INDEX. 



Ill 



Crookshank, Dr. E. M 13 



Crookshank on Photography 



of Bacteria ". 13 



Cup Reflector 177 



Cupric Ammonio-sulphate 42 



"Cut-off," Author's foi Lime- 

 jet 44 



Cyanin, Sensitizer to Red K>7 



Cylinders For Gases 161 



Dallinger& Drysdale, Drs 30 



Damp in Platinotype, Precau- 

 tions Against 131 



Dancer 12 



Dark Room Window 55 



Dark Slide, Mode of Fitting to 



Camera 52 



Darkening Lantern Lecture 



Room 159 



Daylight Enlarging 135 



" Deep" Objects, Photography 



of 86 



Defects in Plates 104 



Definition " Denned 164 



" Depth of Focus " 28 



Details, First Appearance of, in 



Development 94 



Developer, Ferrous Oxalate.. 63 

 Developer, Ferrous Oxalate 



Normal 92 



Developer, Pyro-ammonia. . . 91 

 Developer, Pyro-carbonate. . . . 91 

 Developer, Quantity Required 



of 98 



Developer, Quinol or Hydro- 



quinone. ., 99 



Developers, Normal 91 



Developing Dishes 57 



Developing Plates, Light For.. 55 



Development, Abnormal 97 



Development, Manipulations of 92 

 Development, When to Stop. . 95 

 Development of Details, Pro- 

 gress of 93 



Development of Platinum Prints 131 

 Diaphragm, Iris, for Condenser 34 



Diaphragms, In Ocular 32 



Diaphragms for Condensers. . 34 



Diatoms, Photos of 13 



Diatoms, Test, How to Treat.. 171 

 Differential Screw Adjustment 24 



Diffraction-grating 42 



Diffused Daylight as Radiant.. 42 



Disc Size For Lantern 158 



Dishes For Developing, etc. .. 57 



Donne 12 



Draper, Dr., his Work 14 



Draw Tubes, Rack Work for. . . 24 



Drying Box 107 



Drying Rack 58 



Dusting Plates 104 



Easel for Enlargements 140 



Eastman Co. Bromide Paper. . . 127 

 Eastman Co. Transferotype 



Paper 127 



Eastman Company's Easel for 



Enlargement 140 



" Easy" and " Difficult " Work 20 

 Easy Objects to Photograph. . . 79 



Echinus Spine as a Test 32 



Edwards, Mr. B. J., Isochro- 



matic Plates, Commercial. . . 106 

 Effect of Condenser On 



Illumination 89 



Electric Arc Lamp 43 



Electric Incandescent Lamp. .. 43 



Electric Light as Radiant 39 



Electric Light as Radiant 43 



Enamelling Albumen Prints. .. 119 

 Enlarged Negative, To Pro- 

 duce 141 



Enlarged Versus Direct Nega- 

 tives 66 



Enlarging, Condenser for. . .. 139 



Enlarging, Discussion on 134 



Enlarging, Double Camera for. 136 

 Enlarging, Exposure Required. 138 



Enlarging, Lens for 136 



Enlarging, Necessaries for. . . 134 



Enlarging by Daylight 135 



Enlarging by Optical Lantern.. 138 

 Enlarging by Optical Lantern, 



the Radiant 139 



Enlarging From Gelatine Nega- 

 tives 65 



Eosin, For Sensitizing Plates.. 106 

 Erythrosin, to Use For Plates. 107 

 Erythrosin Bath, Bothamley's. 113 



Evans, F. H 15 



Examples of Operations 79 



Exposing Shutter 53 



Exposure 88 



Exposure, Duration of 39 



Exposure, Greatly Affected by 



Color 90 



Exposure, Factors Regulating 89 

 Exposure, Rapid, How to Make 54 

 Exposure, Tables Deprecated 88 

 Exposure, to Judge on Devel- 

 opment 98 



Exposure Table, Bousfield's. . 89 

 Eye-Piece or Ocular, Use of. . 74 



Eye-Piecing, Toleration of 31 



Factors Regulating Exposure 89 

 Farmer, Howard, his Reducer 63 



