Sir David Brewster

The Edinburgh Encyclopaedia: Brown, John

The Edinburgh Encyclopaedia: Musci

Royal Society of Edinburgh

List of fellows in v. 1-5, 7-16, 20-30, 32-33, 35-41, 45; continued since 1908 in the Proceedings, v. 28-

Demonstration of the Fundamental Property of the Lever

The Edinburgh Encyclopaedia

The Edinburgh Encyclopaedia ...

Robert Jameson

Contains the proceedings of the Royal Society of Edinburgh, the Wernerian Natural History Society, etc.

The Edinburgh Philosophical Journal

A Treatise on Optics

Memoirs of the Life, Writings, and Discoveries of Sir Isaac Newton

James Ferguson

With Notes and Supplementary Chapters

Ferguson's Astronomy Explained Upon Sir Isaac Newton's Principles

John Kepler, the youngest of this illustrious band, was born at the imperial city of Weil, in[205] the duchy of Wirtemberg, on the 21st December 1571. His parents, Henry Kepler and Catherine Guldenmann, were both of noble family, but had been reduced to indigence by their own bad conduct. Henry Kepler had been long in the service of the Duke of Wirtemberg as a petty officer, and in that capacity had wasted his fortune. Upon setting out for the army, he left his wife in a state of pregnancy; and, at the end of seven months, she gave premature birth to John Kepler, who was, from this cause, a sickly child during the first years of his life. Being obliged to join the army in the Netherlands, his wife followed him into the field, and left her son, then five years old, under the charge of his grandfather at Limberg. Sometime afterwards he was attacked with the smallpox, and having with difficulty recovered from this severe malady, he was sent to school in 1577.

Life of Johannes Kepler

Sir David Brewster

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