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The firm was the successor to the firm of Owens, Ebert & Dyer (founded in 1845 by Job E. Owens) which went into receivership in 1876. [1]In 1882, George A. Rentschler, J. C. Hooven, Henry C. Sohn, George H. Helvey, and James E. Campbell merged the firm with the iron works of Sohn and Rentschler, [1] [2] and adopted the name Hooven, Owens, Rentschler Co.
Steam humidifiers, or warm mist humidifiers, are equipped with a heating element. A medicated inhalant can also be added to the steam vapor to help reduce cough. Vaporizers may be healthier than cool mist types of humidifiers because steam is less likely to convey mineral impurities or microorganisms from the standing water in the reservoir. [16]
The user guide engraved into a model of the Antikythera Mechanism. User guides have been found with ancient devices. One example is the Antikythera Mechanism, [1] a 2,000 year old Greek analogue computer that was found off the coast of the Greek island Antikythera in the year 1900. On the cover of this device are passages of text which describe ...
The development of heated humidified high flow started in 1999 with Vapotherm introducing the concept of high flow use with race horses. [2]High flow was approved by the U.S. Food and Drug Administration in the early 2000s and used as an alternative to positive airway pressure for treatment of apnea of prematurity in neonates. [3]
Justin Bieber is back to the buzz cut!. On Wednesday, Jan. 29, the singer, 30, was spotted in New York City rocking a brand new hairstyle. After sporting a longer look in 2024, Justin kicked off ...
In 1864, the first steam-driven nebulizer was invented in Germany. This inhaler, known as "Siegle's steam spray inhaler", used the Venturi principle to atomize liquid medication, and this was the very beginning of nebulizer therapy. The importance of droplet size was not yet understood, so the efficacy of this first device was unfortunately ...
Products using condensation technology have traditionally used a cold surface where humidity in warm air is condensed. Today, warm condensation technology, based on the concept of over-saturated steam inside a closed environment, [clarification needed] makes it possible to dehumidify air at sub-zero temperatures. This is a very energy-efficient ...
Vaporizer: steam or vapor from a boiler is blown directly into the air stream. Spray mist: water is diffused either by a nozzle or other mechanical means into fine droplets and carried by the air. Ultrasonic: A tray of fresh water in the airstream is excited by an ultrasonic device forming a fog or water mist.
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