LIST OF PLATES. ix 



Facing paok 

 LXVI. Brahe's Astronomiae Instauratse Mechanica (1602): illustration of his 



mural r/uadrant 332 



LXVII. : Portrait by P. Kilian 333 



LXVlir. Bruno (Giordano) Camoeracensis Acrotismus (1588): title-page with an 



autograph inscription by the author 336 



LXIX. Calandri's Aritmetica (1518) : ^ specimens of illustrations and text . . 337 

 .LXX. Dee's Perfect Arte of Navigation (1577) : title luith large luoodcut . . 344 

 LXXI. Dkscartes's Discours de la Methode (1637) : title and 3 fpccimens of text 



mth illustrations 346 



LXXir. Erckkr's Mineraliscbe Ertzt und Bergwercksarten (1629): title ivifh 



tooodcut and ^ specimens of illustrations .... . . 380 



LXXEII. Etten's Mathematical! Recreations (1633) : ;>n7j^e£? an6? en^rayec? ^tV/e« . 381 



LXXIV. Portrait of Michael Faraday, F.R.S 396 



LXXV. Fontana's Novas Coelestium Terrestriumque Observationes (1646): en- 

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



the planet Mars 397 



LXXVI. Fulton's Canal Navigation (1796) : 2 specimens of plates .... 416 



LXXVII. Portrait of Galileo Galilei by Villaraoena 417 



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

 LXXIX. Gesnkr'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 icoodcuts 435 



LXXXI I. Green's Essay on the Application of Mathematical Analysis to the 

 Theories of Electricity (1828) : title. 

 Helmholtz. Die ICrhaltung der Kraft (1847) : title . . , . . 438 

 LXXXIII. Gregory's Catoptricae et Dioptricse ^Sphaericae Elementa (1713): title, 



2 specimens of text, and 1 of illustrations 439 



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

 LXXXV. Harris's Lexicon Technicum (1704) : illustration of Savergs steam-engine 451 



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



LXXXVII. Hero Alexandrinus. Degli Automati (1589) : 2 specimens of text and 

 illustrations. 

 Hero Mechanicus. De Machin's Bellicis (1572): 2 speci7nens of illustrations 455 

 LXXXVIII. Hooke's Micrographia (1665) : specimen of plate, showing his compound 



microscope and the toheel barometer 476 



LXXXIX. Hopton's Speculum Topographicum (1611): title and specimen of te.vt, 



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 

 XCI 1 1. Kircher's Magnes (1654) : 2 specimens of text with engravings . . . 507 

 XCIV. Kobel's Geometrei (1563): title and specimen of text, both taith woodcuts 



by Jost Amman 510 



XCV. Portrait of Laplace 611 



XCVI. Laurem berg's Institutiones Arithmetical (1636) : title and specimen of text. 



Strijbi's Arithmetica (1599) : title and specimen of text .... 516 

 XCVII. Lazesio's Libro de Abaco (1518) : title with large ivoodcut, and specimen 



of illustrations 517 



