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At the bottom of the hydrometer is a weighted bulb and at the top is a pan for small weights. To use the hydrometer, one first accurately determines its weight (W) while it is dry. Next, the device is placed in water, and a weight (w) sufficient to sink a marked point on the rod to the water-line is placed on the pan.
The hydrometer sinks deeper in low-density liquids such as kerosene, gasoline, and alcohol, and less deep in high-density liquids such as brine, milk, and acids. It is usual for hydrometers to be used with dense liquids to have the mark 1.000 (for water) near the top of the stem, and those for use with lighter liquids to have 1.000 near the bottom.
Companies would contract Waters and his five employees to build one-of-a-kind instruments for various purposes. Early products included a boiler feedwater flame photometer, a balloon hydrometer, a nerve gas detector, a lab refractometer and process control refractometers. While from its start the company had been self-financed, with proceeds ...
George Kent grew to have significant reach worldwide, including establishing a subsidiary in Malaysia in 1936. [5] Currently, as an independent organisation, the Malaysian company George Kent provide engineering and metering solutions in South-East Asia, [6] with a diverse set of activities including the integration of railways and the manufacture of water meters.
Pages in category "Companies based in the Columbus, Ohio metropolitan area" The following 124 pages are in this category, out of 124 total. This list may not reflect recent changes .
Worthington Enterprises, Inc. is a global diversified metals manufacturing company based in Columbus, Ohio.It is a steel processor and manufacturer of pressure vessels, such as propane, oxygen and helium tanks, hand torches, refrigerant and industrial cylinders, camping cylinders, exploration, recovery and production products for global energy markets; water system tanks for storage, treatment ...
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