**
She was cut severely over her left eye by one of the incandescent lamps.
She was fitted out with incandescent lamps in June 1881.
He apparently tried to establish an agency for incandescent lamps.
The beginning is laid during 1934 with incandescent lamps for general lighting service.
When Edison began testing incandescent lamps he ran into a major problem.
Physically, some such devices are often built quite like incandescent lamps.
Consequently, a lot of the energy used to power an incandescent lamp is wasted.
Some research has been carried out to improve the efficacy of commercial incandescent lamps.
In this, which was a new and radical invention, we see the first step toward the modern incandescent lamp.
However, recent products have solved these problems so that they perform more like incandescent lamps.
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