HISTORICAL BIBLIOGRAPHY 699 



s'Gravesande, G. J. Physices elementa mathematica experiments confirmata 

 sive introductio ad philosophiam Newtonianam. 4 . Auctore Guilielmo 



facob s'Gravesande. 3d edition, 2 vol., 1073 p., 127 plates. Apud 

 ohannem Arnoldum Langerak, Johannem et Hermannum Verbeek, Biblio. 

 ,eidae. 1742. First edition, 1719. 

 First clock driven heliostat. Fig. 77, 233. 



Hare, Robert Jr. Memoir on the supply and application of the oxyhydrogen 

 blowpipe. Philosophical Magazine. XIV (1802), pp. 238-245; 298-306. 



Harting, P. Gebrauch des Mikroskopes und Behandlung mikroskopischer 

 Objecte. 3 vol., 1109 p., 469 fig. Friedrich Vieweg und Sohn, Braun- 

 schweig, 1866. Price $3.50. 



Heyl, Henry R. Contribution to the history of the art of photographing living 

 subjects in motion, and reproducing the natural movements by the lantern. 

 Journal of the Franklin Institute, CXLV (1898), p. 310-311, Vol. 145. 



Hooke, Robert. Animadversions on the Machina Ccelestis of Hevelius. p. 8. 

 Published in 1674. It is in this place that Hooke states that for two points 

 to be seen as two the visual angle must be one minute. 



Hop wood, Henry V. Living Pictures: their History, Photoproduction and 

 Practical Working, with A Digest of British Patents and Annotated 

 Bibliography. 275 + xxvii, p. 242 fig. The Optician & Photographic 

 Trades Review, 123-125 Fleet St., London, E. C. 1899. Price, #1.25. 



Horner, W. E. On the properties of the Daedaleum, a new instrument of 

 optical illusions. Philos. Mag., 1834, vol. iv, pp. 36-41. The Dsedaleum 

 is a hollow cylinder with slits around the edge and pictures in various phases 

 of movement on the inside. It is revolved on the long axis of the cylinder 

 and gives the same appearance as the magic disc of Plateau. It is now 

 called a zoetrope. 



Ives, Fred E. The Ether-oxygen Lime Light, Journal of the Franklin Insti- 

 tute, Vol. 125, 1888. pp. 28-31. Also vol. 129, 1890, pp. 230-234. 

 Report of a committee of the Institute on the Ether-oxygen portable 

 lantern, (see Ch. IV, above). 



Janssen. Presentation du revolver photographique. Built, soc franc, 

 photog. vol. xxii (1876, p. 100). 



Jenkins, C. F. Picture Ribbons. An exposition of the methods and apparatus 

 employed in the manufactxtre of the picture ribbons used in projecting 

 lanterns to give the appearance of objects in motion. 56 p., many plates 

 and cuts unnumbered. Published by the author. Washington, D. C., 

 1897. Discussion of the origin and development of moving pictures. 



Kepler, Johannes. Opera Omnia, Vol. II, Ad Vitellionem Paralipomena. 

 (De modo visionis et humorum oculi usu). 1604 pp. 226-269, JI fig- 

 Correct dioptrics of the eye here given, and also the explanation of the effect 

 of convex and concave spectacles. Dioptrica. Demonstratio eorum quae 

 visui et visibilibus propter conspicilla non ita pridem inventa accidunt. 

 pp. 519-567, 35 fig. 1611. The amplifier, real images, and erect images. 

 The Keplerian microscope (modern microscope). 



Kircher, Athanasius. Ars Magna lucis et umbrae in decem libros digesta. 2d 

 edition. Hermanni Scheus, Amsterdami, 1671. ist ed. Romaa, 1646. 

 ist ed. 40 -f 935 + 17 p., 2d ed., 30 + 810 + 9 p. About 656 fig. 34 

 Plates. The magic lantern is described in the second, but not in the first 

 edition. 



Libri, Guillaume. Histoire des mathematiques en Italic depuis la renaissance 

 des lettres jusqu' a la fin du dix-septieme siecle. 4 vol. 8. Chez Jules 

 Rennard et Cie Libraires, Paris, 1838. In Vol. IV, pp. 303-314 there is 

 discussed the invention of the camera obscura. Refers to Leonardo da 

 Vinci. Thinks Porta reported what had been known a long time. 



