Such lamps in many cases conveniently replace large sizes of incandescent lamps, especially for shop lighting, as they give a whiter light.
The arrangement most suitable for the photometry and testing ofincandescent lamps is a gallery or room large enough to be occupied by several workers, the walls being painted dead black.
Variations of pressure in the electric supply exercise a prejudicial effect upon the light-giving qualities of incandescent lamps.
A cheap way of producing the effect is illustrated in Figure 203, which represents a metal cylinder, perforated as shown, inside of which there are a number of incandescent lamps colored to suit.
In nearly all electric signs used about theaters the letters are outlined by incandescent lamps.
The only kind of print you could read if there were no reflection would be the electric signs made out of incandescent lamps arranged to form letters.
Joseph Parker, the first church in the world to be lighted by incandescent lamps--indeed, so far as can be ascertained, the first church to be illuminated by electricity in any form.
The last few years have witnessed a remarkable advance in the manufacture of incandescent lamps in the substitution of metallic filaments for those of carbon.
The secondary coils K K' may then be utilized for running groups of incandescent lamps P P'.
We will consider now the case of a steamship to be lighted by means of incandescent lamps.
Incandescent lamps can be either in series or parallel, and frequently the two systems are combined.
The basement of the boiler room, the pump room, the economizer floor, coal bunkers, and coal conveyers are lighted by incandescent lamps, while arc lamps are used around the coal tower and dock.
The basement also is lighted by incandescent lamps.
Incandescent lamps in buildings are usually connected in parallel, while arc lamps are usually connected in series.
How many watts are required to operate 120 incandescent lamps in parallel if each takes 0.
The volts pressure used to operate any number of incandescent lamps is altogether very much less than for a number of arc-lights.
There are many millions of incandescent lamps in use in the United States, but you will easily see that there could not be that number used if we had to depend on batteries to light them.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "incandescent lamps" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
