[PDF.70ai] Most Important Clock in America: The David Rittenhouse Astronomical Musical Clock at Drexel University: Transactions, American Philosophical Society ... of the American Philosophical Society)

Most Important Clock in America: The David Rittenhouse Astronomical Musical Clock at Drexel University: Transactions, American Philosophical Society ... of the American Philosophical Society)

[PDF.dj73] Most Important Clock in America: The David Rittenhouse Astronomical Musical Clock at Drexel University: Transactions, American Philosophical Society ... of the American Philosophical Society)

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 | #3184711 in Books |  2009-05-01 | Original language:English | PDF # 1 |  9.75 x6.75 x.25l,.65 | File type: PDF | 99 pages

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||1 of 1 people found the following review helpful.| Good, but disappointed that astronomical trains were "calculated" by the author, rather than counted from the clock.|By Lord D. Higgon|David Rittenhouse (1732-1796) was born near Philadelphia and went on to become one of the most important scientists of the eighteenth century. He was a mathematician, astronomer, surveyor, and maker of scientific instruments, astronomical clock| |Hoppes is a retired development engineer who makes cabinet and movement parts for a wide variety of clocks, and he has written this volume on the 1773 Rittenhouse astronomical clock at Drexel U. for fellow enthusiasts and engineers. The author provides detaile

The David Rittenhouse Astronomical Musical Clock, saved by former Drexel University President Constantine Papadakis, is considered to be the Most Important Clock in America. David Rittenhouse, the 18th century s most important scientist, constructed the clock in 1773. This national historic treasure and engineering masterpiece tells the time, date, positions of the planets, the phases of the moon and signs of the zodiac and plays melodies.

"There were doubts tha...

You can specify the type of files you want, for your device.Most Important Clock in America: The David Rittenhouse Astronomical Musical Clock at Drexel University: Transactions, American Philosophical Society ... of the American Philosophical Society)   |  Ronald R. Hoppes. I was recommended this book by a dear friend of mine.

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