LIST OF PLATES. ix 



FACING PAGE 

 LXVI. BRAKE'S Astronomic Instauratas Mechanica (1602) : illustration of his 



mural quadrant 332 



LXVJI. : Portrait by P. Kilian 333 



LXVIII. BRUNO (Giordano) Camceracensis Acrotismus (1588): title-page, with an 



autograph inscription by the author 336 



LX1X. CALANDRI'S Aritmetica (1518) : 4 specimens of illustrations and text . . 337 

 LXX. DEE'S Perfect Arte of Navigation (1577) : title with large woodcut . . 344 

 LXXI. DESCARTES'S Discours de la Methode (1637) : title and 3 specimens of text 



with illustrations . . . . . . . . . .345 



LXXII. ERCKER'S Mineralische Ertzt und Bergwercksarten (1629) : title with 



woodcut and 3 specimens of illustrations . ... . 380 



LXX [II. ETTEN'S Mathematicall Recreations (1633) : printed and engraved titles . 381 



LXXIV. Portrait of MICHAEL FARADAY, F.R.S 396 



LXXV. FONT ANA'S Novae Ccelestium Terrestriumque Observationes (1646) : en- 

 graved title, portrait, and 2 specimens of text, one with illustration of 



the planet Mars 397 



LXXVI. FULTON'S Canal Navigation (1796) : 2 specimens of plates .... 416 



LXXVII. Portrait of GALILEO GALILEI by Villamoena . . . ...... . 417 



LXX VIII. GALVANI'S De Viribus Electricitatis (1792) : 2 specimens of plates . . 424 

 LXXIX. GESNER'S Practise of the New and Old Phisicke (1599) : title and 3 speci- 

 mens of text with illustrations ........ 425 



LXXX. GHALIGAI'S Pratica d'Arithmetica (1552) : title and 3 specimens of text . 434 

 LXXXI. GLAUBER'S Philosophical Furnaces (1651): title and 3 specimens of text 



with woodcuts 435 



LXXXII. GREEN'S Essay on the Application of Mathematical Analysis to the 



Theories of Electricity (1828) : title. 



HELMHOLTZ. Die Erhaltung der Kraft (1847) : title . , 438 



LXXXIII. GREGORY'S Catoptricse et Dioptricae jSphsericae Elementa (1713) : title, 



2 specimens of text , and 1 of illustrations ...... 439 



LXXXI V. HAGECIUS de Cervisia (1585) : title, specimen of text, and 2 of old handwriting 450 



LXXXV. HARRIS'S Lexicon Technicum (1704) : illustration of Savery's steam-engine 451 



LXXX VI. HARRISON (John) : 2 specimens of a manuscript ...... 454 



LXXXVII. HERO ALEXANDRINUS. Deglt Automati (1589) : 2 specimens of text and 



illustrations. 



HERO MECHANICUS. De Machin : s Bellicis (1572): 2 specimens of illustrations 455 

 LXXXVIII. HOOKE'S Micrographia (1665) : specimen of plate, showing his compound 



microscope and the wheel barometer 476 



LXXXIX. HOPTON'S Speculum Topographicum (1611): title and specimen of text, 



with map of America .......... 477 



XC. JACOBI'S Galvanoplastik (1840) : title and specimens of plate and text . 484 



XCI. Portrait of JOHANN KEPLER 485 



XCII. KEPLER'S Ad Vitellionem Paralipomena (1604) : title and specimen of plate 506 

 XCIII. KIRCHER'S Magnes (1654) : % specimens of text ivith engravings . . . 507 

 XCIV. KOBEL'S Geometrei (1563): title and specimen of text, both with woodcuts 



by Jost Amman 510 



XCV. Portrait of LAPLACE 511 



XCVI. LAUREMBERG'S Institutiones Arithmeticse (1636) : title and specimen of text. 



STRUBI'S Arithmetica (1599) : title and specimen of text .... 516 

 XCVII. LAZESIO'S Libro de Abaco (1518) : title with large woodcut, and specimen 



of illustrations 517 



