Light and lighting . SEMENT POSTERS. The increasing number of advertisementhoardings in the streets is a familiarfeature of most large cities. The artisticpossibilities of such posters have beenmuch developed during recent years ; infact, poster design has become quite aspecial art. This being the case, it appears some-what surprising that in comparativelyfew cases has any serious effort been madeto light up these posters by in this way, such advertise-ments become much more prominent special reflectors were used to illuminatea series of hoardings. It will be seenthat the ref
Light and lighting . SEMENT POSTERS. The increasing number of advertisementhoardings in the streets is a familiarfeature of most large cities. The artisticpossibilities of such posters have beenmuch developed during recent years ; infact, poster design has become quite aspecial art. This being the case, it appears some-what surprising that in comparativelyfew cases has any serious effort been madeto light up these posters by in this way, such advertise-ments become much more prominent special reflectors were used to illuminatea series of hoardings. It will be seenthat the reflector completely conceals thesource from the eyes, throwing the lightover the poster, and we understand thatit is specially shaped with a view toilluminating the pictures evenly from topto bottom. The length of the hoardingis about 48 ft., and it is about 12 ft. are five reflectors used to illuminatethe hoarding, each of which containsthree burners consuming 4 cu. ft. perhour each. The total amount of cas. objects than in the day-time. Theystand out better. It may also be that people walking the streetsby night have more leisure to inspectthe pictures than they would during theday-time, when business occupies theirthoughts. By the courtesy of the South Metro-politan Gas Co. we are able to showa photograph of an installation in theCompanys district, in the New CrossRoad, where gas lamps equipped with consumed would, therefore, be aboutone-tenth cu. ft. per sq. ft. of surfaceilluminated. In addition, as will beseen, a considerable amount of light isthrown on the pavement below. The problem of illuminating largeposters is a decidedly interesting one,and we hope shortly to be in a positionto give some more precise details,showing the arrangement of these lampsand the intensity and distribution ofillumination. 40 THE ILLUMINATING ENGINEER ijan.)
Size: 2050px × 1219px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthori, bookcentury1900, bookdecade1900, bookpublisherlondon
