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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


Price: Free

Publisher: NASA


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 1 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 2 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 3 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 4 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 5 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 6 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 7 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 8 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v 9 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Brahe, Tycho, 1546-1601

Title: Opera ominia, v10 (ed. J L E Dreyer)

Year: 1913Hauniae


Price: Free

Publisher: UToronto


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 1 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


Price: Free

Publisher: OxfordU


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 2 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


Price: Free

Publisher: OxfordU


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 2 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


Price: Free

Publisher: OxfordU


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 3 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


Price: Free

Publisher: OxfordU


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 4 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics] [lackiing]

Year: 1858Frankft


Price: Free

Publisher:


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 5 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


Price: Free

Publisher: UMichigan


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 6 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


Price: Free

Publisher: OxfordU


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 7 (ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


Price: Free

Publisher: OxfordU


Author: Kepler, Johannes, 1571-1630

Title: Opera omnia, v 8-1(ed. Christian Frisch) [astronomy; chronology; celestial mechanics]

Year: 1858Frankft


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


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.


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.


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.


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


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.


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


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


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


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


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


Price: Free

Publisher: UMichigan


Author: Darwin, Charles, 1809-1882

Title: Origin of Species, 6th ed.

Year: 1859/???

Format: Txt-G

Price: Free

Publisher: GutenbergUS


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