Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 216
where suffi-ciently large reflecting surfaces can be got and kept clean. Photographic arc lamps are inverted, and the light reflectedfrom a dead white surface for portraiture work. The figure shown 186 Photo-Electric Lamps (Fig. 222) is a lamp made for photooniphic studios from designs by…
Electrical engineering · Electric power
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
