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Two-gauge pressure regulator connected to gas cylinder used for breathing gas supply. Pressure regulators are used with diving cylinders for Scuba diving. The tank may contain pressures in excess of 3,000 pounds per square inch (210 bar), which could cause a fatal barotrauma injury to a person breathing it directly. A demand controlled ...
Gas mark 1 is 275 degrees Fahrenheit (135 degrees Celsius). [citation needed] Oven temperatures increase by 25 °F (14 °C) for each gas mark step. Above Gas Mark 1, the scale markings increase by one for each step. Below Gas Mark 1, the scale markings halve at each step, each representing a decrease of 25 °F (14 °C).
Illinois Central No. 790 is a preserved 2-8-0 “Consolidation” steam locomotive, built by ALCO’s Cooke Works in 1903. In 1959, No. 790 was saved from scrap and purchased by Lou Keller, and he used it to pull excursion trains in Iowa .