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Throughout its history Lufkin patented a variety of devices and manufacturing processes. US 149321 , Lufkin, Edward Taylor, "Improvement in Board Measures", issued April 7, 1874 US 272279 , Lufkin, Edward Taylor, "Headed Lumber Rule", issued February 13, 1883
Lufkin is a provider of rod lift products, automated control and optimization equipment and software for rod lift equipment to the oil and gas industry. It was an independent company until being acquired by GE Oil & Gas in July 2013, which later merged with Baker Hughes to create Baker Hughes , a GE Company (BHGE).
This plant also makes saws and measuring equipment. In 1986, Starrett took over the Evans Rule Company, the world's largest tape measure manufacturer, and in 1990 the company bought Sigma Optical, a British manufacturer of optical profile projectors. In 1998, Starrett expanded into China, opening a new plant in Suzhou. [8]
According to the text of his patent, Bang's tape measure was an improvement on other versions previously designed. [22] The spring tape measure has existed in the U.S. since Bang's patent in 1864, but its usage did not become very popular due to the difficulty in communication from one town to another and the expense of the tape measure.
Dial indicators typically measure ranges from 0.25 mm to 300 mm (0.015in to 12.0in), with graduations of 0.001 mm to 0.01 mm or 0.00005in to 0.001in (imperial/customary). Various names are used for indicators of different types and purposes, including dial gauge , clock , probe indicator , pointer , test indicator , dial test indicator , drop ...
The new company also moved to license its well-known and respected name to others. In the fall of 1963 Waltham signed a licensing agreement with the Samson Company of Chicago to manufacture transistor radios and tape recorders bearing the Waltham logo. [91] Production of the complicated inner watch movements was moved out of the United States.
Durability measures the length of a product’s life. When the product can be repaired, estimating durability is more complicated. As well The item will be used until it is no longer economical to operate it. This happens when the repair rate and the associated costs increase significantly.
Measurement of wow and flutter is carried out on audio tape machines, cassette recorders and players, and other analog recording and reproduction devices with rotary components (e.g. movie projectors, turntables (vinyl recording), etc.) This measurement quantifies the amount of 'frequency wobble' (caused by speed fluctuations) present in ...