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A typical volume of Bell System Practices from the 1970s. The Bell System Practices (BSPs) is a compilation of technical publications which describes the best methods of engineering, constructing, installing, and maintaining the telephone plant of the Bell System under direction of AT&T and Bell Telephone Laboratories. [1]
Honeywell Gent, formerly Gents' of Leicester, is a British manufacturer of life safety equipment based in Leicester, England.Established by John Thomas Gent, the company is thought to have started in 1872 however it could have been trading as early as the 1860s. [1]
A stretcher is a horizontal support element of a table, chair or other item of furniture; this structure is normally made of exposed wood and ties vertical elements of the piece together. There are numerous styles of the stretcher including circumferential, double and spindle design. [1] This term is sometimes referred to as a stretcher beam.
The bell itself weighs 66,000 pounds (30,000 kg); with clapper and supports. The total weight which swings when the bell is rung is 89,390 pounds (40,550 kg). The largest Bell of the People's Salvation Cathedral is the largest free-swinging church bell in the world, surpassing the Petersglocke of Cologne Cathedral.
The new Huey was designated UH-1D by the US Army and as the Model 205 by Bell. The enlarged cabin could also accommodate six stretchers, double that of the earlier models, making the "Delta" a good MEDEVAC aircraft. In place of the earlier model's sliding side doors with a single window, larger doors were fitted which had two windows, plus a ...
The company started in 1923 as "Bell Auto Parts," named for its location in Bell, California. [2] [3] Roy Richter began working for Bell Auto Parts in 1933. In 1945, he purchased the store for $1,000. [2] Richter produced his first race car helmets in 1954. The "Bell Helmet Company" was established as a division of Bell Auto Parts in 1956. [2]
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Rotary table (#20) rotates, along with its constituent parts, the kelly and kelly bushing, the drill string and the attached tools and bit. Shale shaker (#2) separates drill cuttings from the drilling fluid before it is pumped back down the wellbore. Stand (#16) is a section of 2 or 3 joints of drill pipe connected and stood upright in the ...