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Bookwheel, from Agostino Ramelli's Le diverse et artificiose machine, 1588. The bookwheel (also written book wheel and sometimes called a reading wheel) is a type of rotating bookcase that allows one person to read multiple books in one location with ease.
Danner invented the John Danner Revolving Bookcase, a pivot and post revolving bookcase. He patented the bookcase on May 16, 1876. [1] [2] [3] His bookcase hangs suspended from a simple cast iron bearing which sits on top of an inner column or post. The revolving mechanism consists of two nesting cast iron cones that provide a precise pivot ...
As the shelves must still separate, the usual hinged doors opening sideways cannot be used; instead there is an "up and over" mechanism on each shelf, like an overhead door. The better quality cases use a metal scissor mechanism inside the shelves to ensure that the ends of the doors move in parallel without skewing and jamming.
In 2009 Bloomberg instigated a "Billy bookcase index", as an alternative to the Big Mac index, to compare relative price levels in different countries around the world. [8] [9] From 2011 to 2014 Billy was available as a 40 cm deep variant alongside the standard 28 cm deep versions. [10] In 2014, reinforced shelves and rounded edges were ...
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Desks, Bookcases, Shelves The Globe-Wernicke Co Ltd was an American furniture company based in Cincinnati, Ohio, United States. The company was founded in 1893, and specialized in the design and manufacture of military equipment.
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