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The size and proportions of a book depend on the size of the original full sheet. If a sheet 480 by 640 mm (19 by 25 in) is used to print a quarto, the resulting untrimmed pages, will be approximately half as large in each dimension: width 240 mm ( 9⁄ in) and height 320 mm ( 12⁄ in). An octavo page, oriented a quarter turn from the full ...
Aspect ratio. The aspect ratio of a geometric shape is the ratio of its sizes in different dimensions. For example, the aspect ratio of a rectangle is the ratio of its longer side to its shorter side—the ratio of width to height, [ 1][ 2] when the rectangle is oriented as a "landscape". The aspect ratio is most often expressed as two integer ...
The precise origins of the dimensions of US letter-size paper (8.5 × 11 in) are not known. The American Forest & Paper Association says that the standard US dimensions have their origin in the days of manual papermaking, the 11-inch length of the standard paper being about a quarter of "the average maximum stretch of an experienced vatman's arms". [2]
Book cover. Front cover of the St Cuthbert Gospel, c. 700; the original tooled red goatskin binding is the earliest surviving Western binding. A book cover is any protective covering used to bind together the pages of a book. Beyond the familiar distinction between hardcovers and paperbacks, there are further alternatives and additions, such as ...
Book series – sequence of books that are formally identified together as a group. Booklet – a small book or group of pages. Chapbook – an early type of cheap popular literature printed in early modern Europe in booklet format. Tract – booklets used for religious and political purposes.
Aspect ratio (aeronautics) An ASH 31 glider with very high aspect ratio (AR=33.5) and lift-to-drag ratio (L/D=56) In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord. It is equal to the square of the wingspan divided by the wing area. Thus, a long, narrow wing has a high aspect ratio, whereas a short, wide wing ...
An accent wall or feature wall is an interior wall whose design differs from that of the other walls in the room. The accent wall's color can simply be a different shade of the color of the other walls, or have a different design in terms of the color and material. [1] Accent wall offers a simple, stylish way to add colours to a room. [2]
ISO 216 is an international standard for paper sizes, used around the world except in North America and parts of Latin America. The standard defines the " A ", " B " and " C " series of paper sizes, which includes the A4, the most commonly available paper size worldwide. Two supplementary standards, ISO 217 and ISO 269, define related paper ...