Scientific American Supplement, No. 821, September 26, 1891
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Table of contents
1. NEW YORK, September 26, 18912. THE NEW LABOR EXCHANGE, PARIS.3. MANUFACTURE OF ROLL TAR PAPER.4. A PHYSICAL LABORATORY INDICATOR.5. NEW METHOD OF EXTINGUISHING FIRES6. SMOKELESS GUNPOWDER.7. THE CONSTRUCTION AND MAINTENANCE OF UNDERGROUND CIRCUITS.8. RAILROADS TO THE CLOUDS.9. THE MARCEAU.10. A REVIEW OF MARINE ENGINEERING DURING THE PAST DECADE.111. THE LITTLE HOUSE12. THE HYGIENIC TREATMENT OF OBESITY.113. STILT WALKING.14. REMAINS OF A ROMAN VILLA IN ENGLAND.15. GUM ARABIC AND ITS MODERN SUBSTITUTES.116. MR. CAILLETET'S CRYOGEN.17. METHOD OF PRODUCING ALCOHOL.18. SPECTROSCOPIC DETERMINATION OF THE SENSITIVENESS OF DRY PLATES.19. Architects and Builders Edition20. Useful Engineering Books21. PATENTS!