Scientific American, Volume 40, No. 13, March 29, 1879
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Оглавление
Various. Scientific American, Volume 40, No. 13, March 29, 1879
TERMS FOR THE SCIENTIFIC AMERICAN
A NEW STEAM TILLER
HOW OUR PATENT LAWS PROMOTE AND IMPROVE AMERICAN INDUSTRIES
PLEURO-PNEUMONIA
SPAIN A FIELD FOR MACHINERY AND PATENTS
PETER COOPER AS AN INVENTOR
Africa Crossed Again
CURIOUS FACTS IN MAGNETISM
A New Phenomenon in Statical Electricity
A NEW ORE CRUSHER
RECENT AMERICAN PATENTS
A NEW IRONING TABLE
A NOVEL ENGINE REGULATOR
A Strange People
REMEDY FOR THE NEW CARPET BEETLE
Banana Flour
NEW STENCIL PEN
Origin and Progress of Ocean Telegraphy
Correspondence
The Gary Motor
Gary's Neutral Line
Pneumatic Clocks
The Ice Cave of Decorah, Iowa
THE WRITING TELEGRAPH
A Rare Geological Specimen
COWPER'S WRITING TELEGRAPH
ALUMINUM
AN IMPROVED DOOR BOLT
Chimney Flues
IMPROVED FURNACE FOR BURNING GARBAGE
AN ANCIENT GREEK VASE
Snow-Raised Bread
NEW AGRICULTURAL INVENTIONS
Reading and Eyesight
Phosphorescence
The Charms of Natural Science
The Pottery Tree
GLASS SPONGES
Plants Protected by Insects
The Aneroid Barometer
The Albo-Carbon Light
English and American Hardware
TO INVENTORS
Business and Personal
Отрывок из книги
Steam is now made to perform almost everything in the way of heavy labor, to the saving of muscle and energy that may be more profitably employed; and since inventive genius has devised means of governing steam with absolute accuracy, there seems to be no limit to its economical application.
A recent invention in steam engineering, which exhibits in a marked degree the controllability and adaptability of steam, is Mr. Herbert Wadsworth's steam tiller, an engraving of which we present herewith.
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We had confidently expected that the new Spanish law on patents would draw the attention of American inventors toward this country, that to-day offers a wide field for every new practical invention, but I am sorry to see that, with the exception of Edison and a few others, the Americans have not yet availed themselves of the easy facility for taking patents for Spain, where new inventions and new industries are now eagerly accepted and adopted. And while the Americans are thus careless as to their own interests, the French take out and negotiate, in Spain, American patents with insignificant variations.
Let American inventors be assured that any new invention, useful and practical, and above all, requiring but little capital to establish it as an industry, will find a ready sale in Spain.
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