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The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers.The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment ...
Athanor. In alchemy, an athanor (Arabic: التنور, at-tannūr) is a furnace used to provide a uniform and constant heat for alchemical digestion.Etymologically, it descends from a number of Arabic texts of the period of the Caliphate which use the term "al-tannoor" in talismanic alchemy, meaning a bread-oven, from which the design portrayed evidently descends.
In 2013, Napoleon invented the first 30,000 BTU gas furnace, which was described as the smallest BTU size of any gas furnace sold in the world. [8] Since then, the company has continued developing multiple patented inventions for fireplaces, grills, along with heating and cooling products.
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The furnace was rebuilt following the war, but was closed by 1902 when the land was sold to the Commonwealth of Pennsylvania. Caledonia State Park was opened in 1903. [2] The land was leased to the Chambersburg and Gettysburg Trolley Company for a number of years. It became a popular tourist destination for visitors to the Gettysburg ...
Originally a charcoal furnace, the old blast furnace at Coalbrookdale was leased in 1709 by Abraham Darby I, who used it to make coke pig iron and created the first long-term business to do so. The furnace remained in use until the 19th century and now forms part of the Ironbridge Gorge Museum Trust 's Museum of Iron .
Calculator is a software calculator released by Sabec for the Nintendo Switch, a video game console, in May 2021. It was widely criticized for its US$10 price point and platform, with critics noting that better-suited devices featured free software with equivalent functionality.