Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 235
marcationbetween pavement and roadway to bemore readily distinguished by drivers ofvehicles and pedestrians. Experimentsare said to have proved the utility ofthis device, which one can quite wellbelieve. For the main element in thiscase is contrast. Everyone knows thatthe danger of stumbling over a… … Recd-Ware Chandelier.
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
