Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 66
Kitle3-NatioDal AutomaticLlixs Arc(hidoor Type),the lamp, thus saving the mantles fromdamage. These lamps are supplied bothfor indoor and outdoor use. With this new low-pressure lamp.550 c.-p. can be obtained tor a con-sumption of only 15 cubic feet of gasper hour, and it is therefore…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
