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1 or 2 (chopper) 25/30 (blower) 8/8, 8/10, 8/12, 10/10, 10/12, 12/12 1967-1972 (square horn) 1972-1981 (round horn) Rotating 130 dB at 100 ft. Started off using a direct drive 25HP Roots blower with a square horn, redesigned to a belt drive 30 HP blower with round horn. All known recordings are 8/10 port ratio.
Long Retractable Sootblower utilizing steam as a cleaning medium. A sootblower is a device for removing the soot that is deposited on the internal furnace tubes of a boiler during combustion to prevent plugging of the gas passes and maintain boiler efficiency.
An Eaton M62 Roots-type supercharger is visible at the front of this Ecotec LSJ engine in a 2006 Saturn Ion Red Line.. The Roots-type blower is simple and widely used. It can be more effective than alternative superchargers at developing positive intake manifold pressure (i.e., above atmospheric pressure) at low engine speeds, making it a popular choice for passenger automobile applications.
Indonesian traditional brick stove, used in some rural areas An 18th-century Japanese merchant's kitchen with copper Kamado (Hezzui), Fukagawa Edo Museum. Early clay stoves that enclosed the fire completely were known from the Chinese Qin dynasty (221 BC – 206/207 BC), and a similar design known as kamado (かまど) appeared in the Kofun period (3rd–6th century) in Japan.
Intertitle before a 1927 short. Vitaphone Varieties is a series title (represented by a pennant logo on screen) used for all of Warner Bros.', earliest short film "talkies" of the 1920s, initially made using the Vitaphone sound on disc process before a switch to the sound-on-film format early in the 1930s.
It was founded in 1854 by the inventors Philander Higley Roots and Francis Marion Roots. It is notable for the Roots blower, a type of pump. [1] Today, Roots blowers are mainly used as air pumps in superchargers for internal combustion engines; they were first used in blast furnaces to blow combustion air to melt iron. [2]
Jacques Littlefield (November 21, 1949 – January 7, 2009) was the founder of the Military Vehicle Technology Foundation (MVTF), also called the Littlefield collection.
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