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The Probert Encyclopaedia of Architecture

H POT

Picture of H Pot

The H pot was a style of British clay chimney pot so named because of its resemblance to a capital letter H. The H pot comprised a ingle tip terminated with a cross member to each end of which was a vertical pot open at both ends. The design being intended to reduce the possibility of wind blowing the smoke back down the chimney into the habitation.
Research H Pot

HA-HA

A ha-ha is a ditch serving the purpose of a hedge, but without interfering with the view.
Research Ha-Ha

HALF ROUND

Picture of Half Round

In architecture a half round is a moulding of semicircular section.
Research Half Round

HALF-TIMBERED

Picture of Half-Timbered

In architecture half-timbered refers to buildings constructed of a timber frame, having the spaces filled in with masonry. This style of decoration was extensively practised in Europe during the 16th and 17th centuries and in England during the reigns of Henry VIII and Elizabeth I and enjoyed a revival during the late 19th century.
Research Half-Timbered

HALFPACE

In architecture a halfpace is a platform of a staircase where the stair turns back in exactly the reverse direction of the lower flight.
Research Halfpace

HAMMEL

In Scotland, a hammel is a cow-shed or a hovel.
Research Hammel

HAMMER-BEAM

A hammer-beam is a short beam attached to the foot of a principal rafter in a roof, in the place of the tie-beam. Hammer-beams are used in pairs, and project from the wall, extending less than half-way across the apartments. The hammer-beam is generally supported by a rib rising up from a corbel below; and in its turn forms the support of another rib, constituting with that springing from the opposite hammer-beam an arch.
Research Hammer-Beam

HANGING GARDENS OF BABYLON

The Hanging Gardens of Babylon were four acres of gardens raised on a base supported by pillars, and towering in terraces one above another 100 meters in height. At a distance they looked like a vast pyramid covered with trees. The gardens were constructed by Nebuchadnezzar to gratify his wife who was bored with the flat plains of Babylon, and longed for something to remind her of her native Median hills.
Research Hanging Gardens of Babylon

HANGING RAIL

In architecture a hanging rail is a rail of a door or casement to which hinges are attached.
Research Hanging Rail

HANGING STILE

In architecture a hanging stile is a stile of a door to which hinges are secured or the upright of a window frame to which casements are hinged, or in which the pulleys for sash windows are fastened.
Research Hanging Stile

HANGING-BUTTRESS

In architecture, a hanging-buttress is a buttress supported on a corbel.
Research Hanging-Buttress

HANSE

In architecture a hanse is a part of an elliptical or many-cantered arch which has the shorter radius and immediately adjoins the impost.
Research Hanse

HARD FINISH

In architecture a hard finish is a smooth finishing coat of hard fine plaster applied to the surface of rough plastering.
Research Hard Finish

HARDBOARD

Hardboard is a type of building board composed of wood pulp, wood fibre or other vegetable fibre mixed with fillers and densely compacted under pressure/ Hardboard is used for lining walls and ceilings, and also for shop fitting and the erection of exhibition stands.
Research Hardboard

HARMONY

In decorating, harmony refers to a scheme or colour combination which presents a pleasing appearance because of its use of colours which are close to one another on the colour circle and have been used in their proper tonal order.
Research Harmony

HAUNCHES OF AN ARCH

In architecture the haunches of an arch are the parts on each side of the crown of an arch. Each haunch may be considered as from one half to two thirds of the half arch.
Research Haunches of an Arch

HAYMARKET THEATRE

The Haymarket Theatre is one of the principal theatres of London. It was built in 1702, opened in 1720, made a theatre royal, and rebuilt in 1767, when it was under the management of Foote. In 1821 it was again rebuilt under Nash.
Research Haymarket Theatre

HEADER

In architecture a header is a brick or stone laid with its shorter face or head in the surface of the wall.

In framing, a header is the piece of timber fitted between two trimmers, and supported by them, and carrying the ends of the tailpieces.
Research Header

HEADING COURSE

In architecture a heading course is a course consisting only of headers.
Research Heading Course

HEADWAY

In architecture a headway is a clear space under an arch, girder, or the like, sufficient to allow easy passing underneath.
Research Headway

HECATOMPEDON

Hecatompedon was a name given to the old Parthenon at Athens probably because the width across the stylobate measured 100 Greek feet.
Research Hecatompedon

HEEL

In architecture a heel is the lower end of a timber in a frame, as a post or rafter. In the United States the term specifically refers to the obtuse angle of the lower end of a rafter set sloping.
Research Heel

HELIX

In architecture a helix is a caulicole or little volute under the abacus of the Corinthian capital.
Research Helix

HEMIGLYPH

In architecture a hemiglyph is a half channel or groove in the edge of the triglyph in the Doric order.
Research Hemiglyph

HEXASTYLE

In architecture hexastyle describes a structure - normally a portico or temple - as having six columns in front.
Research Hexastyle

HICK-JOINT

In masonry, a hick-joint is a species of pointing in which mortar is inserted between the courses and joints of a wall, and made truly level or smooth with the surface.
Research Hick-Joint

HIP

In architecture a hip is the external angle formed by the meeting of two sloping sides or skirts of a roof, which have their wall plates running in different directions.
Research Hip

HIP KNOB

In architecture a hip knob is a finial, ball, or other ornament at the intersection of the hip rafters and the ridge.
Research Hip Knob

HIP MOULDING

In architecture a hip moulding is a moulding on the hip of a roof, covering the hip joint of the slating or other roofing.
Research Hip Moulding

HIP RAFTER

In architecture a hip rafter is a rafter extending from the wall plate to the ridge in the angle of a hip roof.
Research Hip Rafter

HIP ROOF

Picture of Hip Roof

In architecture a hip roof is a roof having sloping ends and sloping sides.
Research Hip Roof

HIP TILE

In architecture a hip tile is a tile made to cover the hip of a roof.
Research Hip Tile

HIPPODROME

Hippodrome was the Greek name for the public place where the horse and chariot races were held. In Byzantine times the hippodrome at Constantinople (Istanbul) acquired great renown, and factions originating in the hippodrome caused perpetual confusion in all departments of the public service. The name is sometimes applied to a modern circus.
Research Hippodrome

HOARDING

In architecture a hoarding is a screen of boards enclosing a house and materials while builders are at work.
Research Hoarding

HOARSTONE

A hoarstone is a stone marking out the boundary of an estate.
Research Hoarstone

HOB

A hob was formerly a chimney-corner used for keeping items warm, particularly beer.
Research Hob

HOGBACK

In architecture a hogback is an upward curve or very obtuse angle in the upper surface of any member, as of a timber laid horizontally. It is the opposite of a camber.
Research Hogback

HOLLOW NEWEL

In architecture a hollow newel is an opening in the centre of a winding staircase in place of a newel post, the stairs being supported by the wall. The term is also used to describe the string piece or rail winding around the well of such a staircase.
Research Hollow Newel

HOOD MOULDING

In architecture a hood moulding is a projecting moulding over the head of an arch, forming the outermost member of the archivolt.
Research Hood Moulding

HORNED CAN

Picture of Horned Can

The horned can is a Scottish, plain, clay chimney pot comprising a fairly straight cylinder with a thickened base and downwards facing flues or horns around the body to increase draw and reduce down draught.
Research Horned Can

HOTHOUSE

A hothouse is a building for the cultivation of plants too delicate to grow in the open air. It is built chiefly of glass, and resembles a greenhouse in its structure and arrangements, except that artificial heat is kept up all the year round. Some are heated by steam, others by hot water in tubes, and others by the introduction of hot air.
Research Hothouse

HOUSE

A house is a building for human habitation.
Research House

HOUSING

In architecture a housing is a space taken out of one solid, to admit the insertion of part of another, as the end of one timber in the side of another. The term also describes a niche for a statue.
Research Housing

HUMPBACK BRIDGE

A humpback bridge (formerly known as a crumpbacked bridge) is an arched road bridge having a sharp incline and decline and usually a narrow roadway.
Research Humpback Bridge

HYPERTHYRION

In architecture a hyperthyrion is that part of the architrave which is over a door or window.
Research Hyperthyrion

HYPOCAUST

In ancient Roman baths, rooms, etc, a hypocaust was an arched chamber in which a fire was kindled for the purpose of giving heat to the rooms above it. The heat was distributed by means of tubes of earthenware and hollow passages under the floor, the heat rising through the floor and heating the room above, hence its popular name of under-floor heating.
Research Hypocaust

HYPOSTYLE

In architecture the term hypostyle is applied to something resting upon columns or constructed by means of columns. The term is especially applied to the great hall at Karnak.
Research Hypostyle

 
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The Probert Encyclopaedia was designed, edited and programed by Matt and Leela Probert

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