Light Its Use And Misuse a Primer of Illumination
Light Its Use And Misuse a Primer of Illumination
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There are at hand candles, oil lamps, open flame gas jets, upright and inverted mantle gas lamps, electric incandescent lamps of car- bon and of tungsten, electric arcs of half a dozen varieties, besides mercury- vapor tubes, acetylene lamps, as used on mo- tor-cars, and so on through a long list.
What do you wish to use a light for ? To read or write by, to bring into view the working parts of a machine, to match colors, to display goods, or pictures ; or merely to make a path- way safe and pl...ain ? Each case is to be studied by itself, and the effect is to be accomplished by such lamps, globes and re- flectors as, properly disposed, will insure ample lighting with- out glare, and yet with strict economy.
8 LIGHT: ITS USE AND MISUSE However good and suitable the lamp, it will be put at a dis- advantage unless the lighting fixture which carries it is designed to hold the lamp in the right position to enable one to best utilize the light which comes from it. Prettiness in a fixture is well enough ; but let the fixture be serviceable first ; then it may be also as pretty as you please.
What to read after Light Its Use And Misuse a Primer of Illumination?
You can find similar books in the "Read Also" column, or choose other free books by Illuminating Engineering Society to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
There are at hand candles, oil lamps, open flame gas jets, upright and inverted mantle gas lamps, electric incandescent lamps of car- bon and of tungsten, electric arcs of half a dozen varieties, besides mercury- vapor tubes, acetylene lamps, as used on mo- tor-cars, and so on through a long list.
What do you wish to use a light for ? To read or write by, to bring into view the working parts of a machine, to match colors, to display goods, or pictures ; or merely to make a path- way safe and pl...ain ? Each case is to be studied by itself, and the effect is to be accomplished by such lamps, globes and re- flectors as, properly disposed, will insure ample lighting with- out glare, and yet with strict economy.
8 LIGHT: ITS USE AND MISUSE However good and suitable the lamp, it will be put at a dis- advantage unless the lighting fixture which carries it is designed to hold the lamp in the right position to enable one to best utilize the light which comes from it. Prettiness in a fixture is well enough ; but let the fixture be serviceable first ; then it may be also as pretty as you please.
What to read after Light Its Use And Misuse a Primer of Illumination?
You can find similar books in the "Read Also" column, or choose other free books by Illuminating Engineering Society to read onlineMoreLess
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