Illustrated Architecture Dictionary
Terra cotta is a type of ceramic.
Ceramic Subway Tile
Ceiling Guastavino tiles ... Wall subway tiles ... Source: Library of Congress
It might just be the hardest-working wall covering in America. From the moment that ceramic subway tiles made their debut in New York City's subterranean train stations in the early 1900s, they captured the public's imagination and quickly moved into the bathrooms and kitchens of prewar houses for both practical and aesthetic reasons.
Easy to clean, stain resistant, and light reflective, the 3-by-6-inch glazed white rectangles epitomized what those rooms could and should be: sanitary.
- This Old House (online March 2018)
Examples from Buffalo architecture:
Examples outside of buffalo:
- Illustration above: Hewitt House/Inn Buffalo
- Metro Rail Stations: Delavan/Canisius College Station
- Pomeroy House Hexagonal bathroom floor tiles