Презентация к уроку в 11 классе "Unbelievable inventions"

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1) A navigator Back in 1920 the world saw the amazing invention of the future - a tiny device with a built-in maps of roads, which had been a relief for drivers. And although it was not a modern satellite navigation, which is used by motorists today, but the original design in the form of hours with a road map instead of the clock hands - it was an extraordinary innovation.

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2) A signaling The exact mechanism of signaling of the 1870s - a device with a vertical lever, which is placed under the door. And if an intruder tried to enter, then jumped to the lever and made a very powerful sound.

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3) Peep Show "Look! It shows something! "- Under such slogans were issued by these vehicles, which have become a major attraction of British galleries entertainment in the twentieth century. Some of them showed erotic slides, while others - comedy or drama. The pleasure was worth a penny - and watch the events through the ad libitum a small hole in the screen.

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4) A cigarette holder Double-mouthpiece was fabricated under the influence of the popular hero in the UK detectives - Bulldog Drummond. He smoked two cigarettes at once.

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5) Glasses with flashlight These unusual sunglasses was invented in the 30s. They were decorated with small lights powered by batteries. From Lantern departed long wires. This invention did not develop. The fact that the rain could get a powerful electric shock.

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6) Protection for mustache Men with a luxurious mustache has always suffered from discomfort during eating. And then special cups and spoons were invented for baleen. They made the holes that will enjoy a meal without spoiling the mustache.

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7) A device for stretching the fingers of pianists This tool was invented in the early twentieth century. And although it resembles a machine for inquisitorial torture, many famous and talented pianists of his fingers was developed with the help of this invention. However, there is evidence that Schumann injured fingers of his right hand, taking advantage of an early, still not very good version of the device.

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8) A device for making tea with the clock Patented in 1902, the device was a revolution in the world of tea ceremonies. Now a mechanical device, not only warmed the water, but also poured into a cup of boiling water.

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Thank you for your attention!