Scientific American Supplement, No. 623, December 10, 1887NEW YORK, DECEMBER 10, 1887Reading editionChapter navigation28 reading sectionsGo to chapterChoose a chapter…Front matterNEW YORK, DECEMBER 10, 1887BENIER'S HOT AIR ENGINE.YOUR FUTURE PROBLEMS.1HEATING MARINE BOILERS WITH LIQUID FUEL.THE CHANGE OF GAUGE OF SOUTHERN RAILROADS IN 1886.1TORPEDO BOATS FOR SPAIN.THE SPANISH CRUISER REINA REGENTEFILM NEGATIVES.1HOW DIFFERENT TONES IN GELATINO-CHLORIDE PRINTS MAY BE VARIED BY DEVELOPERS.NOTE ON THE CONSTRUCTION OF A DISTILLERY CHIMNEY.THE PRODUCTION OF OXYGEN BY BRIN'S PROCESS.FRENCH DISINFECTING APPARATUS.AN ELECTRICAL GOVERNOR.THE ELECTRIC CURRENT AS A MEANS OF INCREASING THE TRACTIVE ADHESION OF RAILWAY MOTORS AND OTHER ROLLING CONTACTS.1ELECTRIC LAUNCH.THE COMMERCIAL EXCHANGE, PARIS.THE MANUFACTURE OF COCAINE.THE CHEMICAL BASIS OF PLANT FORMS.1NEW METHOD FOR THE QUANTITATIVE DETERMINATION OF STARCH.SYNTHESIS OF THE ALKALOIDS.A GROUP OF HAMPSHIRE DOWNS.THE YALE COLLEGE MEASUREMENT OF THE PLEIADES.1DEEP SEA DREDGINGS: EXAMINATION OF SEA BOTTOMS.Architects and Builders EditionBuilding Plans and Specifications.Scientific American Supplement.PATENTS.Previous chapter ←Front matterNext chapter →BENIER'S HOT AIR ENGINE.All chapters and sections (28)Opening pagesFront matterOther sectionsNEW YORK, DECEMBER 10, 1887BENIER'S HOT AIR ENGINE.YOUR FUTURE PROBLEMS.1HEATING MARINE BOILERS WITH LIQUID FUEL.THE CHANGE OF GAUGE OF SOUTHERN RAILROADS IN 1886.1TORPEDO BOATS FOR SPAIN.THE SPANISH CRUISER REINA REGENTEFILM NEGATIVES.1HOW DIFFERENT TONES IN GELATINO-CHLORIDE PRINTS MAY BE VARIED BY DEVELOPERS.NOTE ON THE CONSTRUCTION OF A DISTILLERY CHIMNEY.THE PRODUCTION OF OXYGEN BY BRIN'S PROCESS.FRENCH DISINFECTING APPARATUS.AN ELECTRICAL GOVERNOR.THE ELECTRIC CURRENT AS A MEANS OF INCREASING THE TRACTIVE ADHESION OF RAILWAY MOTORS AND OTHER ROLLING CONTACTS.1ELECTRIC LAUNCH.THE COMMERCIAL EXCHANGE, PARIS.THE MANUFACTURE OF COCAINE.THE CHEMICAL BASIS OF PLANT FORMS.1NEW METHOD FOR THE QUANTITATIVE DETERMINATION OF STARCH.SYNTHESIS OF THE ALKALOIDS.A GROUP OF HAMPSHIRE DOWNS.THE YALE COLLEGE MEASUREMENT OF THE PLEIADES.1DEEP SEA DREDGINGS: EXAMINATION OF SEA BOTTOMS.Architects and Builders EditionBuilding Plans and Specifications.Scientific American Supplement.PATENTS.Scientific American Supplement. Vol. XXIV., No. 623.Scientific American established 1845Scientific American Supplement, $5 a year.Scientific American and Supplement, $7 a year.← Front matterBENIER'S HOT AIR ENGINE. →