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Johannes Kepler's Astronomia Nova, published in 1609, was the oldest book available in the archives. It contains the results of Kepler's ten-year-long investigation of the motion of Mars. Where previous astronomers had relied on geometric models to explain the observed positions of the planets, Kepler discovered physical causes for planetary motion. Before Kepler, Nicolaus Copernicus proposed in 1543 that the Earth and other planets orbit the Sun. Kepler was the first astronomer to prove this conjecture with rigorous scientific arguments. This Volume has 336 pages and is in fairly good condition.

The book is a collection of memoirs on the various modes according to which the nations of southern parts of India divide time written by Lieutenant Colonel John Warren in 1825.

The book was edited by ?Richard Taylor in 1841. It has 618 pages. The book contains various scientific topics and research findings. It is one of the volumes in a series of books published by Richard Taylor between ?1837 and ?1852. The series, titled "Scientific Memoirs," was a compilation of selected works from foreign academies of science and learned societies.

The Scientific Memories selection from the transactions of foreign and academics of science and learned societies is a collection taken from the foreign journals and edited by Richard Taylor. The fourth volume was published in 1846

The Scientific Memories selection from the transactions of foreign and academics of science and learned societies is a collection taken from foreign journals and edited by Richard Taylor. The fifth volume was published in 1852

The book, The History of the Royal Society of London: for the Improving of Natural Knowledge fourth edition, was published in 1734. It was written by Thomas Spart. It has 440 pages.