Plan, section, and elevation of the Tile Standard ... G. P. Stevens ... PD 1747 ... 1949
Isometric drawing of a terracotta pan tile ... G. P. Stevens ... PD 1748 ... 1949
Terracotta cover tile ... G. P. Stevens ... PD 1749 ... 1949
Isometric drawing of a roof with curved terracotta tiles: pan tiles not wedge shaped ... G. P. Stevens ... PD 1750 ... 1949
