LIST OF PLATES. 



FACING PAGE 



I. Portrait of SIR ISAAC NEWTON by Vertue Title 



II. ACCUM'S Treatises on Gas Light (1815-9) : 2 illustrations of gasworks . . 2 



III. BATE'S Mysteries of Nature and Art (1634) : engraved title .... 15 



IV. BOYLE'S New Experiments Physico-Mechanical (1660) : plate showing his air- 



pump , 28 



V. BRANCA'S LE MACHINE (1629): woodcut of his steam-engine .... 29 

 VI. CAUS (I. DE). New and Rare Inventions of Water-Works (1659): plate 



showing a perpetuum mobile . . . , . .33 



VII. CAKDANO'S de Subtilitate (1554) : title 35 



VIII. CAUS (S. DE). Eaisons des Forces mouvantes (1615) : engraved title . . 37 

 IX. COPERNICUS. De Revolutionibus Orbium ccelestium (1543) : title ... 44 

 X. CORONELLI'S Navi 6 Vascelli (1687): 2 illustrations of ships .... 46 

 XI. DAGUERRE'S Proce"de"s du Daguerreotype (1839) : 4 illustrations of his photo- 

 graphic apparatus 48 



XII. DIGGES'S Stratioticos (1579) : title with woodcut 52 



XIII.- - Pantometria (1591): specimen of text and illustration . , . . 54 

 XIV. EUCLIDIS Elementa (1482) : specimen of text with woodcut border and geo- 

 metrical figures 61 



XV. FAUJAS DE ST.-FOND. Description et Experiences de la Machine Ae"rostatique 



(1783) : plate showing the first balloon ascent 66 



XVI. GALILEO'S Dialogo (1632) : title and engraved frontispiece. 



II Saggiatore (1623) : engraved title. 



Discorsi e Dimostrazioni matematiche (1638) : specimen of text . . 73 



XVII. GILBERT'S de Magnete (1600) : title .78 



XVIII. GUERICKE'S Experimenta Magdeburgica (1672) : engraved title, showing his air- 

 pump and the Magdeburg hemispheres ....... 83 



XIX. HAUKSBEE'S Physico-Mechanical Experiments (1709) : his electrical machine. 



HEVELIUS. Selenographia (1647) : his map of the moon 88 



XX. HERO ALEXANDRINUS. Spiritalia (1575) : specimen of text, with woodcut of 



his double force-pump 94 



XXI. HUYGENS. Horologium Oscillatorium (1673) : illustration showing his pen- 

 dulum clock ............ 99 



XXII. - - Trait6 de la Lumiere (1690) : title and specimen of text. 



- De Circuli Magnitudine (1654) : title. 



Systema Saturnium (1659) : plate showing the phases of Saturn . . 104 



XXIII. Portrait of HUYGENS by Ottens , 105 



XXIV. KEPLER'S Harmonice Mundi (1619) : title 110 



XXV. Dioptrice (1611) : title and 3 specimens of text with illustrations . . 112 



XXVI. - Astronomia Nova (1609) : title 113 



XXVII. KIRCHER'S Musurgia Universalis (1650) : specimen plate 115 



XXVIII. LANA'S Prodromo (1670) : specimen plate showing his suggested balloon . . 121 



XXIX. LAVOISIER'S Traite e'le'mentaire de Ohimie (1789) : title of the rare first edition . 136 



XXX. MATHEMATICI VETERES (1693) : specimen page with illustration . . . 144 



XXXI. Portrait of JOHN NAPIER of MERCHISTON by Lizars . . . . . 145 



XXXII. NAPIER'S Mirifici Logarithmorum Canonis Descriptio (1614) : woodcut title . 159 



