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Blind portico
Brighton, Sussex
The front features of a portico applied to a wall.
Blind tracery
Tracery applied to a solid wall.
Block capital
A capital shaped like a cube with rounded convex lower parts, common in Norman architecture.
Interrupted by regular projecting blocks (blocking), as on a Gibbs surround.
Blocking course
Course of stones, or equivalent, on top of a cornice and crowning the wall.
Of concrete, with the impression of boards left by the temporary timber framing (formwork) used for casting.
(French): Panelling or other fitted interior woodwork with elaborate decoration of foliage, etc., used especially in the 17th- to 19th-century France.
Bolection moulding
A convex moulding covering the joint between two different planes, especially on panelling and fireplace surrounds of the late 17th and early 18th centuries.
West Walton, Norfolk.
The pattern of long sides (stretchers) and short ends (headers) produced by laying bricks in a particular way. English bond: with alternate courses of headers and stretchers exposed. English garden wall bond: with one course of headers for every three or more courses of stretchers. Flemish bond: with alternating stretchers and headers showing. Header bond: with only the headers exposed. Stack bond: non-structural brick facing in vertical (i.e. non-overlapping) tiers. Stretcher bond: with only the stretchers showing.
Knob or projection, e.g. at the intersection of ribs in a rib-vault.