Notes to Pages 59�319226.27.28. 29. 30. 31. 32.writer: see Two Maids of More-clack (that is, Mortlake, where Dee lived) and A Nest of Ninnies. Armin is thought to have played the role of Sir Epicure Mammon, an old voluptuary whose use of a concave mirror for his amorous escapades derives from Seneca Quaestiones Naturales 1:16, in Ben Jonson Alchemist around 1610. On Leonard and Thomas Digges, see the entries of Stephen Johnston in Oxford Dictionary of National Biography, ed. H. C. G. Matthew and Brian Harrison (Oxford: Oxford University Press, 2004), 16:169�70, 171�73. See Harry E. Burton, he Optics of Euclid,�Journal of the Optical Society of America 35, no. 3 (1945): 357�72, on 360�61; and Euclid, Lptique et la Catoptrique, trans., intro., and annotated by Paul ver Eecke (Paris: Albert Blanchard, 1959), xix. For a brief discussion of the important place of the two texts within the optical tradition, see A. Mark Smith, Ptolemy and the Foundations of Ancient Mathematical Optics (Philadelphia: American Philosophical Society, 1999), 11�9. On knowledge of Euclid Optics before the early modern period, see Wilfred Theisen, uclid Optics in the Medieval Curriculum,�Archives internationales distoire des sciences 32 (1982): 159�76; on knowledge of that work in the early modern period, see Ver Ecke commentary to Euclid Lptique et la Catoptrique, xxxviliv. Thomas Digges and Leonard Digges, A Geometrical Practise, named Pantometria (London: Henrie Bynneman, 1571), fols. G.ii. I thank Al van Helden and Sven Dupr for pointing this out. Thomas and Leonard Digges, Stratioticos (London: Henrie Bynneman, 1579), 190. Thomas Birch, The History of the Royal Society, 4 vols. (London: A. Millar, 1756�757), 4:157. On Bourne, see G. L. Turner, ourne, William (c. 1535�582),�in Oxford Dictionary of National Biography, 6:862�63; on the dat-
