Oak Bookcase with Barley Twist Columns

• Column - An architectural feature sometimes used for decorative effect and sometimes as part of the supporting construction. Columns should generally taper slightly towards the top. They may be plain or decorated with carving, fluting or reeding. Columns may be fully rounded or, more commonly, half-rounded and attached with glue, screws or pins to the outer stiles of doors, or the facing uprights on cabinets and bureaux.
• Oak - Native to Europe and England, oak has been used for joinery, furniture and building since the beginning of the medieval civilisation. It is a pale yellow in colour when freshly cut and darkens with age to a mid brown colour.
  
  Oak as a furniture timber was superceded by walnut in the 17th century, and in the 18th century by mahogany,
  
  Semi-fossilised bog oak is black in colour, and is found in peat bogs where the trees have fallen and been preserved from decay by the bog. It is used for jewellery and small carved trinkets.
  
  Pollard oak is taken from an oak that has been regularly pollarded, that is the upper branches have been removed at the top of the trunk, result that new branches would appear, and over time the top would become ball-like. . When harvested and sawn, the timber displays a continuous surface of knotty circles. The timber was scarce and expensive and was used in more expensive pieces of furniture in the Regency and Victorian periods.
• Barley Twist - The leg, and frequently other uprights such as columns, chair frames, spindles and stretchers, are turned in fairly wide and deep spirals, usually slightly rounded. Also known as the 'Jacobean twist' and common on the dark stained Jacobean Revival furniture of the 1930s and 40s.
  
  As a rule, the twists on opposite uprights should move in a contrary direction. Thus, if the spiral on a right side is clockwise, that on the left side should move in a counter-clockwise direction.
  
  This is also true of rope-twist or cable-twist turning, a nautical term that came into fashion after Nelson's victories over the French fleet. The essential difference is that with rope twists, the spirals are more finely turned on the lathe and placed closer together, than they are with barley-sugar turnings.
• Plinth - The square or rectangular base of a piece of cabinet furniture, often ornamented with moulding. The plinth may be separate, as in some wardrobes or presses, and act as the support for the carcase. In a false plinth, the moulded boards may be attached directly to the piece. Furniture with a plinth base usually does not have separate feet. The term derives from architecture where it denotes the base of a column or statue.
• Veneers - Veneers are thin sheets of well-figured timber that are glued under pressure to the surface of a cheaper timber for decorative effect, and then used in the making of carcase furniture.
  
  Early veneers were saw-cut so were relatively thick, (up to 2 mm) but is was realised that saw cutting was wasteful, as timber to the equivilent of the thickness of the saw was lot on each cut.
  
  A more efficient method was devised to slice the timber, either horizontally with a knife, or in a rotary lathe.
  
  Flame veneer, commonly found in mahogany or cedar furniture, is cut from the junction of the branches and main trunk. So-called fiddleback veneers, where the grain is crossed by a series of pronounced darker lines, is usually cut from the outer sections of the tree trunk.
  
  During the 17th and 18th centuries, and in much of the walnut marquetry furniture made during the latter part of the 19th century, the veneer was laid in quarters, each of the same grain, so that one half of the surface was the mirror image of the other.
  
  The use of veneer allows many other decorative effects to be employed, including stringing, feather banding, cross banding, and inlaid decorative panels in the piece. The carcase over which veneer is laid is usually of cheaper timber such as pine, oak or, sometimes in Australia during the first half of the 19th century, red cedar.
  
  The important thing to remember about veneers is that prior to about 1850 they were cut by hand, and were consequently quite thick - ranging up to about 2mm deep.
  
  From the mid-19th century veneers were cut by machines and were almost wafer-thin. This is a critical point when trying to judge the approximate age of veneered furniture.

This item has been included into following indexes:

• bookcases, material - oak 213