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51Ford Crown Victoria — 1998 2002 Ford Crown Victoria LX Manufacturer Ford Motor Company Production 1955–1956 1991–2011 …
52Nikon D2H — Type Digital single lens reflex camera Sensor 23.3 mm × 15.5 mm JFET LBCAST; 4.26 million total pixels, 1.5× Crop factor Nikon DX format …
53Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …
54Critical band — The term critical band, introduced by Harvey Fletcher in the 1940s, referred to the frequency bandwidth of the then loosely defined auditory filter. Psychophysiologically, beating and auditory roughness sensations can be linked to the inability… …
55Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
56Redshift — This article is about the astronomical phenomenon. For other uses, see Redshift (disambiguation). Physical cosmology …
57Sound reinforcement system — A sound reinforcement system is an arrangement of microphones, electronic signal processors, amplifiers, and loudspeakers that makes live or pre recorded sounds usually music or speech louder, or that distributes the sound to a larger or more… …
58Critical bands — The term critical band, introduced by Harvey Fletcher in the 1940s, referred to the frequency bandwidth of the then loosely defined auditory filter. Since Georg von Békésy’s studies (1960), the term also refers literally to the specific area on… …
59Comparison of web browsers — September 2011, web browser usage share. Source: Median values from summary table …
60Monadnock Building — U.S. National Register of Historic Places U.S. National Historic Landmark District Contributing Property …
