Lesson plan
Jamb
In architecture, a jamb ( ), is the side-post or lining of a doorway or other aperture. The jambs of a window outside the frame are called . Small shafts to doors and windows with caps and bases are called ; when in the inside arris of the jamb of a window, they are sometimes called . A doorjamb, door jamb, or sometimes doorpost is the vertical portion of the door frame onto which a door is secured. The jamb bears the weight of the door through its hinges, and most types of door latches and deadbolts extend into a recess in the doorjamb when engaged, making the accuracy of the plumb (i.e. true vertical) and strength of the doorjambs vitally important to the overall operational durability and security of the door. The word jamb is also used to describe a wing of a building, perhaps just in Scottish architecture. John Adam added a 'jamb' to the old Leith Customs house in the Citadel of Leith in 1754–1755. In arches and vaults, the soffit is the curved inner surface of the arch or vault located above the impost, as opposed to the outer surface called the arch or vault crest.
Article summary
In architecture, a jamb ( ), is the side-post or lining of a doorway or other aperture. The jambs of a window outside the frame are called . Small shafts to doors and windows with caps and bases are called ; when in the inside arris of the jamb of a window, they are sometimes called . A doorjamb, door jamb, or sometimes doorpost is the vertical portion of the door frame onto which a door is secured. The jamb bears the weight of the door through its hinges, and most types of door latches and deadbolts extend into a recess in the doorjamb when engaged, making the accuracy of the plumb (i.e. true vertical) and strength of the doorjambs vitally important to the overall operational durability and security of the door. The word jamb is also used to describe a wing of a building, perhaps just in Scottish architecture. John Adam added a 'jamb' to the old Leith Customs house in the Citadel of Leith in 1754–1755. In arches and vaults, the soffit is the curved inner surface of the arch or vault located above the impost, as opposed to the outer surface called the arch or vault crest.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.