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A simple timber frame made of straight vertical and horizontal pieces with a common rafter roof without purlins. The term box frame is not well defined and has been used for any kind of framing (with the usual exception of cruck framing). The distinction presented here is that the roof load is carried by the exterior walls.
The main boxes are 18 + 1 ⁄ 8 in (460 mm) square in footprint: the standard brood boxes being 8 + 7 ⁄ 8 in (230 mm) tall, and the shallow super 5 + 7 ⁄ 8 in (150 mm) tall. The main walls are 3 ⁄ 4 in (19 mm) thick. BS National standard (brood) box, with frames shown through cutaway (two frames removed, to show detail)
Hebden Bridge signal box A number of signal boxes in England are on the Statutory List of Buildings of Special Architectural or Historic Interest. Signal boxes house the signalman and equipment that control the railway points and signals. Originally, railway signals were controlled from a hut on a platform at junctions. In the 1850s, a raised building with a glazed upper storey containing ...
A cruck or crook frame is a curved timber, one of a pair, which support the roof of a building, historically used in England and Wales. This type of timber framing consists of long, generally naturally curved, timber members that lean inwards and form the ridge of the roof.
In contrast to August von Berlepsch's frame-movable, side-opened hive (May 1852, Germany), Langstroth's hive was top-opened, as was the Bevan top-bar hive (1848, UK). These combined adaptations led to the Langstroth hive design being preferred by beekeepers over all others, and variations on his hive are used throughout the world.
A mechanical lever frame inside the signal box at Knockcroghery in Ireland Waterloo station A signalbox, LSWR (Howden, Boys' Book of Locomotives, 1907). Mechanical railway signalling installations rely on lever frames for their operation to interlock the signals, track locks [1] and points to allow the safe operation of trains in the area the signals control.
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Ledbury Signal Box in 2009 Looking at the North East corner Through the round window. Ledbury Signal Box is a typical Great Western Railway traditional lever frame signal box which remains in daily use at Ledbury Station, Herefordshire, England on the railway line from Worcester to Hereford
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