Term applied to art glass produced by the historical mouth-blown cylinder method. The craftsman blows a glass cylinder which is annealed and cooled. The cylinder is then scored lengthwise, separated, re-heated and folded out into a flat sheet. Common characteristics include attractive linear striations and a very pristine surface. The textural striations are mechanically applied.
Quality is excellent and cost is less than full antique.
The linear striations are scribed into the hot glass surface. Quality is excellent and cost is considerably less than full antique. A Spectrum exclusive. The finished item takes the shape of the mold. Transmitted light is refracted and a prism-like effect results.