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Results 41 - 45 of 45
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7/1/1986 - Conference papersThis paper describes Bureau of Mines research and development of a new and innovative mine lighting system based on fiber optics technology.
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1/1/1980 - Open File ReportsThis report describes a study designed to evaluate a proposed modification in the cap lamp battery cord intended to reduce the incidence of snagging and catching of the cord.
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10/1/1978 - Conference papersThe analysis of a machine-luminaire configuration is well suited to computer analysis; the incident light levels can be calculated at the required set of points. This paper presents a description of the techniques involved in this simulation.
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7/14/1974 - Contract reportsThis report describes a circuit for driving a low-frequency loop antenna from a miners cap lamp battery. The circuit is a miniature waveform generator and is part of the electromagnetic (em) trapped miner location system. Two engineering models were des...
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7/1/1917 - NIOSH/USBM numbered publicationsThis bulletin describes the development of lamps that meet the requirements of the underground mining industry and discusses features and qualities, which in 1916, were being put into use by mine operators in the US at the rate of about 2400 a week.
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Content source: National Institute for Occupational Safety and Health, Mining Program