LIGHT PHOTOGRAPHY. ] 



INI EX TO VOL. I. 



1221 



Margarine, 95. 



Meters, gas, wet and dry, 126. 

 Mould candles, 93, 94. 

 Mustard-seed oil, 105. 



NAPHTHA, 107. 



Naphtha lamps, 113. 



Nature of flame, 89. 



Neat's-foot oil, 102. 



Neem oil, 95. 



Nitric acid, action of, on oils, 102. 



Nitrous acid test of oils, 102. 



Nut oil, 105. 



OIL, caropa or crab, 95. 



Oil, coal-naphtha, 107. 



Oil, corum, 95. 



Oil, dodder or cameline, 105. 



Oil, epie, 95. 



Oil, fusel, 107. 



Oil gas, 122. 



Oil gas, specific gravity of, 122. 



Oil, ilpa, 95. 



Oil-lamps, 109. 



Oil, necm, 95. 



Oil of fermented liquor, 107. 



Oil, olive, 104. 



Oil, Kessamum, 105. 



Oil, spa, 95. 



Oils, extracting and refining of, 99. 



Oils, fih and seal, 104. 



Oils, heat as a test of purity in. 101. 



Oils, illuminating power of, 102. 



Oils, lamp. 99. 



Oils, properties and specific gravity of, 



100. 



Oils, sources of, 99. 

 Oils, varieties of, 1 03. 

 Oils, vegetable, 104. 

 Oils, volatile, 106. 

 Oil, whale and train, 103. 

 Olefiant ga, 116. 

 Oleic acid in oil, 104. 

 Olive oil, 104. 

 Orange-seed oil, 104. 

 Oxy-hydrogen light, 90, 134, 139. 



PALM oil. 94. 



ACETIC acid, 145. 

 Acetic acid, glacial, 146. 

 Acids (See their names). 

 Adjustment of the camera, 147. 

 Albumen process, the, 159. 

 Albumenisation of paper, 153. 

 Apparatus, photographic, 1 12. 

 Apparatus required. 144. 

 Artificial light, photographs produced by, 

 163. 



BATHS, silver, 148, 149, 151. 

 Bromide of silver, 1 15. 

 bromine, 141. 



CAI.OTYPI process, 158. 



Camera, adjustment of the, 147. 



Camera, choice of a, 143. 



Camera, construction of the, 143. 



Camera, different kinds of, 143. 



Camera, focussing the, 143. 



Camera, leases of the, 143. 



Camera, supports for the, 143. 



Camera, the, 142. 



Celestial photography, 164, 165. 



Chemicals required in photography, 144. 



( hi'iiiitry, photographic, 144. 



Chlorine, 144. 



Chromotype process, 158. 



Collodio-albumen process, 160. 



Palmer's candles, 95. 



Palmitine, 95. 



Paraffine, 98. 



Paraffine, Brown's process, 93. 



Paraffine, manufacture, Ac., of, 93. 



Paraffine, Recce's process, 98. 



Peat gas, 125. 



Petroleum, 107. 



Petroline, 98. 



Phlogistic theory, 88. 



Photometry, or measuring light, 92, 120. 



Piney tallow, 95. 



Poisonous properties of coal-gas, 133. 



Poppy oils, 105. 



Portable gas, 1 23. 



Poutet's test for pure oils, 102. 



Pressure of gas, most economical, 130. 



Price's candles, 97. 



Principles of lamps, 109, et teq. 



Products of combustion, 91. 



Purification of gas, 118. 



RADIANT li<;ht, laws of, 92. 



Rape-seed oil, 105. 



Rarefaction reduces flame, 92. 



Regulators, gas, 131. 



Relative gas-giving value of coals, 117. 



Relative gas-making power of coals, 122. 



Resin gas, 123. 



Ritchie's apparatus for measuring light, 



92. 

 Rumford's method of measuring light, 92. 



SAFETY lamp, 92. 



Seal oil, KM. 



Sesunum oil, 105. 



Spa oil, 95. 



Spermaceti, 97. 



Spermaceti candles, 97. 



S|rmacrti, characteristics of, 97. 



Spermaceti, manufacture of, 97. 



Spirits for lamps, 106. 



Spontaneous combustion, 100. 



Stearine, 95. 



Steariue candles, 97. 



Stearine, processes for obtaining, &c., 96, 



*/ teq. 

 Steel mill of the miner, 13J. 



PHOTOGRAPHY. 



Collodion, 145. 



Collodion, coating the plate with, 148. 



Collodion, dry process, 160. 



Collodion, for negatives, 151. 



Collodion negatives, 151. 



Collodion positives, general remarks, 150, 



151. 



Collodion, positive pictures, 146, et teg. 

 Collodion, precautions in coating plate 



with, II*. 



Collodion process, the, 146. 

 Collodion, to make, 145. 

 Colouring photographs, 163. 

 Copying-frame, the, 141, 154. 

 Copying from negatives, 154. 

 Cyanide of potassium, 146. 



DAGUERREOTYPE plates, preparation of, 

 ioJisinir, mercurialising, and filing, 

 156, et teq. 



Daguerreotype process, the, 156. 



Daguerreotypes, toning process for, 158. 



Dark room, light to be used in the, 148. 



Dark room, requisites for the, 148. 



Dark room, the, 148. 



Developing, precautions required in, 150. 



Developing process, 149. 



Developing solutions for negatives, 152. 



Developing solutions for positives, 1 30. 



Dipping-bath, the, 141, 1 1'J. 



Street illumination, 88. 



Sulphuretted hydrogen in gas, 116, 119. 



Sulphuric acid, action of, on oils, 101. 



Sulphuric acid, injurious to books, &c., 

 119. 



Sulphuric acid produced during combus- 

 tion of gas, 119. 



TALLOW, 94. 



Tallow candles, 94. 



Tallow, piney, 95. 



Tar, gas from, 125. 



Tar, products of, 118. 



Test for impurities in gas, 119. 



Test of gas by bromine, 120. 



Test of gas by chlorine, 120. 



Test of gas by durability, 121. 



Test of gas by explosion, 121. 



Test of gas by specific gravity, 121. 



Test of gas by sulphuric acid, 121. 



Test of pure oils, 101. 



Theories of combustion, 88. 



Turpentine, lOli. 



VALUE of the refuse of gas -works, 118. 



Vegetable fats, 95. 



Vegetable oils, 99, 104. 



Vegetable wax, 97. 



Ventilation and gas explosions. 133. 



Vitiating effects of different illuminating 



agents, 119, 133. 

 Vitiation of air in rooms by gas, &c., 133, 



134. 

 Volatile oils, 106. 



WALRUS oil, 104. 



Water-gas, 125. 



Wax, bleaching of, 98. 



Wax, its varieties and characteristics, 97. 



Wax of commerce, the melting-point of, 



98. 



Whale oil, 103. 

 Wheatstone's photometer, 92. 

 Wicks of candles, 93. 

 Wood gas, 125. 



YOUNG'S paraffine oil lamp, 139. 

 Young's paraftine procen* <l 



Distilled water, 141. 



Dry collodion process, 1 CO. 



ELEMENTARY photography, directions for 



pursuing, 140, el teq. 

 Engraving, photographic, 161. 

 Exposing the sensitive plate, 149. 

 Exposure, time of, in the camera, 149. 



FIXING collodion pictures, 150. 

 Fixing Daguerreotypes, 157. 

 Fixing process, 141. 

 Fixing solutions for positives, 150. 

 Focussing the lenses, 147. 

 Fothergill process, the, 1 60. 



GALLIC acid, 146. 



Gelatine paper, 153. 



Glass plate easily abraded, 147. 



Glass plate, to clean the, 146. 



Glass plate, to coat with collodion, 147. 



Gun-cotton, 145. 



HAIR-DYEING materials, 142. 

 Hyposulphite of sodium, 141. 



IODIDE of silver, 145. 



Iodides used in photography, 145. 



I.i'lim-. I II. 



D.iguerreotypes, 156. 



