Author: Davy, Humphry (Sir) 1778-1829
Title: On the safety lamp for coal miners; with some researches on flame
Year: 1818 Lond.
Format: Graphic
Price: Free
Publisher: CMU-Posner
Author: Darwin, Charles & J. D. Hooker
Title: On the tendency of species to form varieties: & on the perpetuation of varieties & species by natural means of
Year: 1858 Lond.
Format: Graphic
Price: Free
Publisher: CMU-Posner
Author: Ginzburg, V. L.
Title: On the use of artificial satellites of the Earth to check the general theory of relativity
Year: 1955
Format: PDF Kindle EPub
Price: Free
Publisher: NASA
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 1 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 2 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 3 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 4 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 5 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 6 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 7 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 8 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v 9 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Brahe, Tycho, 1546-1601
Title: Opera ominia, v10 (ed. J L E Dreyer)
Year: 1913Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 1 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: OxfordU
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 2 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: OxfordU
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 2 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: OxfordU
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 3 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: OxfordU
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 4 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics] [lackiing]
Year: 1858Frankft
Format: [vol lacking]
Price: Free
Publisher:
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 5 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: UMichigan
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 6 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: OxfordU
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 7 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: OxfordU
Author: Kepler, Johannes, 1571-1630
Title: Opera omnia, v 8-1(ed. Christian Frisch) [astronomy; chronology; celestial mechanics]
Year: 1858Frankft
Format: PDF Kindle EPub
Price: Free
Publisher: UMichigan
Author: Brahe, Tycho, 1546-1601
Title: Operum primitias De nova stella. Summi civis memor denuo edidit Regis Societas Scientiarium Danica ..
Year: 1901Hauniae
Format: PDF Kindle EPub
Price: Free
Publisher: UToronto
Author: Alhazen, fl. 1030
Title: Opticae thesavrvs. Alhazeni Arabis libri septem, nuncprimum editi. Eivsdem liber De crepvscvlis & nubium ascen
Year: 1572 Basil
Format: Graphic
Price: Free
Publisher: CMU-Posner
Author: Newton, Isaac (Sir) 1642-1727
Title: Opticks: or a Treatise of the Reflections, Refractions, Inflections and Colours of Light (2ed. w/additions)
Year: 1718 Lond.
Format: PDF Kindle EPub
Price: Free
Publisher: UMadrid
Author: Newton, Isaac (Sir) 1642-1727
Title: Opticks: or a Treatise of the Reflections, Refractions, Inflections and Colours of Light (3ed. corr.)
Year: 1721 Lond.
Format: PDF Kindle EPub
Price: Free
Publisher: UMadrid
Author: Newton, Isaac (Sir) 1642-1727
Title: Opticks: or a Treatise of the Reflections, Refractions, Inflections and Colours of Light (4ed. corr.)
Year: 1730 Lond.
Format: PDF Kindle EPub
Price: Free
Publisher: UMadrid
Author: Newton, Isaac (Sir) 1642-1727
Title: Opticks: or a Treatise of the Reflections, Refractions, Inflections and Colours of Light (1ed); 2 Treatises ...Species & Magnitude of Curvil
Year: 1704 1dLond
Format: PDF Kindle EPub
Price: Free
Publisher: BostonPL
Author: Newton, Isaac (Sir) 1642-1727
Title: Opticks: or a Treatise of the Reflections, Refractions, Inflections and Colours of Light (1ed.) 16 pp of handwritten corrections & additions
Year: 1704 Lond.
Format: PDF Kindle EPub
Price: Free
Publisher: BostonPL
Author: Alembert, Jean Le Rond d', 1717-1783
Title: Opuscules mathematiques, ou, Memoires sur differens sujets de geometrie, de mechanique, d'optique, d'astronomie v 1 [celestial mechanics; g
Year: 1761 Paris
Format: PDF Kindle EPub
Price: Free
Publisher: UMichigan
Author: Alembert, Jean Le Rond d', 1717-1783
Title: Opuscules mathematiques, ou, Memoires sur differens sujets de geometrie, de mechanique, d'optique, d'astronomie v 2 [celestial mechanics; g
Year: 1761 Paris
Format: PDF Kindle EPub
Price: Free
Publisher: UMichigan
Author: Alembert, Jean Le Rond d', 1717-1783
Title: Opuscules mathematiques, ou, Memoires sur differens sujets de geometrie, de mechanique, d'optique, d'astronomie v 5-1[celestial mechanics; g
Year: 1761 Paris
Format: PDF Kindle EPub
Price: Free
Publisher: UMichigan
Author: Alembert, Jean Le Rond d', 1717-1783
Title: Opuscules mathematiques, ou, Memoires sur differens sujets de geometrie, de mechanique, d'optique, d'astronomie v 6 [celestial mechanics; g
Year: 1761 Paris
Format: PDF Kindle EPub
Price: Free
Publisher: UMichigan
Author: Alembert, Jean Le Rond d', 1717-1783
Title: Opuscules mathematiques, ou, Memoires sur differens sujets de geometrie, de mechanique, d'optique, d'astronomie v 8 [celestial mechanics; g
Year: 1761 Paris
Format: PDF Kindle EPub
Price: Free
Publisher: UMichigan
Author: Darwin, Charles, 1809-1882
Title: Origin of Species, 6th ed.
Year: 1859/???
Format: Txt-G
Price: Free
Publisher: GutenbergUS