Optic projection : principles, installation and use of the magic lantern, projection microscope, reflecting lantern, moving picture machine, fully illustrated with plates and with over 400 text-figures (1914)

698 OPTIC PROJECTION Boyle, Honourable Robert. "Of the systematical or cosmical qualities of things." Written in 1669. To be found in the Works of Boyle in six volumes. See for the Portable darkened room. Vol. Ill, Ch. VI. Cardani, Hieronymi, Opera. Lugduni MDC LXIII (1663). The reference to pictures in a dark room occurs in: Tomus Tertius, De Subtilitate (1550 A.D.), Liber quartus, p. 426 of the left column. Chadwick, W. J. The magic lantern manual. 138 pp., 100 fig. Frederick Warne & Co., Bedford Street Strand, London, 1878. Price is. Davy, Sir Humphrey, Bart. Collected works; edited by John Davy. 12 Early Miscellaneous Papers. 14 Elements of Chemical Philosophy. 15 Bakerian Lectures and Misc. Papers. Smith, Elder & Co., Cornhill, London, 1839-40. 9 volumes. IDS, 6d., per Vol.. First electric carbon arc, vol. iv, pi. iii, fig. 17, p. no. Descartes, (Lat. Cartesius) Ren6, Oeuvres, Publie"es par C. Adam et P. Tannery sous les auspices ministere de 1'instruction publique Vol. i-xii. Dioptrique, Vol. 6, pp. 87-228, 73 fig. Leopold Cerf, 12 Rue Sainte Anne, Paris, 1902. Faraday, Michael. On a peculiar class of optical deceptions. Journal of the Royal Institution, Vol. I, 1831, pp. 205-223. Deals with the visual appearances in looking at two toothed wheels revolving in opposite directions. Foucault, (J. B.) Leon. Recueil des travaux scientifiques. 4°, 31 +592 p. 31 text figures. Atlas, 19 double plates. Paris, 1878. Gemmae Frisii, Medici et Mathematici, De Radio Astronomico et Geometrico Liber. Basilae et Louanii, 1545 (see p. 31 of this work for an account of the method of observing eclipses in a camera obscura). Goodwin, Rev. Hannibal. United States patent No. 610,861 for a film support for photographic purposes, especially in connection with roller cameras. This patent was applied for May 2d, 1887, and granted Sept. 13, 1898, and is the fundamental patent covering the production of films or ribbons of cellulose for taking the place of glass and paper to serve as the backing for the sensitive coating. It is practically unaffected by the liquids and chemicals used in photography. See the opinion of Judge Hazel in the United States District Court, of New York, Aug. 14, 1913, Federal Reporter Vol. 207, pp. 351-362 in the case of Goodwin Film and Camera Co. versus Eastman Kodak Co., deciding that the patent is valid. See also the opinion of the Circuit Court of Appeals (U. S. Court), second circuit, N. Y., March 10, 1914, federal Recorder, Vol. 213, pp. 231-239 before Judges Lacombe, Coxe and Ward, Opinion by Judge Coxe. A brief history of the whole matter is given in both opinions, and the patent is held valid in both. Every one interested in the history of photography should read these opinions. Goring and Pritchard. Micrographia, containing practical essays on reflecting solar, oxy-hydrogen gas microscopes, micrometers, eye-pieces, etc., etc. 231 p., many figures in the text, one plate. Whittaker & Co., Ave-MariaLane, London, England, 1837. Govi, Gilberto. Galileo the inventor of the compound microscope, Journal of the Royal Microscopical Society, 1889, pp. 574-598. Discussion of the earliest discoveries and inventions in optics. The compound microscope here referred to as the invention of Galileo is the Dutch telescope used as a microscope, i. e., an instrument like the ordinary opera glass with a longer tube for the convex objective and concave ocular.