Thomas Harriot; Renaissance Scientist

aequall aequinoctiall algebra America appear astrolabe astronomical atoms Baron von Zach briefe and true British Museum calculations Copernican copy D. B. Quinn d.long December Decl declination degrees Diophantus distance drawings Earl of Northumberland early ecliptic edition England English equations evidence field of view folio Galileo glass Hatfield House Ibid Indians instrument John July Jupiter Kepler later latitude letter London longitude lunar magnification manuscript mathematical mathematician matter Mayerne mentioned mer-parts meridian altitude motion Nathaniel Torporley Navigation North notes observations optical papers Percy Petworth Pole Star Praxis probably problem published reference refraction rhumb Richard Hakluyt Rigaud Roanoke voyages satellites Scheiner Science scientific secants Shirley Sidereus nuncius sine Sir Walter Ralegh solar Sonne spots Stevens sunspot record sunspots Syon House tables telescope Thomas Harriot Torporley's Tower treatise true report universe Virginia Warner William William Lower Witelo