Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 301
Electrical Engineers Mr.Esheleman remarks that Avhen windingcoils for electric machinery he foundhe could only earn $1-10 on the nightsliift, while on the day shift he earnedquite $2. Moreover, while only 5 percent of the coils wound in tlie daytimefailed to pass the insulation test, a^many as… … {fi. TWO INDIFFERENT EXAMPLES OFSHOP-LIGHTING. These two examples of shop windo^^lighting illustrate the primitive sj-stemstill very common, of exposing brightlights to tlie eyes of passers-by. The arc lamps on the right arehung at a low level. Doubtless theyserve as an advertisement, but theyare…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
