Difference Engine #2
Difference Engine No. 2
Difference Engine No. 2, Serial #2, commissioned by Nathan Mhyrvold. Designed by Charles Babbage in 1837 this marvelous machine is used to calculate polynomials using the difference method. Built using 19th century tolerances, it's calculations are so precise it can return results to 31 digits of precision. BBC story on the device can be found here.
Difference Engine No. 2 (Rear view)
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Difference Engine No. 2 (printer front corner view)
Bild: chakote