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A lamp harp is the component of a lamp to which the lamp shade is attached. It typically comes in two separate parts, a saddle which is fastened under the lamp socket, and the harp itself which consist of a lightweight frame attached to the saddle at its lower end and extending upwards to a point above the bulb. At the top of the harp is a ...
Kinnor (Hebrew: כִּנּוֹר kīnnōr) is an ancient Israelite musical instrument in the yoke lutes family, the first one to be mentioned in the Hebrew Bible.. Its exact identification is unclear, but in the modern day it is generally translated as "harp" or "lyre", [2]: 440 and associated with a type of lyre depicted in Israelite imagery, particularly the Bar Kokhba coins.
In the Hornbostel-Sachs classification system, frame harps are designated as '322.2'. 322.2: Instrument has a pillar (frame harps) Pages in category "Frame harps"
The lamp housing is a metal or plastic container that serves as a body for the entire instrument and prevents light from spilling in unwanted directions. It comprises all of the exterior of the fixture except for the lens or opening. The housing may be designed with specific elements that help reduce heat and increase the efficiency of a lamp.
If the first digit on a lamp says 8, then the CRI of that lamp will be approximately 85. The last two digits indicate the color temperature of the lamp in kelvins (K). For example, if the last two digits on a lamp say 41, that lamp's color temperature will be 4100 K, which is a common tri-phosphor cool white fluorescent lamp.
Other sizes with a data sheet in IEC 60064 are A50, A55, A67, A68, A71, A75, and A80. Another common A-series light bulb type is the A15 bulb which is commonly used in the US for appliances and ceiling fans. The A15 bulb is 15 ⁄ 8 in (1 + 7 ⁄ 8 in; 48 mm) wide at its widest point and 3.39 inches tall.