London's Science Museum links tech history

London's Science Museum links tech history

Summary: The Science Museum in London contains an array of fascinating and famous tech, and ZDNet UK looks inside the museum's collection

TOPICS: After Hours

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  • Pascal's calculating machine

    The London Science Museum's collection spans technology throughout history, from medical equipment and computers to rockets and steam engines. ZDNet UK takes a look at some of its most significant objects — large and small, everyday and out of this world.

    Pascal's calculator
    The device above is an exact replica of Blaise Pascal's calculator. Pascal (1623-1662) was one of France's most celebrated mathematicians. A child prodigy, inventor, philosopher and Catholic theologian, he built this device when he was just 19 to help his tax-collector father with his figures.

    The Pascaline calculator uses a stylus to move the wheels, which can handle numbers up to 999,999.999. The device was one of the world's first mechanical adding machines, but was too expensive to mass-produce at the time.

    Photo credit: Science Museum

    See more tech photos on ZDNet UK.

  • Galileo's telescopes

    Galilean telescopes
    The telescopes above are replicas of ones made by Galileo Galilei (1564-1642) in 1610 after he heard of the invention of the telescope in Holland. With refinements to the design, Galileo went on to make a string of astronomical discoveries, from landmarks on the moon to sunspots and the moons of Jupiter. These were famously incompatible with Catholic cosmology: the church finally apologised in 1992 for forcing Galileo to recant his conclusions.

    The Science Museum's replicas were made in 1923 at the Museo di Fisica e Storia Naturale in Florence, Italy, where the originals are still kept.

    Photo credit: Science Museum

    See more tech photos on ZDNet UK.

  • Babbage's Analytical Engine Mill

    Babbage Analytical Engine Mill
    The Babbage Analytical Engine Mill was built by Henry Babbage (1824-1918) and based on the designs of his father, computing pioneer Charles Babbage (1791-1871). The machine was intended to add, subtract, divide and multiply. Only small parts of the engine, such as this calculating component, were ever completed.

    Charles Babbage had first tried to build the Babbage Difference Engine, which was designed to calculate different sums and print the results. His efforts to secure funding for the project were frustrated in his lifetime, and the first working model was only completed by the Science Museum in 1991.

    A replica of the Difference Engine No 2 also exists in the Computer History Museum in California. A project to create the full Analytical Engine — which would have been far more complex than the Difference Engine had it ever been built — is currently underway. The complete device is expected to be around the size of a steam train.

    Photo credit: Science Museum

    See more tech photos on ZDNet UK.

Topic: After Hours

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