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She was fitted out with incandescent lamps in June 1881.
She was cut severely over her left eye by one of the incandescent lamps.
He apparently tried to establish an agency for incandescent lamps.
The beginning is laid during 1934 with incandescent lamps for general lighting service.
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.
When Edison began testing incandescent lamps he ran into a major problem.
Do you have an incandescent lamp in this fancy room?"
Where can you find incandescent lamps in your facility?
"The incandescent lamps on the third floor were full of water, there was such a bad leak.
Above the platform is a canopy where many of the incandescent lamps are placed.
In the early days of work on the incandescent lamp, also, there was considerable trouble with mercury.
Some research has been carried out to improve the efficacy of commercial incandescent lamps.
Incandescent lamps are very sensitive to changes in the supply voltage.
However, recent products have solved these problems so that they perform more like incandescent lamps.
For practical work, a group of tungsten incandescent lamps are used.
In this, which was a new and radical invention, we see the first step toward the modern incandescent lamp.
Thomas Edison began serious research into developing a practical incandescent lamp in 1878.
We must also exclude from this system those products which seem particularly difficult to collect, such as incandescent lamps, for example.
Edison unveiled his electric incandescent lamp to the public in January 1880.
Until October 21, 1879, there was nothing in existence resembling our modern incandescent lamp.
Incandescent lamps have been phased out over the years.
I was making some stuff to squirt into filaments for the incandescent lamp.
Some cheaper watches have small incandescent lamps to illuminate the display.
The efficacy of conversion from electric power to light is generally higher than for incandescent lamps.
