Illustrated Catalogue Of Magic Lanterns (after November 1889, probably 1890)

McIntosh battery and optical co., Chicago, ill., u. s. a. 201 664 Graphic method of rep- resenting a sound com- posed of several sounds 665 Phonautograph tracings. The, vowels sung on note S; Clarionet: Trumpet Selected and arranged 666 Tracings hy the Logo- graph. Stanza from Hohenlinden 667 Tracings by the Logo- graph, faintly, forcibly, ordinary, and loudly LIGHT. by the Rev. PHILIP F.R.M.S., &c. 668 Faber’s Euphonia 669 Steam Syren, or Fog-horn at South Foreland 670 Portrait of Chladni SLEEMAN, E.R.A.S., 1 Rectilinear propagation of „ Light 2 Experiment illustrating rectilinear propagation 3 Formation of images by small apertures I Images of sun through openings in foliage 5 Reversed image of land- scape • 6 Cone of shadow of opaque „ body 7 Umbra and penumbra 8 Effects of umbra and pe- numbra. Chinese shad- ows 9 Intensify of illumination. Law of universe squares 10 Intensity of illumination. Law of the cosine II Rumford’s photometer 1| Bunsen’s photometer 13 Velocity oflight. Roemer’s observations 11 Velocity of light. Aberra- tion 15 Velocity of light. Fizeau’s experiment 16 Velocity of light. Fou- cault’s experiment 17 Illustration of law of re- . flection 16 Experimental verification of the law of reflection 19 Artificial horizon 29 Reflection from plane mir- ■>i ror 21 Lateral inversion by re- 0 flection 22 Multiple images by two plane parallel mirrors 23 Multiple images by in- „„ dined mirrors 24 Multiple images by two , surfaces of mirror S The kaleidoscope 26 Scattering of light by ir- „„ regular reflection S The sextant 28 Explanation of the sex- on tant 29 Goniometer. (Babinet’s) jjO Magic telescope “1 Polemoscope 52 Silbermann’s heliostat 53 Foucault’s heliostat S Pepper’s "Ghost” 35 Diagrams of foci of eon- „ cave mirrors 36 Real image by concave mirror 5 ‘ Virtual image by concave mirror 3” Caustics by reflection 33 Images formed by convex mirrors PART I. 40 Cylindrical mirrors. Ana- I morphosis 41 Experiment illustrating refraction of light 42 Law of refraction and vari- fication 43 Law of sines. Glass and water 44 Phenomena of refraction. (Bent stick) 45 Explanation of phenome- na of refraction 46 Atmospheric refraction 47 Effects of refraction on sunset 48 Total reflection. Limiting angle 49 Phenomena of total re- flection 50 Totally reflecting prisms 51 Illustration of total reflec- tion by cut glass 52 The mirage 53 Explanation of the mirage 54 Deviation by refraction. (Parallel plate) 55 Deviation by refraction. (Successive media) 56 The prism 57 Deviation by prism 58 Explanation of deviation 59 Deviation and retardation 60 Index of refraction. Du- long’s apparatus 61 Index of refraction. Spec- trometer 62 Lens considered as an as- semblage of prisms 63 Converging and diverging lenses 64 Various foci for converg- ing lenses 65 Principal foci of double and plano-convex lenses 66 Formation of image by converging.lenses 67 Fresnel’s lens 68 Lenticular apparatus of lighthouse 69 Diagram illustrating spherical aberration 70 Decomposition of light by prism 71 Necessity for use of nar- row slit 72 Unequal refrangibility of different colors 73 Recomposition of light No. 1 74 Recomposition of light No. 2 75 Deviation without disper- sion 76 Anomalous dispersion 77 Achromatic prisms 78 Chromatic aberration 79 Achromatic lenses 80 Spectroscope with re- flected scale 81 Solar spectrum. (Fraun- hofer) 82 Coincidences of Fraun- hofer lines with those of sodium, Ac 83 Chart of radiation spectra 84 Chart of absorption spec- tra 85 Thermal, luminous, and actinic rays in solar spec- trum 86 Calorescence. Tyndall’s apparatus. No. 1 87 Calorescence. Tyndall’s apparatus. No. 2 88 Fluorescence 89 Fluorescent spectra 90 Phosphoroscope 91 Phosphorescent spectra 92 Horizontal section of the eye-ball 93 Vertical mid-section of the eye-ball. No. 1 94 Vertical mid-section of the eye-ball. No. 2 95 Diagram of nervous and connective elements in retina 96 Diagrammatic section of macula lutea 97 Pigment cells from the choroid coat 98 The crystalline lens. Structure 99 The crystalline lens. Ac- commodation 100 Schemer's experiment on accommodation 101 Formation of image on retina 102 Diagrams explaining long and short sight 103 Ophthalmoscope 104 Illustration of monocular and binocular vision 105 Diagram explaining bi- nocular vision 106 Corresponding points on retina 107 Wheatstone’s reflecting stereoscope 108 Brewster’s refracting stereoscope 109 Helmholtz’s lenticular stereoscope 110 Analogy between sound and light, illustrated by persistence of vision 111 Thaumatrope and Prax- inoscope 112 Optical illusions 113 Subjective colors. (Nor- renberg’s apparatus)