The Victorian era lasted from 1837 to 1901. During this period, the major inventions which took place were the Morse Code, the first photographs, light-sensitive photographic paper used in the production of photographs, the first pedal bicycle, the first paddle steamship, the Penny Post (the first-ever postage stamp), the first Christmas card, rubber tyres (filled with pneumatic air), the first road to be covered with tarmac, the sewing machine, concrete, the first glider to be flown by a person, the first post boxes, petrol, the first sewing machine that could be used at home, ice cream, the first public flushing toilet, the first method to convert iron into steel, the safety match, pasteurisation, oil, the first horse-drawn tram, the Tube (the world's first underground railway system, which operates steam-powered trains in London), the world's first jelly babies, the penny-farthing (a type of bicycle), the typewriter, the first chocolate Easter egg, the telephone, the first recording of the human voice on a phonograph (by Thomas Edison), electric street lighting, the electric light bulb, the safety bicycle, the first electric railway, the first electric tram network in the United Kingdom, the first petrol motorcar, the gramophone, pneumatic tyres, the Kodak box camera, moving pictures, the first electric underground train, the first comic book in the United Kingdom, the first hydro-electric power station, X-rays and the wireless radio.