of Hiccough with Swum An Effervescent Purgative Lemonade. NOTES ON THE MIDWINTER FAIR. GILDED BALL SHOWING GOLD PRODUCT OF CALIFORNIA. Fire Caused by Electric Lamps. FIRTH WHEEL AND THE DRAGON AT THE

gorreopoudatce. The Current Supplement. October 1908. Volcanic Ash as a Building Material., scientific american, 1908-11-14

MAY 51900 THE IIPBUILDING OF THE AMERICAN MERCHANT MARINE. the added attraction that comes from being placed gorlibt. The Latest Work of the Palestine Exploration Fund. I. 1050 feet long and 430 feet broad Dr. Bliss found on Automobile News.,

NEW BOOKS ETC. INDEX OF INVENTIONS For which Letters Patent of the United States were issued for the Week Ending OCTOBER 31 1899, scientific american, 1899-11-11

DECEMBER 29 1894.arresponbence. Invent Something. Bleaching With Sodium Silicate. Electric Motors for Cotton Mills. Orthochromatic Photography. Photo Recipes. Liquid Chlorine. Enterprise of the Brush Company., scientific american, 1894-12-29

American Shoemaking Machinery at the Frankfort Leather Fair. Acorn-Storing Birds. W (IP Chicken Hatching by Electricity. Salmon from the Arctic Regions., scientific american, 1881-11-26

RECENTLY PATENTED INVENTIONS. Railway Appliances. Electrical. Mechanical. Miscellaneous. SCIENTIFIC AMERICAN BUILDING EDITION. AUGUST 1895.-(No. 8.) TO INVENTORS. INDEX OF INVENTIONS For which Letters Patent of the United Staten were Granted July 30

scientific american, 1862-06-21

THE NEW SUN AND ITS DISAPPEARANCE. A New Method ot Fireproof Construction. Rapid Transit in Paris. Illumination by Reflection., scientific american, 1877-02-17

196 Zhe Gfrindifir Auttrican., scientific american, 1863-03-28

SCIENTIFIC AMERICAN MUNN & CO.Editors and Proprietors No. 361 Broadway. New York RETROSPECT OF THE YEAR 1904. with some skeptical opponent in the now famous power which will be furnished from two 40000-horse, 1905-01-07

SAMPLE COPIES FREE., scientific american, 1869-12-11

Molecular Impressions bx Light and Elec. tricky. American Vines and Wines. Chiccory Cultivation. Antiquity of Brass. The Composition of Milk at Various Times of the Day. Supposed Economy in Bread. Where the Canary Birds come from., scientific

scientific american, 1860-07-21

Transmitting Apparatus. DIAGRAM OF THE DRAFT-WILLIAMS SYSTEM OF ORE PROSPECTING. ALEXANDER GRAHAM BELL. AND, scientific american, 1903-05-02

scientific american, 1868-05-30

ROOFING WOOD DYES 01‘8TAINS. FOR PORCELAIN MANUFACTURERS Woodworking Machinery., scientific american, 1884-02-23

On Balloons. Confederate States Patent Office. How Taps are Made in New England. The Best Drill for Hard Wood. Query for Painters. How Does He Do ICI A New Scientific Toy. Cutta Percha Cement., scientific american, 1866-05-19

An Improvement in Car Windows Wanted. How to Keep Cool. 0., scientific american, 1867-09-07

CO, scientific american, 02-09-13

MAY 19 A REMARKABLE KINGFISHER. MI The Secretary Bird. Scarcity of Tanning Materials in Great Britain. THE LAUGHING JACKASS OF AUSTRALIA. To Cleanse the Woodwork Around Boors. Underground Telegraphs., scientific american, 1877-05-19

Ignition by Superheated Steam. CHEMICAL NOTES. Zinc and Aluminum in the Sun. The Spectrum of Nitrogen. Phosphoretted Hydrogen and Ammonia. Production of Light by Atomic Movements. Interference Colors of Gold. Recent Experiments with Oxyhydric

SCIENTIFIC AMERICAN ESTABLISHED 1845 Published Weekly at No. 361 Broadway New York ENACTMENT OF THE AMENDMENT OF UNITED STATES PATENT STATUTES OUR AGRICULTURAL COLLEGES., 03-03-14

9.Abvertisement9. ORDINARY RATES. Inside Page each insertion. . 75 cents a line Back Page. each insertion . $1.00 a line A Cutter Milling Attachment 'NOT HOW CHEAP BUT HOW COOD.' I ren Center Hardwood Dy New Microscope for Nature Study 1010 Chestnut

RECENTLY PATENTED INVENTIONS. Railway Appliances. Engineering. Agricultural. Miscellaneous. BUILDING EDITION. OCTOBER NUMBER.-(No. 48.) 861 Broadway New York. `Ziusineets an 'Zi'ersortat. NEW BOORS AND PUBLICATIONS., scientific american,

MISCELLANEOUS USEFUL INVENTIONS. r Axe- Teeter., scientific american, 1875-12-04

A GOOD INVESTMENT TELEGRAPH OPERATING. FRICTION MK DRILL MACHINES FOR ROLLING SCREW THREADS. BLAKE & JOHNSON MODEL DYNAM Automatic Hand Winder THE BEST TOOL CO. 75 Sherman St. Boston Mass.The Kickdrive SLOTK1N ft PRAGLIN 145A Mulberry St. New York

scientific american, 1868-11-04

WEAVER BIRDS. 1. RIBBON BIRD.-2. PARADISE WHIDAH BIRD FENALE.-3. MALE 4. BLOOD FINCH.-5. FIRE FINCH., scientific american, 1881-02-26

EDISON'S PERFECTED PHONOGRAPH IN ENGLAND—EXHIBITION AT THE CRYSTAL PALACE. RECEIVING A MESSAGE FROM AMERICA BY RDTSON'S PHONOGRAPH., scientific american, 1888-08-04

MECHANICAL MOVEMENTS. Zigzag or an Eccentric Motioa. Dressing Warps. Mode of Preparing Tannate of Iron. Extract of Dandelion. Practical Receipts. The Action of the Acetate of Morphia on Children. Velocity of Electricity. Nutmeg Tree. More Mineral

Instant power control and direct power transmission Brazaches: 'STANDARD' Our little booklet tells all about it and is mailed free. Write to-day. 5mithPremi r PAPER tachable withoat Injury to the paper or the Fastener and Is easy to ap SEE HOW EASY

Warranted the best sewing machine gm ineds. Our Imes otstlitloss sum .jades smut sal sod used to us to-day. Adams1893 SCIENTIFIC AMERICAN INC., 1893-01-21

NATURAL HISTORY NOTES. Points about Patents. THE TIGER BY INSTANTANEOUS PHOTOGRAPHY. Compressed Air Delivered in Pipes. Dr. Adolph von Bruening. THE TIGER BY INSTANTANEOUS PHOTOGRAPHY., scientific american, 1884-06-14

A typical motor boat interior. Scientific American, 1907-02-23

SEPTEMBER 3 1904. Scientific American Artificial Rubies., 1904-09-03

POLYTECHNIC ASSOCIATION OF THE AMERICAN INSTITUTE. Belladonna an Antidote for Opium. NEW PUBLICATIONS. SPECIAL NOTICES., scientific american, 1866-10-20

TRANSACTIONS OF T HE AMERICAN SOCIETY OF ENGINEERS. Meteorological Observations by Telegraph. 4 Paper Pulp from Wood. Loss of Water Pressure in Hose Pipes. ENGINEERING INVENTIONS. Chemistry of Plants., scientific american, 1881-01-22

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