Building ships under artificial light at Hog Island
Shipyard 241

Artificial light in photography 256

Sterilizing water with radiant energy from quartz
mercury-arcs 257

Judging color under artificial daylight 272

Artificial daylight 273

Fireworks and illuminated battle-fleet at
Hudson-Fulton Celebration 288

Fireworks exhibition on May Day at Panama-Pacific
Exposition 289

The new flood lighting contrasted with the old
outline lighting 304

Niagara Falls flooded with light 305

Artificial light honoring those who fell and those
who returned 320

The expressiveness of light in churches 321

Obtaining two different moods in a room by a portable