1330 



INDEX TO VOI* I. 



ARTIFICIAL 1I.U MINATIOX. 



ARTIFICIAL ILLUMINATION. 



ACIOT, Mtj, 95, rf iff. 

 Add., stearic, Ac., 9i, H $tf. 

 Action of brat on organic matter, 116. 

 Air of roomi, vitiation of by gas, &c., 



134. 



Almond oil. KM. 

 Ammonia, 1)6. 

 Analyst* of gas, 120. 

 Ancient lampi, 87, 108. 

 Aniline, 118. 

 Animal oils, 103. 

 Aquafortis, action of, on fats, 102. 

 Argand's invention, 87, 110, 129. 

 Artificial illumination, 86. 

 Atmospheric air, and light, 88. 



BENZOLE, 107. 



Billow's bnrner, 90. 



Bisulphide of carbon in gas, 116, 119. 



Bleaching of wax, 98. 



Bowditch's apparatus for supplying air 



to lamps, 92. 

 Bade light, 112, 

 Bunsen's photometer, 93. 

 Burner* (See Gas-burners). 



CAMELISE oil, 105. 



Carophine lamps, 112. 



Camphine, or oil of turpentine, 106. 



Candles, composite, 97. 



Candles, dip, 94. 



Candles, materials employed in the makine 



of, 93. 



Candles, palm and cocoa-nut oil, 95. 

 Candles, stearine, 97. 

 Candles, varieties and manufacture of, 93. 

 Candles, wax, 98. 

 Candles, wicks of, 93. 

 Carbonic acid gas from combustion, 91. 

 Carbonic oxide, 116. 

 Caropa or crab-o'l, 95. 

 Castor oil, 101. 

 Cetine, 97. 

 Cetylic acid, 97. 

 Cherreul'i discovery, and its application, 



95. 



Coal-gas, its composition, 91, 117. 

 Coal naphtha, 107. 

 Coali, relative value of, 117. 

 Cocoa-nut oil, 95, 105. 

 Cocura oil, 95. 

 Cod-liver oil, 104. 

 Colouring effects of nitric and sulphuric 



acids, 101. 

 Colour of flame, 90. 

 Combustibles, relative value of, 91. 

 Combustion, laws of, 88. 

 Combustion, manner of, 89. 

 Combustion, products of, 91. 

 Combustion, spontaneous, causes of, 100. 

 Combustion, theories of, 88. 

 Commercial value of gas as tested by 



the photometer, 120. 

 Composite candles, 97. 

 Cotton-seed oil, 105. 



DAVY'S (Sir Humphry) investigations, 91. 



Davy's safety-lamp, 92. 



Dip candles, 94. 



Dodder or cameline oil, 105. 



Urummond light, 90, 134, 139. 



ECLMRAOS, AD GAZ for lamps, 106. 

 Effects of cold on flame, 91. 

 Electric light, 134, tl ttq. 

 Electric light, batteries used for the, 135. 

 Electric light, cost of producing the, 139 

 Electric light, Holmes', 139. 

 Klertric light, intensity of the, 138. 

 Electric light, lamps for tlie, 1.')'',. 

 Kli-ctric lifht, Lemolt's method, 137. 

 Electric light, mode of obtaining the, 135. 



Electric light, optical effects of the, in 



water, 139. 



Electric h'ght, Pearee's method, 137. 

 Klcctric light, Suite's method, 137. 

 Epic oil, 95. 



Eremantuais, or slow-burning, 89. 

 Explosions of gas, 132. 



FALOTS of Paris, 87. 



Patty acids, 95. 



Fatty acids, by hot and cold pressure, 97. 



Patty acids, decomposition of, by sulphuric 



acid, 96. 



Patty acids, distillation of by steam, 96. 

 Patty acids, Fremy's process, 96. 

 Fatty acids, how obtained, 95. 

 Fatty acids, Milly's process, 97. 

 Fatty ncids, sapouification process, 96. 

 Fatty acids, sulphuric acid process, 96. 

 Fish oils, 104. 

 Fitzmaurice light, the, 139. 

 Flame, burning at high temperatures, 90. 

 Flame, cause of light in, 89. 

 Flame, colour and heat of, 90, 91. 

 Flame, effects of cold on. 91. 

 Flame, nature and causes of, 89. 

 Flame, quantity and intensity of, 90. 

 Fusel oil, 107. 



GALAH butter, 95. 



Gas, ammouiacal, 116. 



Gas, analysis of, 1 20. 



Gas, application of governors to, 131. 



G,is-burners, 128. 



Gas-burners, bat'a-wingand simple jet, 128. 



Gas-burners, cockspur, 128. 



Gas-burners, fish-tail. 128. 



Gas-burners, Gardner's, 128. 



Gas-burners, Gaumont's, 129. 



Gas-burners, Leslie's Argand, 130. 



Gas-burners, outside, 133. 



Gas-burners, relative economy of, 130. 



Gas-burners, self-regulating, 131. 



Gas-burners, sun, 129. 



Gas-burners, the Boccius, 129. 



Gas-burners, the pinnacle, 130. 



Gas-burners, various Argand, 129. 



Gas, carbonic acid, from combustion, 91. 



Gas, carbonic oxide, 116. 



Gas-coal, materials used for, 117. 



Gas, chlorine and bromine tests, 120. 



Gas, commercial value of, 120. 



Gas, early history of, 114. 



Gas, explosive force of, 132. 



Gas, first employed in public streets, 115. 



Gas from coal-tar, 126. 



Gas from wine-lees and grape-skins, 126. 



Gas, genera) remarks on, 114. 



Gas, generation of water, 121. 



Gas-governors, 131. 



Gas, hydrocarbon, 123. 



Gas, hydrogen, 116. 



Gas, illuminating power of water, 124. 



Gas, impurities of, 116, 118. 



Gas, innocuous illuminating agents, 131. 



Gas, introduction of, 88. 



Gas, light-giving, 116. 



Gas, light-giving, relative value of, 122. 



Gas, management of, 132. 



Gas, manufacture of, 116. 



Gas-meter, 126. 



Gas-meter, dry, 127. 



Gas-meters, general management of, 132. 



Gas-meter, principle of the, 126. 



Gas-meter, wet, 120. 



Gas, oil, 122. 



Gas, nl. ii. int, 116. 



Gas, peat, 125. 



Gas, poisonous properties of coal, 133. 



Gas, portable, 123. 



Gas, pressure of, 130. 



Gas, Prussian blue from, 119. 



Gas, purifying of, 117. 



Gas, rate of burning of, 130. 



Gas.regulators, 131. 



Gas, resin, 123. 



Gas, specific gravity of, 121. 



Gas. statistics of, 115. 



Gas, sulphuric acid and explosive tests, 121. 



Gas-tar, products of, 1 1 8. 



Gas, tests of impurities in, 119. 



Gas, value of refuse matter of, 118. 



Gas, value of water, I2i. 



Gas-ventilation, 133. 



Gas, vitiating effects of different lights, 



119, 133. 

 Gas, wood, 125. 

 Ghea or Shea butter, 95. 

 Glover's keif-regulating burner, 131. 

 Governors, gas, 131. 



HBAT, action of, on organic matter, 116. 



Heat of flame. 91. 



Hemp-seed oil, 105. 



History of artificial light, 86. 



Holmes' electric light, 139. 



Hydrocarbon gas, 123. 



Hydrocarbon gas, illuminating power of, 



124. 



Hydrocarbon gas, its generation, 124. 

 Hydrocarbon gas, value of, 125. 

 Hydrogen gas, 116. 



ILLUMINATING agents, vitiating eflects of, 



133. 



Illuminating power of different oils, 102. 

 Illuminating power of solid bodies, 89, 90. 

 Illumination, artificial, 86. 

 Illumination, history of artificial, 86. 

 Illuminations, street, 68. 

 11]', i oil, 95. 



Impurities of ga, 116, 118. 

 Instruments for measuring light, 92. 

 Intensity of flame, 92. 



KHATZUW. BUTTER, 95. 



LAMP oils, 99. 



Lamps, ancient, 87. 



Lamps, Argand, 110. 



Lamps, Argand, discovery of, 109. 



Lamps, camphine, 113. 



Lamps, fountain and carcel, 112. 



Lamps, management of, 101). 



Lamps, naphtha, 1 13. 



Limps of the ancients, 108. 



Lamps, oil, 109. 



Lamps, sinumbra, 111. 



Lamps, solar, 112. 



Lamps, solar, principle of, 1 12. 



Lamps, spirits for, 106. 



Lamps, vapour, 113. 



Lamps, varieties of, 109. 



Lamps with glass, fir*t usrd, 88. 



Lamps with oxydator, 1 10. 



Lanterns of horn, 88. 



Lard oil, 104. 



Lavoisier's theory of combustion, 88. 



Laws of light, 92. 



Laws of combustion and flame, 88. 



Leslie's photometer, '.!_'. 



Light, depression of, 92. 



Light, electric, 134, et seq. 



Light, Fitzmaurice, the, 1 .19. 



Light in flame, cause of, 90. 



Light, instruments for measuring, 92. 



Light, intensity of, 92 



Light, ox y- hydrogen, 90, 131, 139. 



Light (radiant) and heat, laws of, 92. 



<! oil, 105. 

 Luminous burning, 89. 



MANAGEMENT of gas, 132. 

 Management of oil-lamps, 109. 



