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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.
Leave a warm, damp cloth on top of the spot and let it sit for 30 minutes. Then try to wipe the spot clean. If the spot is really stubborn, add a few drops of distilled white vinegar to the baking ...
A lightbulb socket, lightbulb holder, light socket, lamp socket or lamp holder is a device which mechanically supports and provides electrical connections for a compatible electric lamp base. [1] Sockets allow lamps to be safely and conveniently replaced (re-lamping).
The May 25, 1892, edition of Crockery & Glass Journal mentioned strong demand for the company's night lamps, and mentioned a new Santa Claus lamp that is "neat and novel". [59] In the November 3, 1892 edition of the same journal the company's novelties were described as having strong demand, and the Santa Claus lamp was an "emphatic hit". [ 60 ]
A British version of the banker's lamp was filed for a patent in 1929, which, instead of a glass shade, has a solid brass shade or reflector. In addition, the positions of both the pedestal and the shade are adjustable. [3] Examples are commonly seen on the secondhand market.
Flat-wick lamps have the lowest light output, center-draft round-wick lamps have 3–4 times the output of flat-wick lamps, and pressurized lamps have higher output yet; the range is from 8 to 100 lumens. A kerosene lamp producing 37 lumens for 4 hours per day for a month (120 hours) consumes about 3 litres (6.3 US pt; 5.3 imp pt) of kerosene.
In the U.S., the Energy Independence and Security Act of 2007 requirement for greater energy efficiency only applies to the medium Edison screw, all other being considered "specialty" lamps. [26] Diazed fuses DII uses the same E27 thread as standard 230 V lamps, but have a longer body and cannot be screwed into a lamp holder (socket). A lamp ...
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