[title] Great Inventions electricity moving bar magnet, by Oersted, 1819 magnetised iron bar, by Arago and Davy, 1820 generated from magnetism, by Faraday and Henry, 1831 dynamos and motors dynamo [img] GreatInventions-Dynamo-85.jpg alternating-current motor electrons and x-rays solids and electric conduction electron tube amplifier x-rays atomic structures telegraphy and telephony electric signalling telegraph cable [img] GreatInventions-Cable-148.jpg telephone [img] GreatInventions-Telephone-159.jpg radio transmission electric light [img] GreatInventions-ElectricLight-206.jpg prime movers water power [img] GreatInventions-WaterPower-223.jpg heat power steam engine [img] GreatInventions-SteamEngine-247.jpg internal combustion engine [img] GreatInventions-InternalCombustionEngine-259.jpg mechanical transportation steamboat locomotive [img] GreatInventions-Locomotive-281.jpg railroad automobile household and farm inventions mechanical refrigeration commercial refrigerating plants refrigerator railroad cars domestic [img] GreatInventions-DomesticRefrigeration-368.jpg sewing machine with hooked needle, by Thimonnier, 1829 with two threads and single-pointed shuttle by Hunt, 1834 with eye-pointed needle, by Howe, 1845 [img] GreatInventions-HoweSewingMachine-377.jpg with wheel feed and presser foot, by Singer, 1851 with double-pointed shuttle, by Wilson, 1849 with rotary hook by Wilson, 1851 [img] GreatInventions-WilsonSewingMachine-378.jpg 4-motion feed, by Wilson, 1854 single chain-stitch, by Gibbs, 1857 double-locked chain-stitch, by Grover, 1851 spinning and weaving primitive looms [img] GreatInventions-PrimitiveLooms-395.jpg spinning [img] GreatInventions-Spinning-396.jpg automatic weaving jacquard machine [img] GreatInventions-JacquardMachine-395.jpg power-driven loom inventions concerned with agriculture plows harrows manure spreaders corn planters grain seeders cultivators mowers horse rakes tedders hay loaders fruit pickers milkers cream separators cotton gin, by Whitney and Miller reaper by Hussey, 1833 by McCormick, 1834 [img] GreatInventions-McCormickReaper-434.jpg Marsh harvester, by Marsh, 1858 self-binding harvester, by Appleby, 1876 power-driven transport automobiles trucks wheeled tractor [img] GreatInventions-Power-Driven-436.jpg caterpillar tractor small tools gardening cultivating dairying water hoisting outstanding manufactured products paper process by the Chinese, 200 BC handmade, by the Spanish Moors, 1150 machined, by Robert, 1798 [img] GreatInventions-MachinedPaper-450.jpg uses information letters records advertisements newspapers books periodicals packaging entertainment plates napkins toys artificial flowers rubber process India rubber, by the South American Indians [img] GreatInventions-IndiaRubber-457.jpg rubber sheeting, by Mackintosh, 1820 vulcanised rubber with sulphuric acid, by Goodyear, 1839 with sulphur monochloride, by Parker, 1846 with sulphur dioxide gas, by Peachy reclaimed rubber, by Marks, 1889 forms sheeting smooth calendered meshed adhered die-extruded moulded uses protection from weather boots blanket hat floor covering roof covering injury stretcher water-bed bandages crutch pads surgical items prosthetic parts springs air seal gaskets jar seals pocket-comb cup thimble clothes-wringer entertainment billiard cushions golf balls tennis balls tennis shoes baseballs footballs pipe scientific instruments chemists’ tubes chemists’ trays balloons wire insulation electrical insulation hose tires glass process artistic by the Egyptians, 1400 BC by the Romans by the Venetians, 1200–1800 with potash, by the Saxons and Bohemians, 1500 with lead oxide, by the English, 1600 optical glass, by Bausch & Lomb, 1914 forms sheet glass transparent hollow ware plain decorative bulb [img] GreatInventions-GlassBulb-483.jpg pressed and molded glass chemical glass optical glass uses architecture windows walls bulbs optical instruments lenses prisms mirrors warfare range finders telescopes field glasses scientific instruments bottles glass insulators for wire steel process wrought iron, ancient pig iron Bessemer process with cold air [img] GreatInventions-BessemerProcess-489.jpg by Kelly, 1857 by Bessemer, 1865 by Thomas ad Gilchrist, 1880 open-hearth process, by Siemens electric steel-melting uses machines tools warfare weapons transport trains tracks architecture graphic arts wood and steel engraving woodcut draughtsman engraver copper engraving steel engraving lithography limestone aluminium zinc photography natural blackening of silver salts in light, by the ancient Egyptians bitumen of Judea varnished on glass plate, by Niepce, early 1800s photographic paper [img] GreatInventions-PhotographicPaper-522.jpg with silver chloride, by Talbot, 1839 calotype with iodide, by Talbot, 1841 daguerrotype on silver-plated copper with iodine vapour, by Daguerre, 1839 wet plate photography by Niepce, 1848 by Talbot, 1851 dry plate photography by Bolton and Sayce, 1864 by Eastman, 1879 transparent photographic film paper-backed film, by Eastman, 1884 film rolls, by Reichenbach and Eastman, 1889 moving picture film, by Edison, 1900 photoengraving gelatin-albumen-bichomate film on metal plate, by Mungo Ponton, 1860 half-tone photoengraving for colour printing, by Ives, 1881 photolithography, by Osborne, 1859 photogravure, by Klietsch, 1878 Woodburytype, 1864 photogelatin collotype by Poetevin, 1855 by Motay and Marechal, 1865 by Edwards, 1872 Ben Day screen, 1879