| Within this
principle also lay the ability to make bulbs which were considerably darker.
Not only due to their glass being painted black but also from the ability
to create filaments of varying resistance. These bulbs would come in handy
when a person or even a cities whereabouts would have to be concealed
in times of war. Light could, for example, not leak from gaps in curtains
if the source were both directional, and weak. This would mean aeroplanes
or distant troops would not be able distinguish general landscape from
potential target. This also made it possible to determine variety in a light bulbs life span. Producers now had the ability to create bulbs which would die out when they wanted them to, hence the beginning of a malleable industry and market… |
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| Many other attempts were made towards alternative and
efficient means of lighting, one of which was the fluorescent tube,
a system requiring quite low energy consumption.
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| Overall, a typical fluorescent
lamp would become four to six times more efficient than an incandescent
lamp. In order to advertise such a new kind of lamp, various companies
had first turned to two venues for installation, one being a chapel, in
a distant country, and the other fitted by the company, a low cost household
and clothing store in a city not far from here. |
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