276 



INDEX. 



Cutting masks, 142. 

 Cylinders, Capacity of, 49. 

 Cylinders for gas, 48. 



DALLMEYER'S Condenser, 23. 

 Decomposition of water, 192. 

 Desk for slide painting, 148. 

 Detachable biunial, 13. 

 Detective cameras, 260. 

 Developers, 120, 121. 

 Development, 119. 

 Development of photograph in 



lantern, 199. 

 Dissolver, 9, 80. 

 Distance between lantern and 



sheet, 95. 



Distances, Table of, 96. 

 Double boards, 62. 

 Drummond Light, 5. 

 Drying-rack, 136. 

 Dry plate slides, 109. 



EASEL for enlarging, 224. 

 Electric Bell, 271. 

 Emulsion, Filtering, 132. 

 Emulsion making, 128. 

 Enlarging lantern, 239. 

 Enlarging photographs, 222. 

 Enlargements, 209. 

 Equivalent focus, 95. 

 Ether-oxygen light, 83. 

 Experimental lantern, 190. 

 Experiments with tank, 193. 

 Exposing gauge, 229. 

 Exposure, 117. 



Exposures for enlargements, 

 228. 



FILTERING Emulsion, 132. 

 Frame for sheet, 93. 

 Frogs' legs, Projection of, 

 174. 



GAS-BAGS, 58. 



Gas bottles or cylinders, 48. 

 Gelatine process, 115. 

 Gelatino-bromide paper, 225. 

 Gelatino-chloride plates, 133. 

 Glass grinding, 101. 

 Ground-glass lantern slides, 



99. 



Ground-glass varnish, 102. 

 Gauge for exposures, 229. 



HAND Cameras, 259. 

 Hanging the sheet, 88. 

 Hints, Practical, 264. 

 Home-made gelatine plates, 



127. 

 Hydrogen generator, 69. 



ICE experiment, 197. 

 Iceland Spa, 187. 

 Intensifying, 140. 



JET, Blow-through, 53. 

 Jet, Mixed, 53. 

 Jet, Oxycalcium, 50. 



KALEIDOTROPE, The, 179. 

 Kircher, 3. 



LAMP, Newton's, 6. 

 Lantern and Photography, 

 The, 204. 



