Closer to home; the Loretto Chapel helix staircase, 1873, New Mexico. "...mostly out of wood and is held together by wooden pegs, with no glue, nails or other hardware used. The wood used is a type of spruce which is not native to New Mexico and not identified anywhere else in the world.
Closer to home; the Loretto Chapel helix staircase, 1873, New Mexico. "...mostly out of wood and is held together by wooden pegs, with no glue, nails or other hardware used. The wood used is a type of spruce which is not native to New Mexico and not identified anywhere else in the world.