enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Lampshade - Wikipedia

   en.wikipedia.org/wiki/Lampshade

   Two modern electric lamps with lampshades. A lampshade is a fixture that envelops the light bulb on a lamp to redirect the light it emits. The shade is often affixed onto a light fixture to reduce the intensity of the light to observers, shield the light from a harsh environment, or for decoration by altering the color or creating shadows.

3. Banker's lamp - Wikipedia

   en.wikipedia.org/wiki/Banker's_Lamp

   The banker's lamp is a style of electric desk or table lamp often characterized by a brass stand, green glass lamp shade, and pull-chain switch. Such a lamp was first patented in the United States under the Emeralite brand name. These types of lamp are frequently used in libraries throughout the United States, which have made the lamp popular ...

4. Green eyeshade - Wikipedia

   en.wikipedia.org/wiki/Green_eyeshade

   Eyeshades. Green eyeshades or dealer's visors are a type of visor that were worn most often from the late 19th century to the mid-20th century by accountants, telegraphers, copy editors, and others engaged in vision-intensive, detail-oriented occupations to lessen eye strain [1] due to early incandescent lights and candles, which tended to be harsh (the classic banker's lamp had a green shade ...

5. Luminous flux - Wikipedia

   en.wikipedia.org/wiki/Luminous_flux

   Luminous flux (in lumens) is a measure of the total amount of light a lamp puts out. The luminous intensity (in candelas) is a measure of how bright the beam in a particular direction is. If a lamp has a 1 lumen bulb and the optics of the lamp are set up to focus the light evenly into a 1 steradian beam, then the beam would have a luminous ...

6. Fostoria Shade and Lamp Company - Wikipedia

   en.wikipedia.org/wiki/Fostoria_Shade_and_Lamp...

   The Fostoria Shade and Lamp Company was the largest manufacturer of glass lamps in the United States during the early 1890s. It began operations in Fostoria, Ohio , on May 17, 1890. The plant was run by Nicholas Kopp Jr., a former chemist at Hobbs, Brockunier and Company in West Virginia .

7. Luminous intensity - Wikipedia

   en.wikipedia.org/wiki/Luminous_intensity

   If a lamp has a 1 lumen bulb and the optics of the lamp are set up to focus the light evenly into a 1 steradian beam, then the beam would have a luminous intensity of 1 candela. If the optics were changed to concentrate the beam into 1/2 steradian then the source would have a luminous intensity of 2 candela.