INDEX
348 Gas lights, high pressure, Gas lights in shops, 248. Gas machines, 85.
107.
Illuminants, interior, choice
215.
of,
Illuminants, petroleum, 80. Illuminants, street, 312.
Gas, Pintsch, 88. Gas, water, 87. Gasoline gas machine, 85.
modern
varieties,
Illuminating gases, 87.
General Electric Company's flamearc lamp, 170. General illumination and reflection, 46.
Generators, acetylene, 94-95. Glass, colored luminosity of
light
Illuminating system in Boston schoolropms, 263. Illumination, artificial, key to, 3. Illumination for high rooms, 219.
Illumination for machines, 244. Illumination for public buildings, 258. Illumination for work rooms, 243.
transmitted through, 32. Glass shades, 187.
Illumination, indirect, 203. Illumination of basements, 231.
Globe, holophane, 191.
Illumination of bathrooms, 231. Illumination of bedrooms, 230.
Globes,
light absorption of various
Illumination of billiard rooms, 231. Illumination of churches, 252.
kinds, 186.
Goggles, Indian,
Grouping
lights
2.
in
illumination
of
halls, 237.
Illumination of domes, 251. Illumination of halls, 236.
H. Hallways, illumination
of,
Illumination of hallways, 225. Illumination of kitchens, 229.
225.
Halls, illumination of, 236.
Illumination of large rooms, 235-278. Illumination of libraries, 227.
Harcourt pentane standard, 54. Hefner lamp, 53, 54.
Illumination of library buildings, 267. Illumination of living-rooms, 228.
Height of street lights, 303. Heterochromic photometry, 66. Hewitt's fluorescent reflecting screen, 179.
pressure gas lights, 107.
High High room illumination, 219, 249. Holophane globes, 191. Houston and Kennelly's illuminometer, 74.
Human eye, Hygienic
the, 2, 5, 6, 13. relations of illuminants,
114.
common,
colors of, 35.
Illuminants, comparative cost Illuminants, composition
of,
115.
of, 77.
233.
Illumination of public squares, 281. Illumination of reception rooms, 226. Illumination of schoolhouses, 261. Illumination of shops, 247. Illumination of tennis courts, 265.
Illumination of the
hygienic
Illumination, strength various needs, 20.
Illumination,
Illuminants, flame, 79. 114.
offices,
Illumination of pantries, 229. Illumination of public rooms, 269.
Mosque
of St.
Illumination, strength of, in relation, to shade perception, 5.
Illuminants, acetylene gas, 91-94.
Illuminants,
Illumination of music rooms, 226. Illumination of
Sophia, 255. Illumination of theaters, 259. I.
Illuminants,
Illumination of closets, 231. Illumination of dining rooms, 228.
to
of,
required
for,
determine amount
necessary, 4. relations
of,
Illumination, of, 1.
two general purposes