Scientific American, Volume 40, No. 13, March 29, 1879NEW YORK, MARCH 29, 1879.Reading editionChapter navigation59 reading sectionsGo to chapterChoose a chapter…Front matterNEW YORK, MARCH 29, 1879.Scientific American.TERMS FOR THE SCIENTIFIC AMERICAN.VOL. XL., No. 13. [New Series.] Thirty-fourth Year.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.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.REMEDY FOR THE NEW CARPET BEETLE.NEW STENCIL PEN.Origin and Progress of Ocean Telegraphy.Correspondence.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.HINTS TO CORRESPONDENTS.Advertisements.NOVELTIES, NOTIONS,The George Place Machinery AgencyDriven or Tube WellsCyclopædia of Applied Mechanics.Practical Draughtsman's Book ofSTEAM PUMPS.HANCOCK INSPIRATORHancock Inspirator Co., 52 CENTRAL WHARF,PHOSPHOR-BRONZE BEARINGS, PUMP-RODS, AND SPRING WIRE.THE BEST STEAM PUMP in AMERICA THE DEANECincinnati Industrial Exposition"The 1876 Injector."Advertisements.Pond's Tools,ROSESCAMERON STEAM PUMP,Previous chapter ←Front matterNext chapter →Scientific American.All chapters and sections (59)Opening pagesFront matterOther sectionsNEW YORK, MARCH 29, 1879.Scientific American.TERMS FOR THE SCIENTIFIC AMERICAN.Sections40Volume 40 · Other sectionsA 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.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.REMEDY FOR THE NEW CARPET BEETLE.NEW STENCIL PEN.Origin and Progress of Ocean Telegraphy.Correspondence.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.HINTS TO CORRESPONDENTS.Advertisements.NOVELTIES, NOTIONS,The George Place Machinery AgencyDriven or Tube WellsCyclopædia of Applied Mechanics.Practical Draughtsman's Book ofSTEAM PUMPS.HANCOCK INSPIRATORHancock Inspirator Co., 52 CENTRAL WHARF,PHOSPHOR-BRONZE BEARINGS, PUMP-RODS, AND SPRING WIRE.THE BEST STEAM PUMP in AMERICA THE DEANECincinnati Industrial Exposition"The 1876 Injector."Advertisements.Pond's Tools,ROSESCAMERON STEAM PUMP,Vol. XL., No. 13. [New Series.]◇$3.20 per Annum. [POSTAGE PREPAID.]◇← Front matterScientific American. →