IV 



INDEX. 



Ferrotype Plates for Glazing 



Prints 120 



Ferrous Oxalate, Normal Devel- 

 oper 92 



Ferrous Oxalate Developer. . 63 

 Ferrous Sulphate Solution. ... 63 



Field, Flatness of 32 



Field Glass of Ocular Used 



as Condenser 167 



Fine Adjustment, Differential 



Screw , 24 



Fine Adjustment, Long Lever. . 26 



Fixing Albumen Prints 119 



Fixing the Plates 101 



Fixing Solution for Prints.... 64 

 Flagella of Microbes, To Treat 171 



"Flares" 77 



Flatness of Field 32 



Flea, Peculiar Preparation of.. 109 

 Focal Length Regulates 



"Power" 31 



Foci, Visual and Actinic not Co- 

 incident 27 



Focusing Bull's-eye 83 



Focusing Condenser 81 



Focusing Eye-Piece 53 



Focusing Eye-Piece, To Set 



Focus of 53 



Focusing Surfaces 52 



Focusing the Projection Ocular 85 



Focusing Various Images 85 



Fog, To Discover Cause of.... 104 



Fog on Negatives 103 



Fraenkel and Pfeiffer, Drs., 

 their Micrographs of Bacteria 16 



Frilling of Gelatine Plates 103 



Gas Cylinders, Safety Of 161 



Gas Tanks 161 



Gelatine Bromide For Lantern 



Slides 151 



Gelatine Bromide Plates, Clear- 

 ing 101 



Gelatine Bromide Plates, Fix- 

 ing 101 



Gelatine Bromide Slides, De- 

 velopers 151 



Gelatine Bromide Slides, Ex- 

 posed 151 



Gelatine Chloride, Characters 



of 121 



Gelatine Chloride, Chemicals 



for Printing on 60 



Gelatine Chloride Lantern 



Slides : 149 



Gelatine Chloride Printing 121 



Gelatine Chloride Slides, Ex- 

 posure 149 



PAGE 



Gelatine Chloride Slides, . 



Formulae For Developers. . . 150 

 Gelatine Chloride Slides, To 



Reduce 150 



Gentian Violet, To Photograph 110 



Gibbes, Heneage 15 



Glass, Cobalt Blue (foot note). 43 

 Glass for Collodion, To Clean. 147 



Glazing Albumen Prints 119 



Gold Chloride, in Tubes 119 



Gold Toning, Rationale and 



Use of 115 



Gold Toning Solution 64 



Gotz, Mr. J. R., Color-Sensitive 



Plates 106 



Ground Glass of Camera 52 



Hartnack, Student Stands 26 



Heliostat, Generally Required. 39 



High and Low Angles 165 



Histological Subjects 170 



History 11-12 



Homogeneous Immersion.... 162 

 " Hook's Joint" for Focusing. 50 

 Horizontal Position for Stand.. 22 

 Hot Bath Process, Platinotype. 131 



Hydrochinon For Slides 152 



Hydroquinone Developer 99 



" Hypo," Solution 63 



Hypo, To Remove from Prints 119 



Illumination 39 



Illumination as Affecting Ex- 

 posure 89 



Immersion, Advantages of 162 



Immersion, Homogeneous 31 



Immersion, System Of 162 



Immersion for Condensers.. 163 

 Incandescent Lamp as Radiant 43 



Initial Power 75 



Insect Preparations, How to 



Treat 167 



Intensification of Gelatine 



Plates 103 



Intensification with Mercury. . 63 



Introduction ll 



Iron Developer for Wet Collo- 

 dion 148 



Iron Perchloride for Reducing 63 

 Ives, His Orthochromatic Pro- 

 cess 107 



Jennings, late Isaac H 14 



jets for Lime Light 42 



Judgment of Exposure in De- 

 velopment 94 



Koch, Dr. R., his Work 13 



Lamp, Microscopical 22 



Lamps, " Non- Actinic " 56 



Lantern, Size of Disc 158 



