A catenary arch is a continuous arch that describes a hyperbolic cosine. As opposed to a sprung or barrel arch the thrust of a catenary arch is mostly downwards, making it almost completely self supporting.
The anagama kiln is an ancient type of pottery kiln brought to Japan from China via Korea in the 5th century.
An adaptation of the coffin kiln that accomodates space and other small chambers necessary for the blowing and annealing of glass. Designed by Fred Herbst, Steve Gibbs and Lewis Olsen