The BOAC building in Glasgow was built for the British Overseas Airways Corporation in Buchanan Street, Glasgow, and was completed in 1970. A five-story steel-framed office block, the upper floors are clad in copper, formed of sleek hexagonal openings around windows arranged in a gridiron. Although the facade's rhythm and proportions are in keeping with Buchanan Street’s array of finely crafted mercantile facades, the building also reads as quietly stark - its language of geometrically folded sheets of copper speaks more of the machine age that followed industrialization. Stonemasonry and handicraft are replaced with precise, modular systems and new kinds [...]