References
Aughton, Peter, Newton’s Apple, Isaac Newton and the English Scientific Renaissance, Weidenfeld & Nicholson, especially p. 84-88, 2003
Christianson, Gale E., Isaac Newton And the Scientific Revolution, Oxford University Press, especially pages 49-53, 1996
Gleick, James, Isaac Newton, Vintage Books, Random House, especially pages 71-78, 2003
Grubb, Howard, Telescopic Objectives and Mirrors: Their Preparation and Testing. Discourse Friday, April 2, 1886, Royal Institution of Great Britain, 20 pages, 1886. Reprinted: Nature 34, pages 85-92, May 27, 1886.
King, Henry C., The History of the Telescope, 1st Edition, Dover, especially pages 67-81, 1955
Newton, Isaac, Opticks, A Treatise of the Reflections, Refractions, Inflections & Colours of Light, Based on the 4th Edition (1730), Dover, especially pages 82-111, 1950