Ads
related to: lamp shades 20 inch diameter cardboard tube
Search results
Results from the WOW.Com Content Network
MR lamps are designated by symbols such as MR16 where the diameter is represented by numerals indicating units of eighths of an inch. Common sizes for general lighting are MR11 ( 11 ⁄ 8 inches, 35 mm) and MR16 ( 16 ⁄ 8 inches, 51 mm), with MR8 ( 8 ⁄ 8 inch, 25 mm) and MR20 ( 20 ⁄ 8 inches, 64 mm) used in specialty applications.
A lamp shade's surfaces have varying proximity to the light bulb or light source itself, depending on the size and shape of the shade. With larger shades this is less of a problem, since the shade provides an ample funnel for the movement of air up through the shade, whereby heat from the bulb leaves the top of the shade through the opening.
The lamp-foot was made from a human foot and shinbone; on the shade one saw tattoos and even nipples. On the occasion of the birthday party of Koch [August 1941] he was tasked by the camp doctor Hoven to bring the lamp to the Kochs' villa. This he did. One of the party guests told him later that the presentation of the lamp had been a huge success.
The size of a round PAR lamp is expressed as the nominal diameter of the mouth of the reflector, in eighths of an inch—so the approximate nominal lamp bell diameter in inches can be found by dividing the PAR size by 8. A PAR56, for example, is 56 eighths of an inch (7 inches) in diameter; a PAR36 is 36 eighths (4.5 inches) in diameter, and so on.
Fluorescent tube diameter designation comparison Designation Tube diameter Extra (in) (mm) Socket Notes T2 1 ⁄ 4 approx. 7 WP4.5×8.5d Osram's Fluorescent Miniature (FM) tubes; Sylvania Luxline Slim T2 Linear; T4 1 ⁄ 2: 12.7 G5 bi-pin: Slim lamps. Power ratings and lengths not standardized (and not the same) between different manufacturers ...
The length (sometimes also referred to as "height") of any two-ended cylindrical bulb must be specified separately from its form factor code, usually in millimeters, as must the lamp's voltage and wattage— hence, T3 120 V 150 W 118 mm means a double-ended tube-shaped bulb with a diameter of 9.5 mm (3 ⁄ 8 in) that operates at 120 V and is ...
Ads
related to: lamp shades 20 inch diameter cardboard tube