19th-century concrete building designated

New York and Long Island Coignet Stone Company building in Gowanus, Brooklyn. Photo: LPC.

1872 Brooklyn building designated unanimously. Landmarks designated the New York and Long Island Coignet Stone Company Building at 360 Third Avenue in Brooklyn, the city’s earliest known concrete structure. Designed by William Field and Son, the 1872 building was meant to showcase the possibilities of concrete. Francois Coignet, the company’s founder, was an early proponent of concrete as an alternative to … <Read More>